WO2014003106A1 - Système de charge de véhicule électrique et procédé de facturation de charge - Google Patents

Système de charge de véhicule électrique et procédé de facturation de charge Download PDF

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Publication number
WO2014003106A1
WO2014003106A1 PCT/JP2013/067622 JP2013067622W WO2014003106A1 WO 2014003106 A1 WO2014003106 A1 WO 2014003106A1 JP 2013067622 W JP2013067622 W JP 2013067622W WO 2014003106 A1 WO2014003106 A1 WO 2014003106A1
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Prior art keywords
power
electric vehicle
charging
electric
charging device
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PCT/JP2013/067622
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English (en)
Japanese (ja)
Inventor
健一 安間
正一郎 淺田
Original Assignee
三菱重工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to CN201380020032.1A priority Critical patent/CN104246817A/zh
Publication of WO2014003106A1 publication Critical patent/WO2014003106A1/fr
Priority to IN9496DEN2014 priority patent/IN2014DN09496A/en
Priority to PH12014502637A priority patent/PH12014502637A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/14—Payment architectures specially adapted for billing systems
    • G06Q20/145—Payments according to the detected use or quantity
    • 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
    • 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
    • B60L53/66—Data transfer between charging stations and vehicles
    • B60L53/665—Methods related to measuring, billing or payment
    • 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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
    • G07F15/003—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
    • G07F15/005—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity dispensed for the electrical charging of vehicles
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/70—Interactions with external data bases, e.g. traffic centres
    • 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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
    • 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
    • Y04S50/00—Market activities related to the operation of systems integrating technologies related to power network operation or related to communication or information technologies
    • Y04S50/12—Billing, invoicing, buying or selling transactions or other related activities, e.g. cost or usage evaluation

Definitions

  • the present invention relates to an electric vehicle charging system and a charging billing method.
  • the power supply system described in Patent Literature 1 includes a vehicle that transmits power and a vehicle that receives power from the vehicle, and an ECU of the vehicle that transmits power wirelessly transmits power to the vehicle that receives power.
  • the ECU of the vehicle that transmits electric power and receives electric power supplies the received electric power to the driving motor and drives the driving motor.
  • a vehicle ECU that transmits power calculates a fee according to the amount of transmitted power, transmits it to the information management center, and receives the received vehicle. The fee is transferred from the account of the ETC card owner of the vehicle to the account of the ETC card owner of the vehicle that has transmitted power.
  • the fee settlement method based on the electric power exchanged in Patent Literature 1 is a method relating to electric power exchange between moving electric vehicles, and a method relating to electric power exchange between a non-moving charging device and an electric vehicle. is not.
  • the present invention has been made in view of such circumstances, and provides an electric vehicle charging system and a charge charging method that can easily settle a fee according to power transmission from a non-moving charging device to an electric vehicle.
  • the purpose is to do.
  • the electric vehicle charging system and the charging method according to the present invention employ the following means.
  • the electric vehicle charging system includes a receiving means for receiving identification information for identifying the owner of the electric vehicle transmitted from the electric vehicle, and supply of electric power from a commercial power system.
  • Power transmission means for performing power transmission for charging a secondary battery to the electric vehicle that has transmitted the specific information, and the charging device installed at a predetermined position and the power transmission device transmits power to the electric vehicle.
  • a charging device that charges the owner of the electric vehicle specified by the specific information for a charge corresponding to the amount of electric power.
  • the charging device installed at the predetermined position receives the specific information for identifying the owner of the electric vehicle transmitted from the electric vehicle by the receiving unit, and receives the power from the commercial power system.
  • the supplied power transmission means performs power transmission for charging the secondary battery to the electric vehicle that transmitted the specific information.
  • the secondary battery of the electric vehicle is charged without exchanging charges on the spot.
  • the predetermined position is, for example, a road on which the electric vehicle travels or a parking lot where the electric vehicle is parked.
  • the charging device charges a fee according to the amount of power transmitted to the electric vehicle by the charging device to the owner of the electric vehicle specified by the specific information.
  • the charging device transmits power to the electric vehicle when surplus power is generated in a power system to which power is supplied.
  • Electric power generated by natural energy such as sunlight and wind power may increase excessively due to instability of natural energy. In such a case, if the excessively increased surplus power is not consumed, the amount of power generation is suppressed or consumed wastefully. Therefore, according to this configuration, when surplus power is generated in the power system, the secondary battery of the electric vehicle is charged, so that the surplus power generated in the power system can be used without being wasted.
  • the charging device increases the transmitted power to the electric vehicle.
  • the electric vehicle transmits, to the charging device, remaining amount information indicating the remaining charge power amount of the secondary battery together with the specific information, and the charging device includes the remaining amount indicated by the remaining amount information.
  • the remaining charge power amount of the secondary battery of the electric vehicle is set to be equal to or higher than the charge power amount that is assumed not to be depleted between the start of charging the secondary battery and a predetermined time. Instead, it is preferable to change the power transmission timing or the transmission power so that the secondary battery is charged.
  • the secondary battery of the electric vehicle is not charged until it is fully charged, but is in a charged state that leaves a free capacity that can be charged.
  • the predetermined time is, for example, a time at which a time period when the electricity rate is lower than the other time periods starts, that is, a time at which so-called midnight power can be used. Therefore, this structure can ensure the free capacity of a secondary battery in the timing suitable for the charge to the secondary battery of an electric vehicle.
  • the electric vehicle transmits, to the charging device, remaining amount information indicating the remaining charge power amount of the secondary battery together with the specific information, and the charging device is on a road on which the electric vehicle is traveling. It is preferable that the time ratio of wireless power transmission is changed based on the remaining amount information for the plurality of electric vehicles that are installed along the road.
  • the time ratio of wireless power transmission is changed based on the remaining amount information with respect to a plurality of electric vehicles traveling on the road by the charging device installed along the road on which the electric vehicle travels.
  • the charging device installed along the road on which the electric vehicle travels.
  • the charging accounting method includes a first step of receiving identification information for identifying an owner of an electric vehicle transmitted from the electric vehicle, and power is supplied from a commercial power system. And a second step of transmitting power for charging a secondary battery from the charging device installed at a predetermined position to the electric vehicle that has transmitted the specific information, and electric power transmitted to the electric vehicle by the charging device. And a third step of charging the electric vehicle owner specified by the specifying information for a charge corresponding to the amount.
  • 1 is a configuration diagram of a charging system for an electric vehicle according to a first embodiment of the present invention. It is a functional block diagram which shows the function of the charging device and management center in the charging system for electric vehicles which concerns on 1st Embodiment of this invention. It is a flowchart which shows the flow of the charge process which concerns on 1st Embodiment of this invention. It is a flowchart which shows the flow of the surplus electric power generation process which concerns on 1st Embodiment of this invention. It is a flowchart which shows the flow of the charge process which concerns on 2nd Embodiment of this invention.
  • FIG. 1 is a schematic diagram of an electric vehicle charging system 10 according to the first embodiment.
  • the electric vehicle charging system 10 includes a charging device 12 and a management center 14, and the secondary battery 18 (see FIG. 2) of the electric vehicle 16 is charged by the charging device 12.
  • the electric vehicle 16 is not limited to an electric vehicle driven by only the electric power charged in the secondary battery 18, but is a hybrid vehicle in which the secondary battery can be externally charged (plug-in hybrid). Car).
  • the charging device 12 is installed at a predetermined position, and performs power transmission for charging the secondary battery 18 to the electric vehicle 16 by power supplied from a commercial power system 20 (see FIG. 2).
  • the charging device 12 according to the first embodiment is installed along the road on which the electric vehicle 16 travels, and transmits power to the traveling electric vehicle 16 by wireless power transmission such as electromagnetic waves (for example, microwaves). More specifically, the electric vehicle 16 transmits vehicle information whose details will be described later as a reference signal.
  • the charging device 12 receives the reference signal, the electric vehicle 16 performs wireless power transmission toward the direction in which the reference signal is transmitted, The secondary battery 18 of the electric vehicle 16 is charged.
  • the charging device 12 transmits charging power amount information indicating the amount of power transmitted to the electric vehicle 16 to the management center 14.
  • the management center 14 performs a billing process based on the charging power amount information transmitted from the charging device 12 and includes the owner of the electric vehicle 16 (including contractors, individuals, and corporations that can use the charging device 12). Charge the charge.
  • FIG. 2 is a functional block diagram showing functions of the charging device 12 and the management center 14 in the electric vehicle charging system 10 according to the first embodiment.
  • the electric vehicle 16 includes a transmission unit 22 and a power reception unit 24 together with the secondary battery 18.
  • the transmission unit 22 transmits remaining amount information indicating the remaining charge power amount of the secondary battery 18 and vehicle information including ID (Identification) information unique to the electric vehicle 16 to the charging device 12.
  • ID information is information for specifying the electric vehicle 16 and is associated with information indicating the owner of the electric vehicle 16 (for example, the address and name of the owner).
  • the power receiving unit 24 receives the power transmitted from the charging device 12 and charges the secondary battery 18.
  • the electric vehicle 16 that receives power by wireless power transmission according to the first embodiment includes a power receiving unit 24 on the roof.
  • the charging device 12 includes a receiving unit 26 and a power transmission unit 28.
  • the receiving unit 26 receives vehicle information from the electric vehicle 16 and outputs the vehicle information to the management center 14.
  • the power transmission unit 28 receives a charging command indicating the amount of power transmitted to the electric vehicle 16 from the management center 14 and transmits power to the power receiving unit 24 based on the charging command. In addition, after the power transmission to the electric vehicle 16 is completed, the power transmission unit 28 outputs the charging power amount information to the management center 14.
  • the management center 14 includes a control device 30 and a billing device 32.
  • the control device 30 calculates a charge command based on the remaining amount information included in the vehicle information output from the charging device 12 and outputs the charge command to the charging device 12.
  • the charging device 32 calculates a charging fee for the owner of each electric vehicle 16 based on the charging power amount information for each electric vehicle 16 output from the charging device 12.
  • the charging fee is determined by various methods, for example, calculated by multiplying the charging power amount for each electric vehicle 16 by a predetermined value on a monthly basis, or a fixed amount regardless of the charging power amount.
  • the management center 14 charges the charging fee to the owner of the electric vehicle 16 by withdrawing the charging fee from a bank account registered in advance or issuing a bill.
  • the control device 30 and the billing device 32 are composed of, for example, a CPU (Central Processing Unit), a RAM (Random Access Memory), a computer-readable recording medium, and the like.
  • a series of processes for realizing various functions of the control device 30 and the billing device 32 is recorded on a recording medium or the like in the form of a program as an example.
  • Various functions are realized by executing the machining / calculation process.
  • a solar cell and a wind power generator are linked to the power system 20 in order to generate electric power by natural energy such as sunlight and wind power.
  • a power measuring device 34 that measures the power of the power system 20 is provided in the power transmission network of the power system 20. When the measurement result is larger than the reference power, the power measurement device 34 outputs surplus power information indicating that surplus power has occurred in the power system 20 to the control device 30 provided in the management center 14.
  • FIG. 3 shows the control device 30 when the electric vehicle 16 is located at a charging position where the charging device 12 can be charged and vehicle information from the electric vehicle 16 is input to the control device 30 via the charging device 12. It is a flowchart which shows the flow of the process (henceforth "charge process") performed.
  • step 100 a charge command is calculated based on the remaining amount information included in the vehicle information.
  • the charge command is, for example, a command to fully charge the secondary battery 18 of the electric vehicle 16 that has transmitted the vehicle information.
  • the charging command determines the remaining charge power amount of the secondary battery 18 between the start of charging of the secondary battery 18 and the predetermined time based on the remaining charge power amount indicated by the remaining amount information. It is set as a command for charging the secondary battery 18 without exceeding the charging power amount (hereinafter referred to as “predicted required power amount”) that is assumed to be sufficient.
  • the predetermined time is, for example, a time at which a time period when the electricity rate is lower than other time periods, that is, a time when supply of midnight power is started, and is periodically applied to the secondary battery 18 of the electric vehicle 16.
  • Charging time hereinafter referred to as “periodic charging start time”.
  • the predicted required power amount is the amount of power that should be charged to the secondary battery 18 in order not to run out of electricity even when the electric vehicle 16 is run until the regular charging start time.
  • the predicted required power amount is calculated based on the power consumption information indicating the temporal change in the past power consumption of the electric vehicle 16.
  • the power consumption information is a temporal change in the past power consumption of the electric vehicle 16.
  • the power consumption information is stored in the storage means (not shown) included in the control device 30 for each electric vehicle 16. Is remembered.
  • the control device 30 determines the past (for example, several years) in the time interval from the start of charging the secondary battery 18 to the regular charging start time based on the stored power consumption information. Min) and a variance value of past power consumption in the time interval are calculated. Then, the control device 30 calculates the predicted required power amount based on the calculated average value and variance value.
  • the start of charging the secondary battery 18 is the time when the electric vehicle 16 is positioned at the charging position for charging, that is, the time when the vehicle information is transmitted from the electric vehicle 16 to the charging device 12. In the following description, “when charging of the secondary battery 18 starts” is also expressed as “current”.
  • a standard deviation is used as the variance value.
  • 3 ⁇ is used as the standard deviation, but not limited to this, ⁇ , 2 ⁇ , 4 ⁇ , or the like may be used as the standard deviation. Note that, by using 3 ⁇ as the standard deviation, the predicted required power amount that takes into account the case where the power consumption amount of the electric vehicle 16 suddenly becomes excessive is calculated.
  • Equation (1) is an example of an arithmetic expression for calculating the predicted required electric energy using the Pays theorem.
  • Equation (1) is a standard of the historical density of power consumption at the time, day of the week, day, and month as the best estimate of the historical density of power consumption from the current time t1 to the regular charging start time t2.
  • the best estimated value is a conditional probability distribution, and more specifically, an average value between the current time t1 of the day of the week, the day, and the month and the periodic charging start time t2.
  • control apparatus 30 calculates the charge instruction
  • the control apparatus 30 does not need to charge the secondary battery 18 rapidly when the remaining charge power amount is less than the predicted required power amount but is greater than or equal to a predetermined ratio (for example, 70%) of the predicted required power amount.
  • a charge command for transmitting the transmission power at a reference value or less (for example, 50%) is calculated. If the remaining charge power amount is a predetermined ratio or less, a charge command for transmitting the transmission power at the reference value is calculated.
  • the charging command is configured by, for example, transmission power and transmission time.
  • the calculated charging command is output to the charging device 12.
  • the charging device 12 transmits power to the electric vehicle 16 that has transmitted the vehicle information based on the transmitted power and the transmission time indicated by the charging command. Thereby, the secondary battery 18 of the electric vehicle 16 is charged without exchanging charges on the spot.
  • the charging device 12 outputs charging power amount information to the control device 30.
  • step 104 the process waits until the charging power amount information output from the charging device 12 is input.
  • the process proceeds to step 106.
  • the charging power amount information may be the amount of power itself transmitted to the electric vehicle 16 by the charging device 12 or the amount of power actually charged in the secondary battery 18 of the electric vehicle 16.
  • the amount of power actually charged in the secondary battery 18 is calculated by the electric vehicle 16 sequentially transmitting the remaining amount information to the charging device 12, thereby calculating the difference between the remaining charged energy before and after the end of power transmission. Is required.
  • the charging device 32 calculates a charging fee for the owner indicated by the ID information included in the vehicle information based on the electric energy indicated by the charging electric energy information.
  • the charging fee is, for example, a monthly fixed amount system
  • processing corresponding to the fixed amount system for example, storing only the date and time of charging and the amount of power used
  • step 106 When the process of step 106 is completed, the charging process is terminated.
  • the electric vehicle charging system 10 transmits power to the electric vehicle 16 when surplus power is generated in the power system 20 to which power is supplied. Generation of surplus power is detected by inputting surplus power information from the power measuring device 34 to the control device 30.
  • Electric power generated by natural energy such as sunlight and wind power may increase excessively due to instability of natural energy. In such a case, if the excessively increased surplus power is not consumed, the amount of power generation is suppressed or consumed wastefully. Therefore, according to the electric vehicle charging system 10 according to the first embodiment, when the surplus power is generated in the power system 20, the secondary battery 18 of the electric vehicle 16 is charged. It can be used without wasting the surplus power.
  • FIG. 4 is a flowchart showing a flow of processing (hereinafter referred to as “surplus power generation processing”) executed by the control device 30 when surplus power information is input to the control device 30.
  • step 200 it is determined whether or not the electric vehicle 16 is located at a charging position where the charging device 12 can transmit power. If the determination is affirmative, the process proceeds to step 202. If the determination is negative, the surplus is determined. The power generation process is terminated. Note that the determination process in step 200 is determined based on whether vehicle information is input to the control device 30 via the charging device 12. That is, it is determined that the electric vehicle 16 is located at the charging position when the vehicle information is input to the control device 30.
  • step 202 a charge command for fully charging the secondary battery 18 of the electric vehicle 16 is calculated.
  • the reason for setting the charge command for full charge is to consume surplus power as much as possible.
  • produced since the free capacity of the secondary battery 18 is ensured, surplus electric power generate
  • Control device 30 may calculate a command for increasing the transmission power to electric vehicle 16 as the charging command. As a result, when surplus power is generated in the power system 20, the secondary battery 18 of the electric vehicle 16 is charged more frequently, so that the surplus power generated in the power system 20 can be used without being wasted. For example, if the transmission power in a normal case where surplus power is not generated is 100 W, the transmission power when surplus power is generated is 150 W.
  • the calculated charging command is output to the charging device 12.
  • step 206 the process waits until the charging power amount information output from the charging device 12 is input.
  • the process proceeds to step 208.
  • step 208 the charging device 32 calculates a charging fee for the owner indicated by the ID information included in the vehicle information based on the electric energy indicated by the charging electric energy information, and the charging process is terminated.
  • the electric vehicle charging system 10 includes the receiving unit 26 that receives the specific information transmitted from the electric vehicle 16 for specifying the owner of the electric vehicle 16, and the commercial vehicle.
  • a power supply unit 28 configured to transmit power for charging the secondary battery 18 to the electric vehicle 16 that is supplied with power from the power system 20 and transmits the specific information;
  • a charging device 32 that charges the owner of the electric vehicle specified by the specific information for a fee corresponding to the amount of power transmitted to the electric vehicle 16 by the charging device 12.
  • the configuration of the electric vehicle charging system 10 according to the second embodiment is the same as the configuration of the electric vehicle charging system 10 according to the first embodiment shown in FIGS.
  • the charging device 12 installed along the road on which the electric vehicle 16 travels transmits power to a plurality of electric vehicles 16 traveling on the road.
  • FIG. 5 is a flowchart showing the flow of the charging process according to the second embodiment.
  • the same steps as those in FIG. 3 are denoted by the same reference numerals as those in FIG. 3, and the description thereof is partially or entirely omitted.
  • step 300 it is determined whether or not a plurality of electric vehicles 16 are located at a charging position where one charging device 12 can transmit power. If the determination is affirmative, the process proceeds to step 302, and the determination is negative. Shifts to Step 100. The determination process in step 300 determines whether or not a plurality of vehicle information is input to the control device 30 via the charging device 12.
  • step 302 a charging command is calculated for each electric vehicle 16 that is input and corresponds to a plurality of vehicle information.
  • step 302 the control device 30 calculates a charging command for each electric vehicle 16 based on the remaining amount information included in the vehicle information for each electric vehicle 16 so that the time ratio of wireless power transmission from the charging device 12 changes. The process proceeds to step 102.
  • control device 30 calculates the charging command so that the time ratio of wireless power transmission to the electric vehicle 16 having a lower remaining charge power amount indicated by the remaining amount information is increased.
  • the charging device 12 rotates the power transmission unit 28 so as to transmit power to each electric vehicle 16 at a time ratio (time division) based on the charging command.
  • the electric vehicle charging system 10 is more charged even when a plurality of electric vehicles 16 are traveling. It is possible to charge the electric vehicle 16 that needs to be charged.
  • a plurality of charging commands for changing the transmission timing or the transmission power based on the remaining charge power amount and the predicted required power amount indicated by the remaining amount information are provided. It may be calculated for each electric vehicle 16.
  • the present invention is not limited to this, and the charging device 12 is used for commercial use such as temporary use or monthly use. It is good also as a form installed adjacent to the parking lot of this, and the parking lot of a commercial facility, and the charging device 12 is good also as a form installed adjacent to the parking lot of a general house.
  • command is the charging device 12 It may be calculated and charged at the management center 14.

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Finance (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Development Economics (AREA)
  • Economics (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Secondary Cells (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

L'invention concerne un système de charge de véhicule électrique (10) qui comporte un chargeur (12) installé dans une position prédéterminée et un dispositif de facturation (32). Le chargeur (12) comprend : une unité de réception (26) pour recevoir des informations de spécification utilisées pour spécifier un propriétaire du véhicule électrique (16), les informations de spécification étant transmises à partir du véhicule électrique (16) ; et une unité de transmission d'énergie (28) pour transmettre, au véhicule électrique (16) qui a transmis les informations de spécification, de l'énergie pour charger un accumulateur électrique (18), l'unité de transmission d'énergie (28) se voyant fournir de l'énergie en provenance d'un système électrique d'un réseau commercial (20). Le dispositif de facturation (32) facture le propriétaire du véhicule électrique spécifié par les informations de spécification selon la quantité d'énergie transmise au véhicule électrique (16) par le chargeur (12). Par conséquent, le système de charge de véhicule électrique (10) peut calculer facilement le montant à payer selon l'énergie transmise du chargeur immobile au véhicule électrique.
PCT/JP2013/067622 2012-06-29 2013-06-27 Système de charge de véhicule électrique et procédé de facturation de charge WO2014003106A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201380020032.1A CN104246817A (zh) 2012-06-29 2013-06-27 电动车充电系统以及充电收费方法
IN9496DEN2014 IN2014DN09496A (fr) 2012-06-29 2014-11-12
PH12014502637A PH12014502637A1 (en) 2012-06-29 2014-11-25 Electric vehicle charging system and charging and billing method

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JP2012-147352 2012-06-29
JP2012147352A JP2014010665A (ja) 2012-06-29 2012-06-29 電気自動車充電システム及び充電課金方法

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