WO2014180259A1 - 一种车载充电设备与服务网络交互的方法及相应设备 - Google Patents

一种车载充电设备与服务网络交互的方法及相应设备 Download PDF

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Publication number
WO2014180259A1
WO2014180259A1 PCT/CN2014/076086 CN2014076086W WO2014180259A1 WO 2014180259 A1 WO2014180259 A1 WO 2014180259A1 CN 2014076086 W CN2014076086 W CN 2014076086W WO 2014180259 A1 WO2014180259 A1 WO 2014180259A1
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WIPO (PCT)
Prior art keywords
charging
authentication
vehicle charging
wireless
charging device
Prior art date
Application number
PCT/CN2014/076086
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English (en)
French (fr)
Inventor
朱进国
赵勇
刘俊强
朱李
Original Assignee
中兴通讯股份有限公司
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Publication of WO2014180259A1 publication Critical patent/WO2014180259A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • 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
    • B60L53/12—Inductive 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/305—Communication interfaces
    • 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
    • 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
    • B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • 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
    • B60L53/67—Controlling two or more charging stations
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H04W12/069—Authentication using certificates or pre-shared keys
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • 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
    • Y02T90/14—Plug-in 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
    • 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

Definitions

  • the present invention relates to a wireless charging technology, and more particularly to a method and a corresponding device for interacting with a service network of an in-vehicle charging device and a charging station in an electric vehicle.
  • the electric vehicle is powered by the vehicle power supply and drives the wheels with a motor.
  • Electric vehicles are widely optimistic due to their advantages such as energy saving, environmental protection and low noise.
  • the development of electric vehicles still faces many technical problems.
  • the development of charging technology and the deployment of charging stations are important factors.
  • Battery charging technology is divided into wired charging and wireless charging.
  • the operation mode is similar to that of the existing gas station, and it needs to be manually operated.
  • the disadvantages of this method are obvious.
  • the charging port is under high voltage and high current impact. Easy to fire, causing the device to age; Charging interface parts are prone to dust, rain, smoke, soot, etc. Monitoring and maintenance troubles; From the daily experience, the damage rate of high-power sockets is very high, and the sockets of charging stations need to be plugged and unplugged frequently. The problem will be more serious.
  • the wireless charging technology is a technology that transfers electric energy in the air between the charger and the device by electromagnetic induction or magnetic resonance technology, so that the current flows to charge the battery.
  • Such a wireless charging method is effectively applied to a portable communication device requiring a large-capacity battery, an electric vehicle, etc., and since the connection point is buried in the ground, there is almost no risk of electric leakage, and the problem of poor connection in the wired charging method can be prevented.
  • Wireless charging can be unattended, no need to do it, fully automatic operation, safe and reliable; can achieve common charge, improve battery life and vehicle value after long-term use; medium power charging, low pressure on the grid, convenient parking
  • the charging device is widely installed in the field and garage.
  • wireless charging core technology has become increasingly mature, wireless charging efficiency can be more than 90%, wireless charging power can reach 30kw, wireless charging distance can reach meters.
  • wireless charging efficiency can be more than 90%
  • wireless charging power can reach 30kw
  • wireless charging distance can reach meters.
  • the technical problem to be solved by the present invention is to provide a method and a corresponding device for interacting with an in-vehicle charging device and a service network, thereby improving the security of wireless charging and preventing theft of electricity.
  • the present invention provides a method for interacting with a service network, which is applied to an in-vehicle charging device equipped with a user identification card, including:
  • the method further includes:
  • the user authentication information is sent to the service network for the service network to re-authenticate the user.
  • the device identifier of the in-vehicle charging device is also sent to the service network, or the device identifier and device parameters of the in-vehicle charging device are also sent to the service network.
  • the device parameters include device parameters required by the service network to select a matching wireless charging stub for the in-vehicle charging device.
  • the charging request is sent to the service network by using the currently connected first wireless charging station, and the temporary user identifier is carried;
  • the charging package information sent by the service network to the in-vehicle charging device after the authentication is passed is received;
  • the charging package information is displayed to the user, and the charging package selected by the user is sent to the service network.
  • the present invention also provides a method for interacting with an in-vehicle charging device, which is applied to a device manager in a charging station service network, including:
  • the in-vehicle charging device is assigned a matching wireless charging post, and the information of the selected wireless charging post is transmitted to the in-vehicle charging device.
  • the method further includes:
  • the method further includes: receiving a device identifier sent by the in-vehicle charging device, authenticating the in-vehicle charging device locally according to the device identifier, or Sending the device identifier to the authentication center, and receiving an authentication result of the in-vehicle charging device by the authentication center;
  • the in-vehicle charging device is further assigned a matching wireless charging post.
  • the matching the wireless charging pile for the in-vehicle charging device comprises: selecting one or more wireless charging piles that are matched and unoccupied for the in-vehicle charging device according to the device parameters of the in-vehicle charging device, The device parameters are sent by the in-vehicle charging device to the device manager through the wireless AP or sent by the certificate authority to the device manager; or Receiving a wireless charging station list that is sent by the certification center and matching the in-vehicle charging device, and selecting one or more unoccupied wireless charging stations from the wireless charging station list;
  • the information of the transmitted wireless charging stub includes one or more of a user-readable wireless charging post identifier, location information of the wireless charging post, and information on whether it is occupied.
  • the authentication is passed, assigning a temporary user identifier to the in-vehicle charging device, and transmitting the temporary user identifier to the in-vehicle charging device;
  • the charging request carries the temporary user identifier, determining whether the in-vehicle charging device is compatible with the first wireless charging station, and transmitting a determination result to the in-vehicle charging device, and if the determination result is compatible, notifying the The first wireless charging post charges the in-vehicle charging device.
  • the charging package information is further sent to the in-vehicle charging device, and the charging package selected by the user returned by the in-vehicle charging device is received, and the charging standard of charging is determined according to the charging package selected by the user.
  • the present invention provides an in-vehicle charging device, including a battery pack, a charging module, a control module, a wireless communication module, and a display module, and a slot for installing a user identification card, wherein: the control module includes:
  • the authentication unit is configured to: send, by the wireless communication module, a user identifier obtained from the user identification card to a service network of the charging station, where the service network authenticates the user;
  • the indicating unit is configured to: receive, by the wireless communication module, information of the wireless charging pile allocated by the service network to the in-vehicle charging device after the authentication is passed, and display information of the wireless charging pile through the display module.
  • the authentication unit is further configured to: send a device identifier of the in-vehicle charging device to the service network, or send a device identifier and a device parameter of the in-vehicle charging device, where the device parameter includes the service network-based
  • the onboard charging device selects the device parameters required for the matching wireless charging stub.
  • the charging control unit includes:
  • a first subunit configured to: receive, by the wireless communication module, the service network is authenticated Passing a temporary user ID assigned to the in-vehicle charging device and saving it;
  • a second subunit configured to: after the wireless communication module is configured to establish a wireless link with the first wireless charging station, send a charging request to the service network by using the wireless communication module, and carry the temporary user identifier;
  • the third subunit is configured to: receive a judgment result of whether the service network is compatible with the in-vehicle charging device and the first wireless charging post, and if the determination result is compatible, start a charging process; and the package selecting unit is set to: Receiving the charging package information sent by the service network to the in-vehicle charging device after the authentication is passed, displaying the charging package information to the user, and transmitting the charging package selected by the user to the service network.
  • the present invention further provides a device manager in a charging station service network, the service network further comprising a wireless charging stub and a wireless AP, the device manager comprising:
  • the authentication unit is configured to: receive, by the wireless AP, the user identifier obtained from the user identification card sent by the in-vehicle charging device, and authenticate the user locally or to the certification center, for example, the authentication is passed, and the allocation unit is activated;
  • the distribution unit is configured to: after activation, assign a matching wireless charging pile to the in-vehicle charging device, and send information of the selected wireless charging station to the in-vehicle charging device.
  • the authentication unit is further configured to: receive a device identifier sent by the in-vehicle charging device, locally authenticate the in-vehicle charging device according to the device identifier, or send the in-vehicle charging to the in-vehicle charging device
  • the device performs authentication, such as the authentication of the in-vehicle charging device and the user, and then activates the allocating unit.
  • the allocating unit allocates matching wireless charging piles to the in-vehicle charging device, including:
  • the information of the wireless charging pile sent by the allocating unit includes: a user-readable wireless charging station One or more of the location information of the wireless charging station and whether or not the information is occupied.
  • the allocating unit is further configured to: after the authentication unit passes the authentication, assign a temporary user identifier to the in-vehicle charging device, and send the temporary user identifier to the vehicle by using the wireless AP Charging device
  • the device manager further includes a charging verification unit, and the charging verification unit includes: a first subunit, configured to: receive, by the first wireless charging pile currently connected by the in-vehicle charging device, the sending by the in-vehicle charging device a charging request, if the temporary user identifier is carried in the charging request, the second subunit is activated;
  • a second subunit configured to: after activation, determine whether the in-vehicle charging device is compatible with the first wireless charging post, and send a determination result to the in-vehicle charging device, and if the determination result is compatible, notify the The first wireless charging station charges the in-vehicle charging device.
  • the device manager further includes a package confirmation unit, configured to: after the authentication unit passes the authentication, send the charging package information to the in-vehicle charging device, and receive the user-selected return by the in-vehicle charging device.
  • the charging package determines the charging standard according to the charging package selected by the user.
  • the above solution can improve the security of wireless charging, reduce the accident rate, prevent theft of electricity, and improve the management efficiency of wireless charging by authenticating the user and selecting matching compatible charging piles for the vehicle charging device.
  • the charging of the wireless charging pile connected to the in-vehicle charging device before charging can ensure the charging safety.
  • Figure 1 is a schematic diagram of the architecture of the network of the service network
  • FIG. 2 is a schematic flow chart of a method for interacting between an in-vehicle charging device and a service network according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic flow chart of one-side processing of a vehicle-mounted charging device according to Embodiment 1 of the present invention
  • FIG. 4 is a schematic flowchart of one-side processing of a device manager according to Embodiment 1 of the present invention
  • FIG. 5 is a vehicle charging device according to Embodiment 1 of the present invention; Schematic diagram of the structure;
  • FIG. 6 is a schematic structural diagram of a device manager in Embodiment 1 of the present invention
  • FIG. 7 is a schematic flow chart of a method for interacting between an in-vehicle charging device and a service network according to Embodiment 2 of the present invention.
  • the embodiment provides a method for interacting with a service network, which is applied to an in-vehicle charging device (herein referred to as an in-vehicle charging device that is wirelessly charged), and the service network includes all wireless charging stations and wireless APs in the wireless charging station (Access Point). ), device manager and other devices.
  • the service network system architecture of this embodiment includes:
  • the authentication center 1 has the user ID of all legal users of the operator and the corresponding authentication data.
  • the user ID and authentication data are consistent with the user ID and authentication data in the user ID card of the user.
  • the Certification Authority can also store and maintain device identification and device parameter information for legitimate in-vehicle charging devices.
  • the certification center may also have wireless charging pile related information such as wireless charging pile identification and related parameter information. After the wireless charging pile is powered on, the certification center may authenticate according to the saved information to ensure that the wireless charging pile is legal. Wireless charging pile.
  • the Certification Authority can also provide a list of wireless charging stations that match the region and the in-vehicle charging device based on the device identification of the in-vehicle charging device.
  • the vehicle charging device 2 includes a battery pack, a charging module, a control module, a wireless communication module, and a display module.
  • the in-vehicle charging device has the world's only device identification, which is distributed by the manufacturer of the device when it leaves the factory, and is fixed for life.
  • the in-vehicle charging device also has a slot in which a user identification card can be inserted.
  • the user identification card is assigned by the authentication center 1 to uniquely identify the user.
  • the user identification card may also store authentication data for the network to authenticate the user and/or the user to authenticate the network.
  • the user identification card is separated from the in-vehicle charging device so that one user identification card can be used in a plurality of in-vehicle charging devices, thereby achieving unified charging.
  • the device manager 3 and the device manager 3 control all the wireless charging piles, wireless APs and the like in the charging station, and store the device parameters of the wireless charging pile.
  • the device manager 3 can communicate with these devices using wireless communication technology, and can also use wired communication technology.
  • Device Manager 3 can also With the certification center 1, the certification of the vehicle charging device and the user is realized.
  • the device manager 3 can also provide a matching wireless charging station for the in-vehicle charging device for charging the in-vehicle charging device.
  • Wireless AP 4 has a wireless communication module for communication with the in-vehicle charging device on the electric car.
  • the communication module can use short-range wireless communication technologies such as WIFI, Bluetooth or Zigbee.
  • the in-vehicle charging device can establish a wireless link with the wireless AP through the wireless communication module on the wireless AP.
  • Wireless communication or wired communication can be used between the wireless AP and the device manager.
  • the wireless AP usually broadcasts a signal actively, and when the electric vehicle enters or exits the charging station, if a broadcast signal sent by the wireless AP is detected, a link establishment request is initiated to the wireless AP, and the wireless AP responds to the established link request.
  • Wireless APs can also be deployed with wireless charging stubs.
  • the wireless charging stub itself can also act as a wireless AP.
  • the wireless charging station 5 is used for wireless charging of the in-vehicle charging device 2.
  • the wireless charging station 5 has a unique identification within the device manager 3 and a user-readable wireless charging station identification that is displayed to the user.
  • the method for the in-vehicle charging device to interact with the service network in this embodiment includes:
  • Step 201 establishing a wireless link between the in-vehicle charging device and the wireless AP of the service network; when the electric vehicle enters the charging station, the in-vehicle charging device can detect the wireless AP active broadcast information, perform wireless signal detection, establish and wireless AP Wireless communication link between.
  • Step 202 The in-vehicle charging device sends a registration request to the wireless AP through a wireless link, where the registration request includes a user identifier acquired from the user identification card, a device identifier of the in-vehicle charging device, and a device parameter.
  • the device identification is assigned by the manufacturer of the in-vehicle charging device when the device is shipped from the factory, or by the manufacturer of the charging device in the in-vehicle charging device when the device is shipped from the factory.
  • Device identification can have a globally unique code that is fixed for life.
  • the device parameters include the parameters required to select a matching wireless charging station for the in-vehicle charging device, such as the model of the in-vehicle charging device, rated voltage, rated current, power, and so on.
  • Step 203 The wireless AP sends the registration request to the device manager.
  • Equipment Identity Equipment Identity
  • Step 205 After receiving the authentication request, the authentication center authenticates the user and the in-vehicle charging device according to the user identifier and the device identifier, and if the authentication passes, sends an authentication request to the device manager, and carries the generated random number and network authentication.
  • the authentication center After receiving the authentication request, the authentication center authenticates the user and the in-vehicle charging device according to the user identifier and the device identifier, and if the authentication passes, sends an authentication request to the device manager, and carries the generated random number and network authentication.
  • the user may be authenticated by the authentication center to the database to find whether the user identifier exists in the saved user identifier. If not, the authentication fails. If yes, the authentication succeeds, and then the user passes the authentication.
  • the identifier finds the authentication data of the user and the generated random number, generates a network authentication code by using the first algorithm, and sends the authentication request to the device manager as the network authentication information, and carries the generated random number and the network authentication code.
  • the authentication of the in-vehicle charging device may include: checking whether the device identification of the in-vehicle charging device exists in the device identification of the legal in-vehicle charging device in the database, and if the device is present, the device identification is legal, otherwise the device identification is considered illegal. , the authentication failed. After the vehicle charging device is stolen, the device identification of the stolen car charging device can be made illegal, and an alarm message can be sent when an illegal device identification is found.
  • Steps 206, 207 The device manager sends an authentication request to the in-vehicle charging device through the wireless AP;
  • Step 208 After receiving the authentication request of the authentication center, the in-vehicle charging device authenticates the network authentication information of the service network carried in the authentication request based on the authentication data in the user identification card and the random number carried in the authentication request. After the authentication is passed, generating user authentication information based on the authentication data and the random number, and transmitting the user authentication information to the service network;
  • the in-vehicle charging device may generate network authentication information according to the authentication data in the user identification card and the random number carried in the authentication request, and the network authentication information generated by the in-vehicle charging device and the authentication center The network authentication information is compared. If the two are consistent, the in-vehicle charging device successfully authenticates the network. If the two devices are inconsistent, the in-vehicle charging device considers the network to be illegal and the network authentication is unsuccessful.
  • the in-vehicle charging device After the authentication of the service network is passed, the in-vehicle charging device further determines the random number and the authentication number.
  • the user authentication information is generated by the second algorithm, and is sent to the service network to the authentication response, where the authentication response carries the user authentication information.
  • Steps 209, 210 After receiving the authentication response, the wireless AP sends the authentication response to the authentication center through the device manager.
  • Step 211 After receiving the authentication response, the authentication center authenticates the user authentication information carried in the authentication response based on the random number and the authentication data, and returns the authentication result to the device manager.
  • the authentication center may perform the authentication according to the authentication.
  • the random number and the authentication data corresponding to the user identifier saved by the authentication center generate a user authentication information by using the second algorithm.
  • the authentication center compares the user authentication information generated by the authentication center with the user authentication information carried in the authentication response. If the authentication center is successful, the authentication center passes the authentication, otherwise the authentication fails.
  • both the authentication center and the user identification card save the authentication data corresponding to the user, and the authentication data can be encrypted and saved to improve the security factor, and the in-vehicle charging device and the authentication center use the same algorithm.
  • Calculating network authentication information and user authentication information can implement one-way or two-way authentication between the user and the service network.
  • the certificate center may further return the device parameter of the in-vehicle charging device required for the device charging device to select the matching wireless charging pile according to the device identifier of the in-vehicle charging device when returning the authentication success response.
  • the device manager may further return the device parameter of the in-vehicle charging device required for the device charging device to select the matching wireless charging pile according to the device identifier of the in-vehicle charging device when returning the authentication success response.
  • Step 212 After receiving the authentication success response returned by the certification center, the device manager allocates a matching wireless charging pile to the vehicle charging device, and sends the information of the selected wireless charging pile to the vehicle charging device;
  • the wireless charging post information may include a user-readable wireless charging post identifier, location information of the wireless charging post, information on whether it is occupied, and the like.
  • the device manager allocates one or more wireless charging piles that match the in-vehicle charging device according to the device parameters of the in-vehicle charging device, wherein the device parameters of the in-vehicle charging device may be carried in the registration request. , can also be returned by the Certification Authority.
  • the device manager selects the matching wireless charging pile, it may also select a suitable one from the matched wireless charging pile according to the path of the vehicle charging device to the wireless charging pile and whether the wireless charging pile is occupied parameter. Part of the wireless charging pile for users to choose.
  • the certification center may also determine, according to the saved device parameters of the in-vehicle charging device and the wireless charging post, a list of wireless charging stations that match the in-vehicle charging device and send the device to the device manager, and the device manager may be based on the user's The screening rules such as location and occupancy of the wireless charging pile filter out part of the wireless charging pile to be sent to the in-vehicle charging device for the user to select, or directly to the in-vehicle charging device.
  • the device manager allocates a temporary user identifier for the in-vehicle charging device.
  • the temporary user identification can uniquely identify the user and the in-vehicle charging device, and the in-vehicle charging device can use the temporary user identification when subsequently transmitting data to the service network.
  • a temporary user ID may be provided with a field for uniquely identifying the device manager to which the temporary user ID is assigned, and thus the temporary user IDs assigned by different device managers are different.
  • an abnormal conflict can be avoided. For example, the in-vehicle charging device obtains the temporary user identifier from another device manager, and then accesses the device manager with the temporary user identifier, and the device manager can recognize the temporary identifier. it is invalid.
  • the device manager sends the power saving package information to the in-vehicle charging device to display to the user, and receives the charging plan selected by the user returned by the in-vehicle charging device.
  • the charging package information makes it easy for users to understand the charging billing standards and the combination of offers, simplifying the billing operation.
  • Steps 213, 214 The device manager sends a registration success response to the in-vehicle charging device through the access point AP;
  • the registration success response includes information of a suitable matching charging pile selected by the device manager for the in-vehicle charging device, such as a user-readable wireless charging post identifier, location information of the wireless charging post, and information on whether it is occupied or not. One or more. In this way, the user can find the corresponding charging post and charge according to the identification.
  • the temporary user identification will also be included in the registration success response.
  • the charging package information is provided for the in-vehicle charging device in step 212, the charging package information will also be included in the registration success response.
  • Step 215 The in-vehicle charging device receives a registration success response sent by the service network
  • the certificate authority directly returns a response to the authentication failure to the device manager.
  • the present invention does not limit the message name and the number of messages sent in the above process, and the registration request may also be referred to as an authentication request, and the registration response may also be referred to as an allocation response or the like.
  • the service network may first return an authentication response to the in-vehicle charging device.
  • the in-vehicle charging device issues an allocation request for the wireless charging stub, and after the management controller completes the allocation, returns the allocation response. Therefore, as long as the necessary information transmission can be completed, functions such as the above authentication and wireless charging stub distribution can be realized.
  • the authentication method between the user and the service network may differ from the above embodiment:
  • a digital certificate can be used to implement authentication.
  • the digital certificate is issued by an authoritative and impartial third-party agency certificate authority.
  • the digital certificate can contain a public key, information about the certification object, and the certificate authority (or certificate authority (CA)) that issued the digital certificate.
  • CA certificate authority
  • a digital certificate can be preset in the user identification card and sent to the service network by the in-vehicle charging device.
  • the device manager in the service network can authenticate the user by verifying the digital certificate, and can also query the certificate authorization center during the authentication process.
  • the managed certificate store is used to verify the authenticity and validity of the certificate.
  • the device manager can also preset a digital certificate and provide it to the in-vehicle charging device for authentication of the device manager.
  • the two-way authentication in this embodiment can be changed to the one-way authentication of the service network to the user.
  • the authentication center does not need to generate network authentication information, and only needs to generate a random number and send it to the in-vehicle charging device.
  • the charging device may generate the user authentication information and submit it to the certification center for authentication based on the random number and the authentication data in the user identification card.
  • a random number may be generated by the in-vehicle charging device, and user authentication information is generated according to the random number and the authentication data in the user identification card, the user identifier read from the user identification card, the user authentication information, and The random number is submitted to the authentication center of the service network, and the authentication center searches for the authentication data of the user according to the user identifier, and generates a user authentication information according to the authentication data and the random number according to the same algorithm, and the received and generated users are The authentication information is compared, that is, the authentication of the user can be completed.
  • the authentication center may also generate network authentication information based on the random number and the authentication data, and send it to the in-vehicle charging device to implement authentication of the service network.
  • the authentication of the user can also be performed based only on the user identification, and has the effect of improving the security of charging and preventing theft of electricity compared to the prior art.
  • the processing on the in-vehicle charging device side includes:
  • Step S301 establishing a wireless link between the in-vehicle charging device and the wireless AP of the service network;
  • Step S302 The in-vehicle charging device sends a registration request to the wireless AP through the wireless link, where the registration request includes the user identifier of the in-vehicle charging device, and the vehicle Device identification and equipment parameters of the charging device;
  • Step S303 After receiving the authentication request of the authentication center, the in-vehicle charging device authenticates the network authentication information of the service network carried in the authentication request based on the authentication data in the user identification card and the random number carried in the authentication request. After the authentication is passed, user authentication information is generated based on the authentication data and the random number, and sent to the service network.
  • Step S304 The in-vehicle charging device receives the registration success response sent by the service network, and selects the wireless charging pile to complete charging according to the wireless charging post information provided in the registration response.
  • Step S401 The device manager receives a registration request sent by the in-vehicle charging device through the wireless AP;
  • Step S402 After receiving the registration request of the in-vehicle charging device, the device manager sends an authentication request to the in-vehicle charging device to the authentication center, where the authentication request carries the user identifier, the device identifier, and the device parameter carried in the registration request.
  • Step S403 The device manager receives an authentication request sent by the authentication center, where the authentication request carries network authentication information, where the network authentication information is generated by the authentication center after initial authentication of the user identifier.
  • Step S404 The device manager sends the authentication request to the in-vehicle charging device through the wireless AP.
  • Step S405 The device manager receives the user authentication information returned by the in-vehicle charging device, where the user authentication information is after the in-vehicle charging device passes the authentication of the service network. Generated;
  • Step S406 The device manager receives the authentication success response returned by the authentication center.
  • Step S407 After receiving the authentication success response returned by the authentication center, the device manager allocates a matching wireless charging pile to the in-vehicle charging device, and sends the information of the selected wireless charging pile to the in-vehicle charging device;
  • the device manager may also assign a temporary user identifier to the in-vehicle charging device.
  • the device manager may further send the package information to the in-vehicle charging device and display the information to the user.
  • Step S408 The device manager sends a registration success response to the in-vehicle charging device through the wireless AP.
  • the temporary user identifier may be included in the registration success response; optionally, the charging success package information may be included in the registration success response.
  • the embodiment further provides an in-vehicle charging device 2, including a battery pack 21, a charging module 22, a control module 23, a wireless communication module 24, a display module 25, and an installation user identification card.
  • the authentication unit 231 is configured to send, by using a wireless communication module, a user identifier obtained from the user identification card to the service network of the charging station, for the service network to authenticate the user;
  • the indicating unit 232 is configured to receive, by the wireless communication module 24, information of the wireless charging station 5 allocated by the service network to the in-vehicle charging device 2 after the authentication is passed, and display the information of the wireless charging station 5 through the display module 25.
  • the authentication unit 231 is further configured to send the device identifier of the in-vehicle charging device 2 to the service network, or send the device identifier and device parameters of the in-vehicle charging device 2, and the device parameters include The service network selects the device parameters required for the matching wireless charging station 5 for the in-vehicle charging device 2.
  • control module 23 further includes a charging control unit 233.
  • the charging control unit includes: a first subunit, configured to receive, by the wireless communication module, a temporary user identifier allocated by the service network after the authentication is passed to the in-vehicle charging device, and save ;
  • a second subunit configured to send a charging request to the service network through the wireless communication module after the wireless communication module is configured to establish a wireless link with the first wireless charging module, and carry the temporary user identifier;
  • a third subunit configured to receive a judgment result of whether the service network is compatible with the first wireless charging station, and if the judgment result is compatible, start the charging process
  • control module 23 further includes a package selection unit 234, configured to receive charging package information sent by the service network to the in-vehicle charging device after the authentication is passed, display the charging package information to the user, and send the charging package selected by the user. Give the service network.
  • package selection unit 234 configured to receive charging package information sent by the service network to the in-vehicle charging device after the authentication is passed, display the charging package information to the user, and send the charging package selected by the user. Give the service network.
  • the embodiment further provides a device manager 3 in the charging station service network, where the service network includes a wireless charging station 5 and a wireless AP4, wherein the device manager 3 includes:
  • the authentication unit 31 is configured to receive, by the wireless AP4, the user identifier obtained from the user identification card sent by the in-vehicle charging device 5, and authenticate the user locally or to the authentication center 1, for example, the authentication is activated, and the allocation unit 32 is activated;
  • the distribution unit 32 is configured to, after activation, assign a matching wireless charging pile 5 to the in-vehicle charging device 2, and send information of the selected wireless charging station 5 to the in-vehicle charging device 2, and the wireless charging pile 5 sent by the distributing unit 32
  • the information includes one or more of a user readable wireless charging post identification, location information of the wireless charging post, and information whether or not it is occupied.
  • the distribution unit 32 assigns a matching wireless charging pile to the in-vehicle charging device 2 including:
  • the device parameters are transmitted by the in-vehicle charging device 2 to the device manager 3 via the wireless AP 4 or by the authentication center 1 is sent to the device manager 3;
  • the wireless charging station 5 list that is matched with the in-vehicle charging device 2 issued by the certificate center 1 is received, and one or more unoccupied wireless charging stations 5 are selected from the wireless charging station list.
  • the authentication unit 31 is further configured to receive the device identifier sent by the in-vehicle charging device 2, locally authenticate the in-vehicle charging device 2 according to the device identifier, or pass the authentication center 1 to authenticate the in-vehicle charging device 2, such as charging the vehicle. Both the device 2 and the user's authentication pass, and the allocation unit 32 is activated.
  • the allocating unit 32 is further configured to allocate a temporary user identifier to the in-vehicle charging device 2 after the authentication unit 31 passes the authentication, and transmit the temporary user identifier to the in-vehicle charging device 2 via the wireless AP 4.
  • the device manager 3 further includes a package confirmation unit 33, configured to send the charging package information to the in-vehicle charging device 2 after the authentication unit 31 passes the authentication, and receive the charging package selected by the in-vehicle charging device 2, according to the charging package selected by the in-vehicle charging device 2, according to The charging schedule selected by the user determines the charging standard for charging.
  • a package confirmation unit 33 configured to send the charging package information to the in-vehicle charging device 2 after the authentication unit 31 passes the authentication, and receive the charging package selected by the in-vehicle charging device 2, according to the charging package selected by the in-vehicle charging device 2, according to The charging schedule selected by the user determines the charging standard for charging.
  • the authentication and the wireless charging pile are allocated, and the user can obtain the identification information and location information of the allocated wireless charging pile, but the user may still find the wrong wireless charging pile. Since the voltage and current of charging are large, if the in-vehicle charging device is incompatible with the wireless charging pile, it is prone to danger. Therefore, in this embodiment, the user selects the wireless charging pile, the in-vehicle wireless device and the wireless charging pile when driving the electric vehicle. Good wireless link, when charging is ready, check the on-board charging device and the currently connected wireless charging post.
  • the in-vehicle wireless device establishes a wireless link with the first wireless charging stub, and the method for interacting with the service network includes:
  • Step S501 The electrical device sends a charging request to the device manager through the currently connected first wireless charging stub, and carries the previously assigned temporary user identifier.
  • the temporary user identification can also indicate that the in-vehicle charging device has completed the authentication process, and the device manager will not initiate the authentication and wireless charging stub distribution process after receiving the device.
  • the present invention is not limited to the composition of the temporary user identification, and any information that can function as the above identification can be used as the temporary user identification.
  • Step S502 The device manager receives the charging request, determines whether the first wireless charging pile is compatible with the in-vehicle charging device, and returns a charging response. If the temporary user identifier is carried in the charging request received by the device manager, it is determined whether the in-vehicle charging device is compatible with the first wireless charging station. The device manager may determine whether the device parameter of the in-vehicle charging device matches the first wireless charging post. If the device matches, the in-vehicle charging device is compatible with the first wireless charging post, otherwise the device parameter may be carried in the charging request or Find based on the temporary user ID. or
  • the device manager may also find the wireless charging pile allocated for the in-vehicle charging device according to the temporary user identification, determine whether the first wireless charging pile is one of the allocated wireless charging piles, and if so, determine the in-vehicle charging device and the first The wireless charging post is compatible, otherwise it is not compatible.
  • the device manager carries the information of the judgment result in the charging response, and if the judgment result is compatible, the first wireless charging pile is also notified to charge the in-vehicle charging device.
  • Step S503 The vehicle charger receives the charging response. If the judgment result is found to be compatible, the charging is completed according to the charging instruction.
  • the embodiment further provides an in-vehicle charging device 2, including a battery pack 21, a charging module 22, a control module 23, a wireless communication module 24, a display module 25, and an installation user identification card.
  • the function of each module and unit of the slot 26 and the in-vehicle charging device is the same as that of the corresponding module and unit of the first embodiment.
  • the embodiment further provides a device manager 3 in the charging station service network, where the service network includes a wireless charging station 5 and a wireless AP4, wherein the device manager 3 includes an authentication unit 31.
  • the functions of the assigning unit 32, the authenticating unit 31, and the assigning unit 32 are the same as those of the first embodiment.
  • the device manager 3 further includes a charging verification unit, and the charging verification unit includes:
  • a first subunit configured to receive, by the first wireless charging stub currently connected by the in-vehicle charging device, a charging request sent by the in-vehicle charging device, if the charging request carries the temporary user identifier, and activate the second Subunit
  • a second subunit configured to determine whether the in-vehicle charging device is compatible with the first wireless charging post after activation, and send a determination result to the in-vehicle charging device, and if the determination result is compatible, notify the first A wireless charging station charges the in-vehicle charging device.
  • a program to instruct the associated hardware, such as a read only memory, a magnetic disk, or an optical disk.
  • all or part of the steps of the foregoing embodiments may also be implemented by using one or more integrated circuits. Accordingly, each module/unit in the foregoing embodiment may be implemented in the form of hardware, or may use software functions. The form of the module is implemented. The invention is not limited to any specific form of combination of hardware and software.
  • the above solution can improve the security of wireless charging, reduce the accident rate, prevent theft of electricity, and improve the management efficiency of wireless charging by authenticating the user and selecting matching compatible charging piles for the vehicle charging device.
  • the charging of the wireless charging pile connected to the in-vehicle charging device before charging can ensure the charging safety.

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Abstract

一种车载充电设备与服务网络交互的方法及相应设备，应用于装有用户识别卡的车载充电设备与充电站服务网络交互以完成无线充电过程，所述方法包括：车载充电设备通过无线链路向服务网络发送从用户识别卡获取的用户标识和用户认证信息；服务网络对用户进行认证，在认证通过后，设备控制器为车载充电设备分配无线充电桩并将分配的无线充电桩的信息发送给车载充电设备。本发明实施例方案可以有效提高无线充电的安全性，降低事故发生率，并防止盗电，也可以提高了无线充电的管理效率。

Description

一种车载充电设备与服务网络交互的方法及相应设备
技术领域
本发明涉及无线充电技术， 尤其涉及电动汽车中车载充电设备与充电站 的服务网络交互的方法及相应设备。
背景技术
日益增长的汽车数量，对以石油和天然气为主的能源提出了很高的需求， 而石化能源日益枯竭， 长期来看油价将居于高位。 同时， 汽车尾气所带来的 空气污染也越来越严重。
电动汽车是以车载电源为动力， 用电机驱动车轮行驶。 电动汽车由于其 节能、 环保、 噪音小等优势， 其前景被广泛看好。 然而， 电动汽车的发展仍 然面临着很多技术问题， 充电技术的发展和充电站的部署是其中重要因素。
电池充电技术分为有线充电和无线充电。 对于有线充电， 运作模式和现 有的加油站类似， 需要手动专人进行操作， 这种方式的缺点是显而易见的， 比如虽然与严格的设计规范保证安全，但是充电口在高电压、大电流冲击下， 容易打火， 导致器件老化； 充电接口部件容易沾染灰尘、 雨雾、 油烟等， 监 测维护麻烦； 从日常经验看， 大功率插座的损害率都非常高， 而充电站的插 座需要经常插拔， 问题将更加严重。 无线充电技术是通过电磁感应或者磁共 振技术， 在充电器和设备之间的空气中传输电能， 使得电流流动从而为电池 充电的技术。 这种无线充电方法有效地应用于需要大容量电池充电手持通信 装置、 电动汽车等， 而且由于连接点埋于地下， 因此几乎没有漏电等危险， 能够防止有线充电方式中的连接不良的问题。 无线充电能够做到无人值守， 无须动手， 全自动操作， 安全可靠； 可以做到常用常充， 提高电池寿命和长 期使用后的整车价值； 中功率充电， 对电网压力小， 方便在停车场、 车库普 及安装充电装置。
近年来，无线充电核心技术日益成熟，无线充电效率已经可以超过 90%, 无线充电功率可达 30kw, 无线充电距离可达到米级。 然而， 如何解决车载设 备与充电桩之间的匹配兼容性， 以提高充电的安全性， 避免事故的发生， 如 何对车载充电设备进行管理， 避免非法的用户和车载充电设备盗电等问题仍 然是无线充电产业所面临的问题。 发明内容
本发明所要解决的技术问题是提供一种车载充电设备与服务网络交互 的方法及相应设备， 提高无线充电的安全性， 防止盗电。
为了解决上述问题， 本发明提供了一种与服务网络交互的方法， 应用于 装有用户识别卡的车载充电设备， 包括：
通过无线链路向充电站的服务网络发送从所述用户识别卡获取的用户标 识， 供所述服务网络对用户进行认证；
如接收到所述服务网络在认证通过后为本车载充电设备分配的无线充电 桩的信息， 显示所述无线充电桩的信息。
较佳地， 向所述服务网络发送所述用户标识之后， 还包括：
接收到所述服务网络的鉴权请求后， 基于所述用户识别模块中的鉴权数 据和所述鉴权请求中的随机数生成用户认证信息， 或者， 先基于所述鉴权数 据和随机数对所述鉴权请求中的所述服务网络的网络认证信息进行认证， 认 证通过后， 再基于所述鉴权数据和随机数生成所述用户认证信息；
将所述用户认证信息发送给所述服务网络， 供所述服务网络对所述用户 进行再次认证。
较佳地， 向所述服务网络发送所述用户标识时， 还向所述服务网络发送 本车载充电设备的设备标识， 或者还向所述服务网络发送本车载充电设备的 设备标识和设备参数， 所述设备参数包括所述服务网络为本车载充电设备选 择匹配的无线充电桩所需的设备参数。
较佳地， 接收到所述服务网络在认证通过后为本车载充电设备分配的一 临时用户标识；
与第一无线充电桩建立无线链接后， 通过当前连接的该第一无线充电桩 向所述服务网络发送充电请求， 携带所述临时用户标识；
接收所述服务网络对本车载充电设备与所述第一无线充电桩是否兼容的 判断结果， 如所述判断结果为兼容， 启动充电过程。
较佳地， 接收到所述服务网络在认证通过后向本车载充电设备发送的充 电套餐信息；
将所述充电套餐信息显示给用户， 并将用户选择的充电套餐发送给所述 服务网络。
为了解决上述技术问题， 本发明还提供了一种与车载充电设备交互的方 法， 应用于充电站服务网络中的设备管理器， 包括：
通过无线 AP接收车载充电设备发送的从用户识别卡获取的用户标识， 在本地或交由认证中心对用户进行认证；
如认证通过， 为所述车载充电设备分配匹配的无线充电桩， 并将选择的 无线充电桩的信息发送给所述车载充电设备。
较佳地， 交由认证中心对用户进行认证之后， 还包括：
接收所述认证中心对所述用户认证通过后返回的随机数和所述服务网络 的网络认证信息， 转发给所述车载充电设备； 息， 转发给所述认证中心；
接收所述认证中心对所述用户再次认证的结果。
较佳地， 为所述车载充电设备分配匹配的无线充电桩之前， 还包括： 接收所述车载充电设备发送的设备标识， 根据所述设备标识在本地对所 述车载充电设备进行认证， 或将所述设备标识发送给所述认证中心， 并接收 所述认证中心对所述车载充电设备的认证结果；
如对所述车载充电设备和用户的认证均通过， 再为所述车载充电设备分 配匹配的无线充电桩。
较佳地， 为所述车载充电设备分配匹配的无线充电桩， 包括： 根据所述车载充电设备的设备参数为所述车载充电设备选择匹配且未被 占用的一个或多个无线充电桩， 所述设备参数由所述车载充电设备通过无线 AP发送给本设备管理器或由所述认证中心发送给本设备管理器； 或者 接收所述认证中心下发的与所述车载充电设备匹配的无线充电桩列表， 从所述无线充电桩列表中选择一个或多个未被占用的无线充电桩；
所述发送的无线充电桩的信息包括： 用户可读的无线充电桩标识、 无线 充电桩的位置信息和是否被占用的信息中的一种或多种。
较佳地， 如认证通过， 为所述车载充电设备分配一个临时用户标识， 将 所述临时用户标识发送给所述车载充电设备；
通过所述车载充电设备当前连接的第一无线充电桩接收所述车载充电设 备发送的充电请求；
如所述充电请求中携带所述临时用户标识， 判断所述车载充电设备与所 述第一无线充电桩是否兼容， 将判断结果发送给所述车载充电设备， 如判断 结果为兼容， 还通知所述第一无线充电桩为所述车载充电设备充电。
较佳地， 如认证通过， 还向所述车载充电设备发送充电套餐信息， 并接 收所述车载充电设备返回的用户选择的充电套餐， 根据用户选择的充电套餐 确定充电的资费标准。
相应地， 本发明提供了一种车载充电设备， 包括电池组、 充电模块、 控 制模块、 无线通信模块和显示模块， 还包括安装用户标识卡的插槽， 其中： 所述控制模块包括：
认证单元， 设置为： 通过所述无线通信模块向充电站的服务网络发送从 所述用户识别卡获取的用户标识， 供所述服务网络对用户进行认证；
指示单元， 设置为： 通过所述无线通信模块接收所述服务网络在认证通 过后为本车载充电设备分配的无线充电桩的信息， 并通过所述显示模块显示 无线充电桩的信息。
较佳地， 所述认证单元还设置为： 向所述服务网络发送本车载充电设备 的设备标识， 或者发送本车载充电设备的设备标识和设备参数， 所述设备参 数包括所述服务网络为本车载充电设备选择匹配的无线充电桩所需的设备参 数。
较佳地， 所述充电控制单元， 包括：
第一子单元， 设置为： 通过所述无线通信模块接收所述服务网络在认证 通过后为本车载充电设备分配的一临时用户标识并保存；
第二子单元， 设置为： 在获知所述无线通信模块与第一无线充电桩建立 无线链接后， 通过所述无线通信模块向所述服务网络发送充电请求， 携带所 述临时用户标识；
第三子单元， 设置为： 接收所述服务网络对本车载充电设备与所述第一 无线充电桩是否兼容的判断结果， 如判断结果为兼容， 启动充电过程； 所述套餐选择单元， 设置为： 接收所述服务网络在认证通过后向本车载 充电设备发送的充电套餐信息， 将所述充电套餐信息显示给用户， 并将用户 选择的充电套餐发送给所述服务网络。
相应地， 本发明还提供了一种充电站服务网络中的设备管理器， 所述服 务网络还包括无线充电桩和无线 AP, 所述设备管理器包括：
认证单元， 设置为： 通过无线 AP接收车载充电设备发送的从用户识别 卡获取的用户标识， 在本地或交由认证中心对用户进行认证， 如认证通过， 激活分配单元；
分配单元， 设置为： 在激活后， 为所述车载充电设备分配匹配的无线充 电桩， 将选择的无线充电桩的信息发送给所述车载充电设备。
较佳地， 所述认证单元还设置为： 接收所述车载充电设备发送的设备标 识， 根据所述设备标识在本地对所述车载充电设备进行认证或交由所述认证 中心对所述车载充电设备进行认证， 如对所述车载充电设备和用户的认证均 通过， 再激活所述分配单元。
较佳地， 所述分配单元为所述车载充电设备分配匹配的无线充电桩， 包 括：
根据所述车载充电设备的设备参数为所述车载充电设备选择匹配且未被 占用的一个或多个无线充电桩， 所述设备参数由所述车载充电设备通过无线 AP发送给本设备管理器或由所述认证中心发送给本设备管理器； 或者
接收所述认证中心下发的与所述车载充电设备匹配的无线充电桩列表， 从所述无线充电桩列表中选择一个或多个未被占用的无线充电桩；
所述分配单元发送的无线充电桩的信息包括： 用户可读的无线充电桩标 识、 无线充电桩的位置信息和是否被占用的信息中的一种或多种。
较佳地， 所述分配单元还设置为： 在所述认证单元认证通过后， 为所述 车载充电设备分配一个临时用户标识， 并通过所述无线 AP将所述临时用户 标识发送给所述车载充电设备；
所述设备管理器还包括充电校验单元， 所述充电校验单元包括： 第一子单元， 设置为： 通过所述车载充电设备当前连接的第一无线充电 桩接收所述车载充电设备发送的充电请求， 如所述充电请求中携带所述临时 用户标识， 激活所述第二子单元；
第二子单元， 设置为： 在激活后， 判断所述车载充电设备与所述第一无 线充电桩是否兼容， 将判断结果发送给所述车载充电设备， 如判断结果为兼 容， 还通知所述第一无线充电桩为所述车载充电设备充电。
较佳地， 所述设备管理器还包括套餐确认单元， 设置为： 在所述认证单 元认证通过后， 向所述车载充电设备发送充电套餐信息， 并接收所述车载充 电设备返回的用户选择的充电套餐， 根据用户选择的充电套餐确定充电的资 费标准。
上述方案通过对用户进行认证， 为车载充电设备选择匹配兼容的充电 桩， 可以有效提高无线充电的安全性， 降低事故发生率， 并防止盗电， 也可 以提高了无线充电的管理效率。 而在充电前对车载充电设备连接的无线充电 桩进行校验， 可以保证充电安全。 附图概述
图 1是 Λ良务网络系统架构示意图；
图 2是本发明实施例一中车载充电设备与服务网络进行交互方法的流程 示意图；
图 3是本发明实施例一中车载充电设备单侧处理的流程示意图； 图 4是本发明实施例一中设备管理器单侧处理的流程示意图； 图 5是本发明实施例一中车载充电设备的结构示意图；
图 6是本发明实施例一中设备管理器的结构示意图； 图 7是本发明实施例二中车载充电设备与服务网络进行交互方法的流程 示意图。
本发明的较佳实施方式
下文中将结合附图对本发明的实施例进行详细说明。 需要说明的是， 在 不冲突的情况下， 本申请中的实施例及实施例中的特征可以相互任意组合。
实施例一
本实施例提供一种与服务网络交互的方法， 应用于车载充电设备（本文 中均指用无线方式充电的车载充电设备） ， 服务网络中包括无线充电站内所 有无线充电桩、 无线 AP(Access Point)、 设备管理器等设备。 如图 1所示， 本 实施例的服务网络系统架构包括：
认证中心 1 , 认证中心具有本运营商所有合法用户的用户标识以及对应 的鉴权数据等， 该用户标识和鉴权数据和该用户的用户标识卡中用户标识和 鉴权数据是一致的。 认证中心还可以存储和维护合法的车载充电设备的设备 标识和设备参数信息。 此外， 认证中心还可以具有无线充电桩相关信息如无 线充电桩标识和相关参数信息， 无线充电桩在上电之后， 认证中心可根据保 存的信息对其进行认证， 以确保该无线充电桩是合法无线充电桩。 认证中心 还可以根据车载充电设备的设备标识， 提供本地区和该车载充电设备相匹配 的无线充电桩列表。
车载充电设备 2 , 包括电池组、 充电模块、 控制模块、 无线通信模块和 显示模块。 车载充电设备具有全球唯一的设备标识， 由设备的生产厂家在设 备出厂时分配， 终身固定不变。 车载充电设备上还设有一个插槽， 插槽中可 以插入用户标识卡， 该用户标识卡由认证中心 1分配， 唯一标识用户身份。 用户标识卡中还可以保存有鉴权数据，用于网络对用户进行认证和 /或用户对 网络进行认证。 用户标识卡和车载充电设备分离， 使得一个用户标识卡可以 在多个车载充电设备中使用， 从而实现统一计费。
设备管理器 3 , 设备管理器 3控制着本充电站内所有无线充电桩、 无线 AP等设备， 保存有无线充电桩的设备参数。 设备管理器 3可以釆用无线通 信技术和这些设备进行通信， 也可以釆用有线通信技术。 设备管理器 3还可 以与认证中心 1 , 实现对车载充电设备和用户的认证。 设备管理器 3还可为 该车载充电设备提供匹配的无线充电桩， 供车载充电设备充电。
无线 AP 4, 无线 AP上有无线通信模块， 用于和电动汽车上的车载充电 设备进行通信， 该通信模块可以釆用 WIFI、 蓝牙或者 Zigbee等短距离无线 通信技术。 车载充电设备可以通过无线 AP上的无线通信模块与无线 AP建 立无线链路。 无线 AP和设备管理器之间可以釆用无线通信或者有线通信。 无线 AP通常主动广播信号， 当传电动汽车驶入或者驶出充电站的时候， 如 果检测到无线 AP发出的广播信号， 则向该无线 AP发起建立链路请求， 无 线 AP响应该建立链路请求， 协商无线参数之后， 可以建立车载充电设备和 无线 AP之间的无线通信链路。 无线 AP也可以和无线充电桩部署在一起。 无线充电桩本身也可充当无线 AP。
无线充电桩 5 , 用于给车载充电设备 2进行无线充电。 无线充电桩 5在 设备管理器 3内具有唯一标识， 以及一个显示给用户的用户可读的无线充电 桩标识。
如图 2 所示，本实施例中的车载充电设备与服务网络进行交互的方法的 包括：
步骤 201 : 车载充电设备与服务网络的无线 AP之间建立无线链路； 当电动汽车驶入充电站的时候， 车载充电设备可检测无线 AP主动广播 信息， 进行无线信号检测， 建立和无线 AP之间的无线通讯链路。
步骤 202: 车载充电设备通过无线链路向无线 AP发送注册请求， 该注 册请求中包含有从用户识别卡获取的用户标识、 车载充电设备的设备标识和 设备参数；
设备标识由车载充电设备的生产厂家在该设备出厂的时候进行分配， 或 者由车载充电设备中的充电装置的生产厂家在该装置出厂的时候进行分配。 设备标识可以具有全球唯一的编码， 终身固定不变。
设备参数包括为车载充电设备选择匹配的无线充电桩所需的参数， 如车 载充电设备的型号、 额定电压、 额定电流、 功率等。 步骤 203: 无线 AP收到该注册请求后发送给设备管理器； 步骤 204: 设备管理器收到注册请求之后， 向认证中心发送对该车载充 电设备的认证请求， 携带注册请求中的用户标识和设备标识；
步骤 205： 认证中心收到该认证请求之后， 根据其中的用户标识和设备 标识对用户和车载充电设备进行认证， 如认证通过， 向设备管理器发送鉴权 请求， 携带生成的随机数和网络认证信息；
本实施例中， 对用户进行认证可以包括： 认证中心到数据库查找保存的 合法的用户标识中是否存在该用户标识， 如果不存在， 则返回认证失败； 如 果存在， 则认证通过， 再根据该用户标识查找到该用户的鉴权数据和生成的 一随机数， 通过第一算法生成一网络认证码， 作为网络认证信息， 向设备管 理器发送鉴权请求， 携带生成的随机数和网络认证码。
对车载充电设备的认证可以包括： 认证中心到数据库中查找合法的车载 充电设备的设备标识中是否存在该车载充电设备的设备标识， 如果存在则可 认为该设备标识合法， 否则认为该设备标识非法， 则认证失败。 发现车载充 电设备被盗用后， 可以将被盗车载充电设备的设备标识置为非法， 并可以在 查找到有非法设备标识时， 发出报警信息。
步骤 206、 207: 设备管理器通过无线 AP将鉴权请求发送给车载充电设 备；
步骤 208: 车载充电设备接收到认证中心的鉴权请求后， 基于用户识别 卡中的鉴权数据和鉴权请求中携带的随机数， 对鉴权请求中携带的服务网络 的网络认证信息进行认证， 认证通过后， 再基于该鉴权数据和该随机数生成 用户认证信息， 发送给该服务网络；
在本步骤中， 车载充电设备可根据用户识别卡中的鉴权数据和鉴权请求 中携带的随机数， 通过第一算法生成网络认证信息， 车载充电设备将其生成 的网络认证信息与认证中心下发的网络认证信息进行比较， 如果两者一致则 车载充电设备对网络认证成功， 如果不一致则车载充电设备认为网络是非法 的， 网络认证不成功；
在对服务网络的认证通过后， 车载充电设备再根据该随机数和该鉴权数 据， 通过第二算法生成用户认证信息， 并向无线 AP向服务网络发送给鉴权 响应， 其中鉴权响应中携带上述用户认证信息。
步骤 209、 210: 无线 AP接收到鉴权响应后， 通过设备管理器将鉴权响 应发送到认证中心。
步骤 211 : 认证中心接收到鉴权响应后， 基于随机数及鉴权数据对鉴权 响应中携带的用户认证信息进行认证， 并将认证结果返回给设备管理器； 认证中心可以根据鉴权相应中的随机数以及认证中心保存的上述用户标 识对应的鉴权数据， 通过第二算法生成一用户认证信息。 认证中心将其生成 的用户认证信息与鉴权响应中携带的用户认证信息进行比较， 如果一致则认 证中心对用户认证成功也即认证通过， 否则认证失败。
在本步骤和步骤 208中， 认证中心和用户标识卡都保存了对应于该用户 的鉴权数据， 该鉴权数据可以加密保存的， 提高安全系数， 同时车载充电设 备和认证中心使用相同的算法计算网络认证信息和用户认证信息， 可以实现 用户和服务网络之间的单向或双向认证。
可选地， 认证中心在返回认证成功响应时还可以根据车载充电设备的设 备标识， 将设备管理器为该车载充电设备选择匹配的无线充电桩所需的该车 载充电设备的设备参数也一同返回给设备管理器。
步骤 212: 设备管理器在收到认证中心返回的认证成功响应之后， 为车 载充电设备分配匹配的无线充电桩， 并将选择的无线充电桩的信息发送给车 载充电设备；
无线充电桩信息中可以包含用户可读的无线充电桩标识、 无线充电桩的 位置信息、 是否被占用的信息等。
本实施例中， 设备管理器根据车载充电设备的设备参数为该车载充电设 备分配一个或者多个与该车载充电设备相匹配的无线充电桩， 其中车载充电 设备的设备参数可以在注册请求中携带， 也可以由认证中心返回。 设备管理 器在选择匹配的无线充电桩时，还可根据车载充电设备到无线充电桩的路径、 无线充电桩是否被占用参数从匹配的无线充电桩中选择出相对于该车载充电 设备较合适的部分无线充电桩， 供用户选择。 在其他实施例中， 也可由认证中心根据保存的车载充电设备和无线充电 桩的设备参数， 确定与车载充电设备相匹配的无线充电桩列表并发送给设备 管理器， 设备管理器可以根据用户的位置、 无线充电桩的占用情况等筛选规 则筛选出部分无线充电桩发送给车载充电设备供用户选择， 也可以直接发送 给车载充电设备。
可选的， 设备管理器接收到认证成功响应后， 设备管理器为车载充电设 备分配一个临时用户标识。 临时用户标识能够唯一标识该用户和车载充电设 备， 车载充电设备后续向服务网络发送数据时可使用该临时用户标识。 临时 用户标识中可以设有一字段， 该字段用来唯一标识分配该临时用户标识的设 备管理器， 因此不同设备管理器所分配的临时用户标识不同。 通过使用临时 用户表示可以避免异常的冲突， 例如车载充电设备从其他设备管理器获取临 时用户标识， 然后用该临时用户标识接入本设备管理器， 这时本设备管理器 可以识别出该临时标识是无效的。
可选的， 设备管理器接收到认证成功响应后， 向车载充电设备发送兖电 套餐信息以显示给用户， 并接收车载充电设备返回的用户选择的充电套餐。 充电套餐信息可方便用户了解充电计费标准以及优惠组合， 简化计费操作。
步骤 213、 214: 设备管理器通过接入点 AP向车载充电设备发送注册成 功响应；
该注册成功响应中包括了设备管理器为车载充电设备所选择的较合适的 匹配的充电桩的信息如用户可读的无线充电桩标识、 无线充电桩的位置信息 和是否被占用的信息中的一种或多种。 这样用户可以根据该标识， 找到对应 的充电桩并进行充电。
如果在步骤 212中为车载充电设备分配了临时用户标识， 则在注册成功 响应中也将包含该临时用户标识。
如果在步骤 212中为车载充电设备提供了充电套餐信息， 则在注册成功 响应中也将包含充电套餐信息。
步骤 215: 车载充电设备接收服务网络发送的注册成功响应；
需要说明的是，在本实施例的车载充电设备与服务网络进行交互过程中， 如果步骤 205或 208或 211认证失败， 则认证中心直接向设备管理器返回认 证失败的响应。 另外， 本发明对上述流程中的消息名称和消息发送的条数等 不做限定， 如上述注册请求也可以称为认证请求， 注册响应也可以称为分配 响应等等。 而在认证通过后， 服务网络也可以先向车载充电设备返回一个认 证响应， 车载充电设备收到该认证响应后再发出对无线充电桩的分配请求， 管理控制器完成分配后， 返回分配响应。 因而， 只要能够完成必要的信息传 递， 就可以实现上述认证、 无线充电桩分配等功能。
在基于本实施例的变例中， 用户和服务网络之间的认证方法可以不同于 上述实施例：
例如， 可以使用数字证书来实现认证。 数字证书由权威公正的第三方机 构证书授权中心发行， 数字证书可以包含一个公钥、 证明对象的相关信息以 及颁发该数字证书的证书授权中心（或称为证书权威（CA ) )用该公钥对应 的私钥所做的数字签名。 用户识别卡中可预置一数字证书并由车载充电设备 发送给服务网络， 服务网络中的设备管理器通过对该数字证书的验证来实现 对用户的认证， 认证过程中还可以查询证书授权中心管理的证书库以对证书 的真实性、 有效性进行校验。 同样地， 设备管理器也可以预置一数字证书并 提供给车载充电设备， 以实现对设备管理器的认证。
又如， 可以将本实施例的双向认证改为服务网络对用户的单向认证， 反 应在流程中， 认证中心不需要生成网络认证信息， 只需要生成一随机数并发 送给车载充电设备， 车载充电设备基于该随机数和用户识别卡中的鉴权数据 生成用户认证信息提交给认证中心认证即可。
又如， 也可以由车载充电设备来生成一随机数， 根据该随机数和用户识 别卡中的鉴权数据生成用户认证信息， 将从该用户识别卡读取的用户标识、 该用户认证信息和随机数提交给服务网络的认证中心， 认证中心根据该用户 标识查找到该用户的鉴权数据， 根据该鉴权数据和随机数按相同算法生成一 用户认证信息， 将收到的和生成的用户认证信息比较， 即可以完成对用户的 认证。 同理，认证中心也可以基于上述随机数和鉴权数据生成网络认证信息， 发送给车载充电设备实现对服务网络的认证。 又如， 对用户的认证也可以只基于用户标识进行， 相对现有技术， 仍具 有提高充电的安全性和防止盗电的效果。
基于上述整体流程， 从单个设备的角度， 对上述流程再加以说明。 如图 3 所示， 车载充电设备侧的处理包括：
步骤 S301 : 车载充电设备与服务网络的无线 AP之间建立无线链路； 步骤 S302: 车载充电设备通过无线链路向无线 AP发送注册请求， 该注 册请求中包含有车载充电设备的用户标识、 车载充电设备的设备标识和设备 参数；
步骤 S303 : 车载充电设备接收到认证中心的鉴权请求后，基于用户识别 卡中的鉴权数据和鉴权请求中携带的随机数， 对鉴权请求中携带的服务网络 的网络认证信息进行认证， 认证通过后， 再基于该鉴权数据和该随机数生成 用户认证信息， 发送给该服务网络。
步骤 S304: 车载充电设备接收服务网络发送的注册成功响应， 根据注册 响应中提供的无线充电桩信息， 选择无线充电桩完成充电。
对于本实施例流程所做的与车载充电设备有关的一些变化见上文所述， 这里不再重复。
如图 4所示， 本实施例中的设备管理器完成注册的流程包括： 步骤 S401 : 设备管理器接收通过无线 AP接收车载充电设备发送的注册 请求；
步骤 S402: 设备管理器接收到车载充电设备的注册请求之后， 向认证中 心发送对该车载充电设备的认证请求， 认证请求中携带注册请求中携带上来 的用户标识、 设备标识及设备参数；
步骤 S403 : 设备管理器接收认证中心发送的鉴权请求， 该鉴权请求中携 带网络认证信息， 该网络认证信息是认证中心通过对用户标识的初步认证后 生成的； 步骤 S404: 设备管理器通过无线 AP将鉴权请求发送给车载充电设备； 步骤 S405: 设备管理器接收车载充电设备返回的用户认证信息， 该用户 认证信息是车载充电设备通过对服务网络的认证后生成的；
步骤 S406: 设备管理器接收认证中心返回的认证成功响应；
步骤 S407: 设备管理器在接收到认证中心返回的认证成功响应之后， 为 车载充电设备分配匹配的无线充电桩， 并将选择的无线充电桩的信息发送给 车载充电设备；
可选地， 设备管理器接收到认证成功响应后， 设备管理器还可以为车载 充电设备分配一个临时用户标识。
可选地， 设备管理器接收到认证成功响应后， 设备管理器还可以向车载 充电设备发送套餐信息， 并显示给用户。
步骤 S408:设备管理器通过无线 AP向车载充电设备发送注册成功响应。 可选地， 注册成功响应中可包含该临时用户标识； 可选地， 注册成功响 应中可包含充电套餐信息。
对于本实施例流程所做的与设备管理器有关的一些其他变化见上文所 述， 这里不再重复。
相应的， 如图 1和图 5所示， 本实施例还提供一种车载充电设备 2 , 包 括电池组 21、 充电模块 22、 控制模块 23、 无线通信模块 24和显示模块 25 以及安装用户标识卡的插槽 26, 其中， 控制模块 23包括：
认证单元 231 , 用于通过无线通信模块向充电站的服务网络发送从用户 识别卡获取的用户标识， 供服务网络对用户进行认证；
指示单元 232 ,用于通过无线通信模块 24接收服务网络在认证通过后为 本车载充电设备 2分配的无线充电桩 5的信息，并通过显示模块 25显示无线 充电桩 5的信息。
较佳地， 认证单元 231还用于向服务网络发送本车载充电设备 2的设备 标识， 或者发送本车载充电设备 2的设备标识和设备参数， 设备参数包括服 务网络为本车载充电设备 2选择匹配的无线充电桩 5所需的设备参数。
较佳地， 控制模块 23还包括充电控制单元 233 , 充电控制单元包括： 第一子单元， 用于通过无线通信模块接收服务网络在认证通过后为本车 载充电设备分配的一临时用户标识并保存；
第二子单元， 用于在获知无线通信模块与第一无线充电桩建立无线链接 后， 通过无线通信模块向服务网络发送充电请求， 携带临时用户标识；
第三子单元， 用于接收服务网络对本车载充电设备与第一无线充电桩是 否兼容的判断结果， 如判断结果为兼容， 启动充电过程；
较佳地， 控制模块 23还包括套餐选择单元 234, 用于接收服务网络在认 证通过后向本车载充电设备发送的充电套餐信息， 将充电套餐信息显示给用 户， 并将用户选择的充电套餐发送给服务网络。
相应的， 如图 1和图 6所示， 本实施例还提供一种充电站服务网络中的 设备管理器 3 , 服务网络包括无线充电桩 5和无线 AP4, 其中设备管理器 3 包括：
认证单元 31 , 用于通过无线 AP4接收车载充电设备 5发送的从用户识 别卡获取的用户标识， 在本地或交由认证中心 1对用户进行认证， 如认证通 过， 激活分配单元 32;
分配单元 32, 用于在激活后， 为车载充电设备 2分配匹配的无线充电桩 5 , 将选择的无线充电桩 5的信息发送给所述车载充电设备 2, 分配单元 32 发送的无线充电桩 5的信息包括用户可读的无线充电桩标识、 无线充电桩的 位置信息和是否被占用的信息中的一种或多种。分配单元 32为车载充电设备 2分配匹配的无线充电桩 5包括：
根据车载充电设备 2的设备参数为车载充电设备 2选择匹配且未被占用 的一个或多个无线充电桩 5 , 设备参数由车载充电设备 2通过无线 AP4发送 给本设备管理器 3或由认证中心 1发送给本设备管理器 3;
或者接收所证中心 1下发的与车载充电设备 2匹配的无线充电桩 5列表， 从无线充电桩列表中选择一个或多个未被占用的无线充电桩 5。 较佳地，认证单元 31还用于接收车载充电设备 2发送的设备标识，根据 设备标识在本地对车载充电设备 2进行认证或交由认证中心 1对车载充电设 备 2进行认证， 如对车载充电设备 2和用户的认证均通过， 再激活分配单元 32。
较佳地， 分配单元 32还用于在认证单元 31认证通过后， 为车载充电设 备 2分配一个临时用户标识，并通过无线 AP4将临时用户标识发送给车载充 电设备 2。
较佳地， 设备管理器 3还包括套餐确认单元 33 , 用于在认证单元 31认 证通过后， 向车载充电设备 2发送充电套餐信息， 并接收车载充电设备 2返 回的用户选择的充电套餐， 根据用户选择的充电套餐确定充电的资费标准。
实施例二
通过实施例一车载充电设备与服务网络的交互， 完成了认证和无线充电 桩的分配， 用户可以获取到分配的无线充电桩的标识信息、 位置信息等， 但 用户仍然可能找错无线充电桩， 由于充电的电压、 电流都很大， 如果车载充 电设备与无线充电桩不兼容， 容易发生危险， 因此， 本实施例在用户驾驶电 动汽车选择好无线充电桩， 车载无线设备与该无线充电桩建立好无线链路， 准备充电时， 对车载充电设备与当前连接的无线充电桩进行再次校验。
如图 7所示， 车载无线设备与第一无线充电桩建立无线链路， 与服务网 络进行交互的方法包括：
步骤 S501 : 电设备通过当前连接的第一无线充电桩向设备管理器发送充 电请求， 携带之前分配的临时用户标识；
临时用户标识除了标识车载充电设备及其用户外， 还可以表示该车载充 电设备已经完成了认证过程， 设备管理器收到后不会再发起认证和无线充电 桩的分配过程。 本发明并不局限于临时用户标识的组成， 只要能够起到上述 标识作用的信息均可作为临时用户标识。
步骤 S502: 设备管理器接收充电请求， 判断第一无线充电桩与车载充电 设备是否兼容性， 并返回充电响应； 设备管理器接收到的充电请求中如果携带所述临时用户标识， 则判断车 载充电设备与第一无线充电桩是否兼容。 设备管理器可以判断车载充电设备 的设备参数与第一无线充电桩是否匹配， 如果匹配， 则车载充电设备与第一 无线充电桩兼容， 否则不兼容， 其中设备参数可以是充电请求中携带的或者 根据临时用户标识查找得到。 或者
设备管理器也可以根据临时用户标识查找到为车载充电设备分配的无线 充电桩，判断第一无线充电桩是否是分配的无线充电桩或其中之一，如果是， 则判断车载充电设备与第一无线充电桩兼容， 否则不兼容。
如果判断结果为兼容，则设备管理器在充电响应中携带判断结果的信息， 如判断结果为兼容， 还通知第一无线充电桩为车载充电设备充电。
步骤 S503 : 车载充电器接收充电响应， 如发现判断结果为兼容， 根据充 电指令完成充电。
相应地， 如图 1和图 5所示， 本实施例还提供一种车载充电设备 2 , 包 括电池组 21、 充电模块 22、 控制模块 23、 无线通信模块 24和显示模块 25 以及安装用户标识卡的插槽 26,车载充电设备各模块和单元的功能与实施例 一的相应模块和单元相同。
相应的， 如图 1和图 6所示， 本实施例还提供一种充电站服务网络中的 设备管理器 3 , 服务网络包括无线充电桩 5和无线 AP4, 其中设备管理器 3 包括认证单元 31和分配单元 32 , 认证单元 31和分配单元 32的功能与实施 例一的相应模块相同。
进一步的， 在本实施例二中， 设备管理器 3还包括充电校验单元， 充电 校验单元包括：
第一子单元， 用于通过所述车载充电设备当前连接的第一无线充电桩接 收所述车载充电设备发送的充电请求， 如所述充电请求中携带所述临时用户 标识， 激活所述第二子单元；
第二子单元， 用于在激活后， 判断所述车载充电设备与所述第一无线充 电桩是否兼容， 将判断结果发送给所述车载充电设备， 如判断结果为兼容， 还通知所述第一无线充电桩为所述车载充电设备充电。 本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序 来指令相关硬件完成， 所述程序可以存储于计算机可读存储介质中， 如只读 存储器、 磁盘或光盘等。 可选地， 上述实施例的全部或部分步骤也可以使用 一个或多个集成电路来实现， 相应地， 上述实施例中的各模块 /单元可以釆用 硬件的形式实现， 也可以釆用软件功能模块的形式实现。 本发明不限制于任 何特定形式的硬件和软件的结合。
以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本 领域的技术人员来说， 本发明可以有各种更改和变化。 凡在本发明的精神和 原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护 范围之内。
工业实用性
上述方案通过对用户进行认证， 为车载充电设备选择匹配兼容的充电 桩， 可以有效提高无线充电的安全性， 降低事故发生率， 并防止盗电， 也可 以提高了无线充电的管理效率。 而在充电前对车载充电设备连接的无线充电 桩进行校验， 可以保证充电安全。

Claims

权 利 要 求 书
1、一种与服务网络交互的方法，应用于装有用户识别卡的车载充电设备， 所述方法包括：
通过无线链路向充电站的服务网络发送从所述用户识别卡获取的用户标 识， 供所述服务网络对用户进行认证；
如接收到所述服务网络在认证通过后为本车载充电设备分配的无线充电 桩的信息， 显示所述无线充电桩的信息。
2、 如权利要求 1所述的方法， 其中，
向所述服务网络发送所述用户标识之后， 还包括：
接收到所述服务网络的鉴权请求后， 基于所述用户识别模块中的鉴权数 据和所述鉴权请求中的随机数生成用户认证信息， 或者， 先基于所述鉴权数 据和随机数对所述鉴权请求中的所述服务网络的网络认证信息进行认证， 认 证通过后， 再基于所述鉴权数据和随机数生成所述用户认证信息；
将所述用户认证信息发送给所述服务网络， 供所述服务网络对所述用户 进行再次认证。
3、 如权利要求 1所述的方法， 其中，
向所述服务网络发送所述用户标识时， 还向所述服务网络发送本车载充 电设备的设备标识， 或者还向所述服务网络发送本车载充电设备的设备标识 和设备参数， 所述设备参数包括所述服务网络为本车载充电设备选择匹配的 无线充电桩所需的设备参数。
4、 如权利要求 1或 2或 3所述的方法， 其中， 还包括：
接收到所述服务网络在认证通过后为本车载充电设备分配的一临时用户 标识；
与第一无线充电桩建立无线链接后， 通过当前连接的该第一无线充电桩 向所述服务网络发送充电请求， 携带所述临时用户标识；
接收所述服务网络对本车载充电设备与所述第一无线充电桩是否兼容的 判断结果， 如所述判断结果为兼容， 启动充电过程。
5、 如权利要求 1或 2或 3所述的方法， 其中， 还包括：
接收到所述服务网络在认证通过后向本车载充电设备发送的充电套餐信 息；
将所述充电套餐信息显示给用户， 并将用户选择的充电套餐发送给所述 服务网络。
6、一种与车载充电设备交互的方法，应用于充电站服务网络中的设备管 理器， 所述方法包括：
通过无线 AP接收车载充电设备发送的从用户识别卡获取的用户标识， 在本地或交由认证中心对用户进行认证；
如认证通过， 为所述车载充电设备分配匹配的无线充电桩， 并将选择的 无线充电桩的信息发送给所述车载充电设备。
7、 如权利要求 6所述的方法， 其中，
交由认证中心对用户进行认证之后， 还包括：
接收所述认证中心对所述用户认证通过后返回的随机数和所述服务网络 的网络认证信息， 转发给所述车载充电设备； 息， 转发给所述认证中心；
接收所述认证中心对所述用户再次认证的结果。
8、 如权利要求 6所述的方法， 其中，
为所述车载充电设备分配匹配的无线充电桩之前， 还包括：
接收所述车载充电设备发送的设备标识， 根据所述设备标识在本地对所 述车载充电设备进行认证， 或将所述设备标识发送给所述认证中心， 并接收 所述认证中心对所述车载充电设备的认证结果；
如对所述车载充电设备和用户的认证均通过， 再为所述车载充电设备分 配匹配的无线充电桩。
9、 如权利要求 6所述的方法， 其中，
为所述车载充电设备分配匹配的无线充电桩， 包括： 根据所述车载充电设备的设备参数为所述车载充电设备选择匹配且未被 占用的一个或多个无线充电桩， 所述设备参数由所述车载充电设备通过无线
AP发送给本设备管理器或由所述认证中心发送给本设备管理器； 或者
接收所述认证中心下发的与所述车载充电设备匹配的无线充电桩列表， 从所述无线充电桩列表中选择一个或多个未被占用的无线充电桩；
所述发送的无线充电桩的信息包括： 用户可读的无线充电桩标识、 无线 充电桩的位置信息和是否被占用的信息中的一种或多种。
10、 如权利要求 6或 7或 8或 9所述的方法， 其中， 还包括： 如认证通过， 为所述车载充电设备分配一个临时用户标识， 将所述临时 用户标识发送给所述车载充电设备；
通过所述车载充电设备当前连接的第一无线充电桩接收所述车载充电设 备发送的充电请求；
如所述充电请求中携带所述临时用户标识， 判断所述车载充电设备与所 述第一无线充电桩是否兼容， 将判断结果发送给所述车载充电设备， 如判断 结果为兼容， 还通知所述第一无线充电桩为所述车载充电设备充电。
11、 如权利要求 6或 7或 8或 9所述的方法， 其中， 还包括： 如认证通过， 还向所述车载充电设备发送充电套餐信息， 并接收所述车 载充电设备返回的用户选择的充电套餐， 根据用户选择的充电套餐确定充电 的资费标准。
12、 一种车载充电设备， 包括电池组、 充电模块、 控制模块、 无线通信 模块和显示模块， 其特征在于， 还包括安装用户标识卡的插槽， 其中： 所述控制模块包括：
认证单元， 设置为： 通过所述无线通信模块向充电站的服务网络发送从 所述用户识别卡获取的用户标识， 供所述服务网络对用户进行认证；
指示单元， 设置为： 通过所述无线通信模块接收所述服务网络在认证通 过后为本车载充电设备分配的无线充电桩的信息， 并通过所述显示模块显示 无线充电桩的信息。
13、 如权利要求 12所述的车载充电设备， 其中，
所述认证单元还设置为： 向所述服务网络发送本车载充电设备的设备标 识， 或者发送本车载充电设备的设备标识和设备参数， 所述设备参数包括所 述服务网络为本车载充电设备选择匹配的无线充电桩所需的设备参数。
14、 如权利要求 12或 13所述的车载充电设备， 其中， 所述控制模块还 包括充电控制单元和 /或套餐选择单元：
所述充电控制单元， 包括：
第一子单元， 设置为： 通过所述无线通信模块接收所述服务网络在认证 通过后为本车载充电设备分配的一临时用户标识并保存；
第二子单元， 设置为： 在获知所述无线通信模块与第一无线充电桩建立 无线链接后， 通过所述无线通信模块向所述服务网络发送充电请求， 携带所 述临时用户标识；
第三子单元， 设置为： 接收所述服务网络对本车载充电设备与所述第一 无线充电桩是否兼容的判断结果， 如判断结果为兼容， 启动充电过程； 所述套餐选择单元， 设置为： 接收所述服务网络在认证通过后向本车载 充电设备发送的充电套餐信息， 将所述充电套餐信息显示给用户， 并将用户 选择的充电套餐发送给所述服务网络。
15、 一种充电站服务网络中的设备管理器， 所述服务网络还包括无线充 电桩和无线 AP, 其特征在于， 所述设备管理器包括：
认证单元， 设置为： 通过无线 AP接收车载充电设备发送的从用户识别 卡获取的用户标识， 在本地或交由认证中心对用户进行认证， 如认证通过， 激活分配单元；
分配单元， 设置为： 在激活后， 为所述车载充电设备分配匹配的无线充 电桩， 将选择的无线充电桩的信息发送给所述车载充电设备。
16、 如权利要求 15所述的设备管理器， 其中，
所述认证单元还设置为： 接收所述车载充电设备发送的设备标识， 根据 所述设备标识在本地对所述车载充电设备进行认证或交由所述认证中心对所 述车载充电设备进行认证， 如对所述车载充电设备和用户的认证均通过， 再 激活所述分配单元。
17、 如权利要求 15所述的设备管理器， 其中，
所述分配单元为所述车载充电设备分配匹配的无线充电桩， 包括： 根据所述车载充电设备的设备参数为所述车载充电设备选择匹配且未被 占用的一个或多个无线充电桩， 所述设备参数由所述车载充电设备通过无线 AP发送给本设备管理器或由所述认证中心发送给本设备管理器； 或者
接收所述认证中心下发的与所述车载充电设备匹配的无线充电桩列表， 从所述无线充电桩列表中选择一个或多个未被占用的无线充电桩；
所述分配单元发送的无线充电桩的信息包括： 用户可读的无线充电桩标 识、 无线充电桩的位置信息和是否被占用的信息中的一种或多种。
18、 如权利要求 15或 16或 17所述的设备管理器， 其中，
所述分配单元还设置为： 在所述认证单元认证通过后， 为所述车载充电 设备分配一个临时用户标识， 并通过所述无线 AP将所述临时用户标识发送 给所述车载充电设备；
所述设备管理器还包括充电校验单元， 所述充电校验单元包括： 第一子单元， 设置为： 通过所述车载充电设备当前连接的第一无线充电 桩接收所述车载充电设备发送的充电请求， 如所述充电请求中携带所述临时 用户标识， 激活所述第二子单元；
第二子单元， 设置为： 在激活后， 判断所述车载充电设备与所述第一无 线充电桩是否兼容， 将判断结果发送给所述车载充电设备， 如判断结果为兼 容， 还通知所述第一无线充电桩为所述车载充电设备充电。
19、 如权利要求 15或 16或 17所述的设备管理器， 其中，
所述设备管理器还包括套餐确认单元， 设置为： 在所述认证单元认证通 过后， 向所述车载充电设备发送充电套餐信息， 并接收所述车载充电设备返 回的用户选择的充电套餐， 根据用户选择的充电套餐确定充电的资费标准。
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