WO2022172046A1 - 充放電制御システム及び充放電制御方法 - Google Patents
充放電制御システム及び充放電制御方法 Download PDFInfo
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- WO2022172046A1 WO2022172046A1 PCT/IB2021/000084 IB2021000084W WO2022172046A1 WO 2022172046 A1 WO2022172046 A1 WO 2022172046A1 IB 2021000084 W IB2021000084 W IB 2021000084W WO 2022172046 A1 WO2022172046 A1 WO 2022172046A1
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- Prior art keywords
- charging
- discharging
- permission request
- request signal
- received
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- 238000000034 method Methods 0.000 title claims description 37
- 238000007599 discharging Methods 0.000 claims abstract description 187
- 238000013475 authorization Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 description 88
- 238000012545 processing Methods 0.000 description 36
- 238000004891 communication Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000010365 information processing Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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Classifications
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- 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
-
- 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
-
- 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
- B60L53/66—Data transfer between charging stations and vehicles
-
- 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
-
- 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
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/576—Devices or arrangements for the interruption of current in response to theft
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a charge/discharge control system and a charge/discharge control method.
- Patent Document 1 An authentication system for preventing unauthorized use of charging facilities for charging EVs has been disclosed (Patent Document 1).
- an authentication server creates service connection information in response to a request from an in-vehicle communication device, transmits the service connection information to the in-vehicle communication device and the service providing device (charging facility), Furthermore, the information necessary for authentication is transmitted to the in-vehicle communication device.
- the in-vehicle communication device sends the acquired service connection information and information required for authentication to the service providing device, and the service providing device sends the received information required for authentication to the authentication server, and receives authentication from the authentication server. Receive validation results for the correctness of required information. This prevents unauthorized use of the charging facility.
- the authentication system described in Patent Document 1 requires mutual communication between the vehicle-mounted device and the authentication server and between the service providing device and the authentication server. Furthermore, the authentication server must generate service information in response to requests sent from each vehicle-mounted device, and collectively verify the validity of information required for authentication sent from the service-providing device. . Therefore, the processing load on the authentication server increases as the number of on-vehicle devices that support the authentication server increases, and the cost increases. Furthermore, mutual communication between the in-vehicle device and the authentication server and between the service providing device and the authentication server increases communication costs and cyber security costs.
- the present invention has been made in view of the above problems, and its object is to prevent unauthorized use of charging and discharging equipment, and to reduce the cost related to authentication when charging and discharging. It is to provide a system and a charge/discharge control method.
- a charge/discharge control system is a charge/discharge control system in which each charge/discharge element autonomously controls charge/discharge, and a control signal is sent to a plurality of charge/discharge elements that perform charge/discharge.
- An external control device for broadcast transmission and an authentication device for permitting charging/discharging of each charging/discharging element are provided.
- the charging/discharging element that has received the control signal transmits to the approval device a permission request signal requesting permission for charging/discharging, which is a permission request signal based on the received control signal.
- the approval device Upon receiving the permission request signal, the approval device determines whether the permission request signal is based on the control signal received by the charge/discharge element, and determines whether the permission request signal is based on the control signal received by the charge/discharge element. When it is determined that it is, a power line for charging/discharging is connected to the charging/discharging element.
- FIG. 1 is a block diagram showing the configuration of the charge/discharge control system according to the first embodiment.
- FIG. 2 is a schematic diagram showing the configuration of the charge/discharge control system according to the first embodiment.
- FIG. 3 is a flowchart showing processing of the charge/discharge control system according to the first embodiment.
- FIG. 4 is a block diagram showing the configuration of a charge/discharge control system according to the second embodiment.
- FIG. 5A is a diagram showing an example of a control signal that is broadcast.
- 5B is a graph (part 1) showing an example of a permission request signal in the charge/discharge control system according to the second embodiment;
- FIG. 5C is a graph (part 2) showing an example of a permission request signal in the charge/discharge control system according to the second embodiment
- FIG. FIG. 6 is a flowchart showing processing of the charge/discharge control system according to the second embodiment.
- FIG. 7 is a block diagram showing the configuration of a charge/discharge control system according to the third embodiment.
- FIG. 8A is a flowchart (Part 1) showing processing of the charge/discharge control system according to the third embodiment.
- FIG. 8B is a flowchart (part 2) showing processing of the charge/discharge control system according to the third embodiment.
- FIG. 9 is a diagram showing an example of control signals in the charge/discharge control system according to the modification of the third embodiment.
- 10A is a flowchart (Part 1) showing processing of the charge/discharge control system according to the modification of the third embodiment.
- 10B is a flowchart (part 2) showing processing of the charge/discharge control system according to the modification of the third embodiment; FIG.
- the charge/discharge control system in the present invention is a charge/discharge control system in which each charge/discharge element autonomously controls charge/discharge. explain.
- the charge/discharge control system includes an EV 10 (an example of a charge/discharge element), an external control device 20 , an authentication device 50 , and a power supply/reception device 70 .
- EV 10 an example of a charge/discharge element
- external control device 20 an example of a charge/discharge element
- authentication device 50 an authentication device
- power supply/reception device 70 a power supply/reception device
- the EV 10 is a vehicle that supplies electric power from a battery 14 provided in the EV 10 to an electric motor (not shown) and runs using the electric motor as a power source.
- the EV 10 receives power from the power receiving/supplying device 70 via the authentication device 50 when the charging power amount of the battery 14 decreases due to running and discharging (V2H: Vehicle to Home, V2B: Vehicle to Building, V2G: Vehicle to Grid). , to charge the battery 14 .
- the EV 10 When charging the battery 14, the EV 10 receives a control signal 30 from the external control device 20, and transmits a permission request signal 40 based on the received control signal 30, which requests permission for charging/discharging, to the authentication device. 50.
- the authorization request signal 40 transmitted to the authentication device 50 is authenticated by the authentication device 50, the EV 10 can charge and discharge.
- the EV 10 controls charging/discharging power during charging/discharging based on the received control signal 30 .
- the definition of the EV 10 in this embodiment is not limited to a vehicle that uses only an electric motor as a power source, but includes all vehicles that charge a battery by receiving power from a power supply/reception device 70 installed outside the vehicle, such as a plug-in hybrid vehicle. Including vehicles.
- the external control device 20 is installed at a position where the EV 10 that charges and discharges can receive the control signal 30 transmitted from the external control device 20 . For example, it is installed above a position where the EV 10 stops to connect with the power supply/reception device 70 .
- the external control device 20 acquires the total power that can be used by the plurality of charging/discharging EVs 10 from an electric power infrastructure that supplies power via a communication line such as an internet line, and supplies the power to the plurality of charging/discharging EVs 10. wirelessly broadcasts a control signal 30 containing the total power available for charging.
- a control signal 30 transmitted by the external control device 20 is a signal for each of the EVs 10 that perform charging and discharging to autonomously control charging and discharging.
- the external control device 20 controls all power demand, including the total power that can be used by the multiple EVs 10 that charge and discharge, and charges from an aggregator (not shown) that maintains a balance between power demand and supply.
- a plurality of discharging EVs 10 may receive the total power available for charging.
- the external control device 20 acquires the total power that can be currently supplied and the total power consumption that is currently being consumed from the power infrastructure, and calculates the total power that can be used for charging the multiple EVs that are charging and discharging. may
- the authentication device 50 is a power line for the EV 10 to charge and discharge, and is installed on a power line that extends from the power receiving/supplying device 70 and connects the power receiving/supplying device 70 and the EV 10 .
- the authentication device 50 connects/disconnects the power line connecting the power supply/reception device 70 and the EV 10 by connecting/disconnecting the relay unit 53 .
- Authentication device 50 receives permission request signal 40 requesting permission for charging/discharging transmitted from EV 10, and determines whether received permission request signal 40 is permission request signal 40 based on control signal 30 received by EV 10. to judge whether When authentication device 50 determines that received control signal 30 is authorization request signal 40 based on control signal 30 received by EV 10 , authentication device 50 connects EV 10 to a power line for charging and discharging.
- the supply/reception device 70 is a pole-type or wall-mounted transformer and is connected to a transmission line 80 from the power infrastructure.
- the power supply/reception device 70 supplies power to the EV 10 and receives power from the EV 10 .
- the EV 10 includes a receiver 11, a calculator 12, a transmitter 13, a battery 14, and a charge/discharge port 15.
- the receiving unit 11 includes a receiver for receiving the control signal 30 broadcasted by wireless communication from the external control device 20 , and transfers the received control signal 30 to the calculating unit 12 .
- Wireless communication can use a wireless LAN (Local Area Network) such as Wi-Fi (registered trademark) or Bluetooth (registered trademark).
- Wi-Fi registered trademark
- Bluetooth registered trademark
- the transmission unit 13 includes a transmitter for transmitting the permission request signal 40 output by the calculation unit 12 to the authentication device 50 by wireless communication, and transmits the permission request signal 40 to the authentication device 50 .
- the battery 14 stores electric power for driving the electric motor and electric power that is discharged (V2H, V2B, V2G) and used.
- the charging/discharging port 15 is a charging/discharging port for inserting a power line connector 90 extending from the power supply/receiving device 70 .
- the charge/discharge port 15 is connected to the battery 14 via a power line.
- the computing unit 12 is a general-purpose microcomputer equipped with a CPU (Central Processing Unit), memory, and an input/output unit.
- a computer program is installed in the microcomputer for functioning as the calculation unit 12 .
- the microcomputer functions as a plurality of information processing circuits included in the calculation section 12 .
- an example of realizing a plurality of information processing circuits provided in the calculation unit 12 by software is shown. It is also possible to configure Also, a plurality of information processing circuits may be configured by individual hardware.
- the calculation unit 12 outputs the permission request signal 40 to be sent to the authentication device 50, calculates the charging/discharging power when the EV 10 is charged/discharged, and controls the charging/discharging power of the EV 10.
- the calculation unit 12 When the EV 10 performs charging/discharging, the calculation unit 12 outputs a permission request signal 40 requesting permission for charging/discharging to the authentication device 50 . Specifically, when the calculating unit 12 acquires the connector number of the connector 90 of the power line extending from the power supply/receiving device 70 and determines that the connector 90 is connected to the charge/discharge port 15 of the EV 10, the control signal 30 Start receiving. When the control signal 30 is received, the calculation unit 12 outputs a signal certifying that the control signal 30 has been received, which is preset with the authentication device 50 , as the permission request signal 40 .
- the calculating unit 12 When the charging/discharging of the EV 10 is started, the calculating unit 12 counts the time after the charging/discharging is started, and when the charging/discharging electric energy of the battery 14 is less than the threshold charging/discharging electric energy, the charging/discharging is stopped. A permission request signal 40 is output each time the first threshold time elapses after the start. If the charge/discharge power amount of the battery 14 after the first threshold time has passed is equal to or greater than the threshold charge/discharge power amount, the calculation unit 12 determines that the charge/discharge is completed, and outputs a permission request signal 40. do not do. As a result, power reception from and power supply to the power supply/reception device 70 are stopped, and charging/discharging of the EV 10 is completed.
- the threshold charging/discharging power amount is the amount of charging or discharging power set by the user of the EV 10 based on the charging power amount of the battery 14 .
- the charge/discharge power amount may be set by SOC (State Of Charge).
- SOC State Of Charge
- the first threshold time varies depending on the charging method of power supply/reception device 70 . For example, when the power supply/reception device 70 is normally charged (3 to 6 kW), the first threshold time is set to 30 minutes. When the power supply/reception device 70 is for rapid charging (20 to 100 kW), the first threshold time is set to 1 minute.
- the EV 10 When the charge/discharge power amount of the battery 14 is less than the threshold charge/discharge power amount, the EV 10 outputs the permission request signal 40 each time the first threshold time elapses after the start of charging/discharging. Charging and discharging can be continued.
- the calculation unit 12 can determine whether or not the EV 10 charges and discharges by determining whether or not the connector number has been acquired. By acquiring the connector number, the computing unit 12 can transmit the authorization request signal 40 to the authentication device 50 connected to the power receiving/supplying device 70 with which the EV 10 charges and discharges. This can prevent crosstalk with permission request signals 40 transmitted by other EVs 10 .
- the connector number may be obtained from the value input to the EV 10 by the user of the EV 10, or from the captured image obtained by the camera provided in the EV 10.
- connection between the connector 90 and the charge/discharge port 15 may be made by the user of the EV 10 himself or may be configured such that the connector 90 is automatically connected to the charge/discharge port 15 .
- the EV 10 and the power receiving/supplying device 70 are connected by wire connection between the connector 90 and the charging/discharging port 15, and the EV 10 is charged/discharged.
- the connection may be wireless charging/discharging by wireless connection.
- the calculation unit 12 electrically connects the power supply/reception unit for wireless power supply corresponding to the connector 90 and the wireless charging/discharging unit corresponding to the charging/discharging port 15 . It is sufficient if it can be confirmed that the connection is possible.
- the permission request signal 40 preset with the authentication device 50 is a password preset between the EV 10 and the authentication device 50, and the password is a string of numbers and characters.
- a user of the EV 10 is given a password by making a contract to use the power receiving/supplying device 70 , and registers the given password in the EV 10 and the authentication device 50 .
- the calculation unit 12 can output the password set in advance with the authentication device 50 as the permission request signal 40 when charging and discharging is started.
- the calculation unit 12 calculates charging power when the EV 10 is charged based on the received control signal 30 . Specifically, the calculation unit 12 calculates the total power available to the plurality of EVs 10 that charge and discharge, the amount of power charged by the EVs 10, the time at which the EVs 10 complete charging and start running, and the time at which the EVs 10 charge. The charging power is calculated in consideration of the time required to obtain the charging power amount.
- the calculation unit 12 calculates the discharge power when the EV 10 discharges. Specifically, when the calculation unit 12 determines that the power supply of the electric power infrastructure is insufficient based on the control signal 30, the discharge power amount that can be discharged by the EV 10 is determined according to the charge power amount of the battery 14. Then, it is determined whether or not the EV 10 can be discharged. When the calculation unit 12 determines that the EV 10 is in a dischargeable state, a message for confirming whether or not to permit discharge and a discharge power amount that can be discharged when discharging are provided in the vehicle interior of the EV 10. Output to monitor. The user of the EV 10 inputs into the EV 10 whether or not the discharge is permitted, and if the discharge is permitted. When the user of the EV 10 permits discharge, the calculation unit 12 calculates the discharge power based on the amount of discharge power input by the user of the EV 10 . In addition, the user of the EV 10 can obtain an incentive according to the amount of discharged power.
- the calculation unit 12 controls the battery 14 and the control circuit provided between the charge/discharge port 15 and the battery 14 to control the charge/discharge power so that the charge/discharge power is calculated.
- a control circuit for controlling charging/discharging power and a control method are configured by a known technique.
- the authentication device 50 includes a receiving section 51 , a computing section 52 , a relay section 53 and a power receiving port 54 .
- the receiving unit 51 has a receiver that receives the permission request signal 40 transmitted from the EV 10 and transfers the received permission request signal 40 to the calculation unit 52 .
- the relay unit 53 is a normally open relay, and when a control current is supplied by the calculation unit 52, the switch is turned on, and is a power line connecting the power supply/receiving device 70 and the EV 10, and the EV 10 charges and discharges. Connect the power line for
- the power receiving port 54 is an outlet for connecting a power line from the authentication device 50 to the connector 90 that connects to the EV 10, and powers the EV 10 and receives power from the EV 10.
- the computing unit 52 is a general-purpose microcomputer including a CPU (Central Processing Unit), a memory, and an input/output unit, and has the same hardware configuration as the computing unit 12.
- a CPU Central Processing Unit
- memory a memory
- input/output unit a hardware configuration as the computing unit 12.
- an example of realizing a plurality of information processing circuits provided in the calculation unit 52 by software is shown. It is also possible to configure Also, a plurality of information processing circuits may be configured by individual hardware.
- the calculation unit 52 determines whether the received permission request signal 40 is the permission request signal 40 based on the control signal received by the EV 10 . Specifically, it determines whether or not the received permission request signal 40 is a signal preset with the authentication device 50 and a password preset between the EV 10 and the authentication device 50. do. When the calculation unit 52 determines that the received permission request signal 40 is a signal set in advance with the authentication device 50, the calculation unit 52 controls the relay unit 53 to connect to the power line for charging and discharging. to connect.
- the calculation unit 52 counts the time from when the charging and discharging of the EV 10 is started, and determines whether or not the permission request signal 40 has been received when the first threshold time has elapsed. Note that the counting start timing of the time from the start of charging/discharging counted by the computing unit 52 is the same as that of the computing unit 12 . When the calculation unit 52 determines that the permission request signal 40 has been received after the first threshold time has passed since the charging/discharging of the EV 10 is started, the power line for charging/discharging the EV 10 is continued. to connect.
- the first threshold time is the same as the first threshold time set for EV10.
- the calculation unit 52 performs the third threshold time after the first threshold time has passed. It may be determined whether or not the permission request signal 40 has been received before the elapse of the threshold time.
- the third threshold time is, for example, 1 second.
- the installation position of the authentication device 50 is not limited to this.
- the authentication device 50 may be installed in the power receiving/supplying device 70, or may be installed between the power receiving/supplying device 70 and the power infrastructure.
- FIG. 3 describes the processing of each of the EV 10, the external control device 20, and the authentication device 50.
- a charging/discharging control system the processing from when the EV 10 starts charging/discharging to when the charging/discharging of the EV ends is described. explain.
- the processing of the EV 10 is started at the same time that the power switch of the EV 10 is turned ON, and ends when it is determined that the charge/discharge power amount of the battery 14 has reached or exceeded the threshold charge/discharge power amount.
- the external control device 20 and the authentication device 50 continue processing as long as the power is on.
- step S10 the calculation unit 12 determines whether or not the connector number of the connector 90 of the power line extending from the power supply/reception device 70 has been acquired. If the calculation unit 12 determines that the connector number has not been acquired (NO in step S10), the processing ends.
- step S10 when the calculation unit 12 determines that the connector number has been acquired (YES in step S10), the process proceeds to step S11.
- step S11 the calculation unit 12 determines whether or not the connector 90 is connected to the charging/discharging port 15 of the EV10.
- calculating unit 12 determines that connector 90 is not connected to charging/discharging port 15 of EV 10 (NO in step S11)
- step S11 when the calculation unit 12 determines that the connector 90 is connected to the charge/discharge port 15 of the EV 10 (YES in step S11), the process proceeds to step S20.
- step S20 the calculation unit 12 starts receiving the control signal 30 and acquires the received control signal 30.
- the calculation unit 12 transmits to the authentication device 50 a permission request signal 40 based on the received control signal 30 and requesting permission for charging and discharging. Specifically, a signal certifying that the control signal 30 has been received and a signal preset with the authentication device 50 is output as the permission request signal 40 .
- step S40 the calculation unit 52 determines whether or not the permission request signal 40 has been received.
- calculating unit 52 determines that permission request signal 40 has not been received (NO in step S40)
- processing proceeds to step S60.
- step S40 when the calculation unit 52 determines that the permission request signal 40 has been received (YES in step S40), the process proceeds to step S50.
- step S50 the calculation unit 52 determines whether or not the received permission request signal 40 is based on the control signal 30 received by the EV 10. Specifically, it determines whether or not the received permission request signal 40 is a signal preset with the authentication device 50 . When the calculation unit 52 determines that the received permission request signal 40 is not the permission request signal 40 based on the control signal 30 received by the EV 10 (NO in step S50), the process proceeds to step S60.
- step S50 when the calculation unit 52 determines that the received permission request signal 40 is the permission request signal 40 based on the control signal 30 received by the EV 10 (YES in step S50), the process proceeds to step S70.
- step S60 the calculation unit 52 controls the relay unit 53 to disconnect and disconnects the power line for charging and discharging the EV10. Note that, when the relay unit 53 is already disconnected, the calculation unit 52 maintains the disconnected state.
- step S70 the calculation unit 52 controls to connect the relay unit 53, and connects the power line for charging and discharging the EV10.
- the process branches here and proceeds to steps S80 and S90. It should be noted that the processing after step S110 of the computing unit 12 and the processing after step S90 of the computing unit 52 are performed at the same time.
- step S80 the calculation unit 12 starts charging and discharging.
- the calculation unit 12 controls the battery 14 and the control circuit to control the charge/discharge power so that the charge/discharge power is calculated based on the received control signal 30 .
- step S110 the calculation unit 12 counts the time from the start of charging/discharging. Proceeding to step S120, the calculation unit 12 determines whether or not the time from the start of charging/discharging has passed the first threshold time.
- step S120 if the calculation unit 12 determines that the time from the start of charging/discharging has not passed the first threshold time (NO in step S120), the time from the start of charging/discharging remains in step S120 until elapses of the first threshold time.
- step S120 when the calculation unit 12 determines that the time from the start of charging/discharging has passed the first threshold time (YES in step S120), the process proceeds to step S130.
- step S130 the calculation unit 12 determines whether or not the charge/discharge power amount of the battery 14 is equal to or greater than the threshold charge/discharge power amount.
- calculating unit 12 determines that the charging/discharging power amount of battery 14 is equal to or greater than the threshold charging/discharging power amount (YES in step S130)
- calculation unit 12 determines that charging/discharging of EV 10 is completed, and terminates the process. Charging and discharging of the EV 10 is completed.
- step S130 when the calculation unit 12 determines that the charge/discharge power amount of the battery 14 is less than the threshold charge/discharge power amount (NO in step S130), the process returns to step S20.
- the calculation unit 12 can transmit the permission request signal 40 for continuing charging and discharging by executing the processing after step S20 again.
- step S90 the calculation unit 52 counts the time after charging/discharging is started. Proceeding to step S100, the calculation unit 52 determines whether or not the time from the start of charging/discharging has passed the first threshold time.
- step S100 when calculating unit 52 determines that the time from the start of charging/discharging has not passed the first threshold time (NO in step S100), the time from the start of charging/discharging remains in step S100 until elapses of the first threshold time.
- step S100 when the calculation unit 52 determines that the time from the start of charging/discharging has passed the first threshold time (YES in step S100), the processing ends, and the processing from step S40 is performed. Try again. Accordingly, when the authentication device 50 receives the permission request signal 40 , the authentication device 50 can continuously supply power to the EV 10 and receive power from the EV 10 .
- the EV 10 When requesting permission for charging/discharging, the EV 10 receives a control signal 30 broadcast from the external control device 20 to the plurality of EVs 10 that are to be charged/discharged, and receives a permission request signal based on the control signal 30. , a permission request signal 40 requesting permission for charging/discharging is transmitted to the authentication device 50 . Upon receiving the permission request signal 40 from the EV 10 , the authentication device 50 determines whether the permission request signal 40 is the permission request signal 40 based on the control signal 30 received by the EV 10 . This allows authentication device 50 to determine whether EV 10 complies with control signal 30 transmitted from external control device 20 .
- the authentication device 50 determines that the control signal 30 received from the EV 10 is the permission request signal 40 based on the control signal 30 received by the EV 10, the authentication device 50 connects the EV 10 to a power line for charging and discharging. Accordingly, the power supply/reception device 70 can supply power to the EV 10 that charges according to the control signal 30 and receive power from the EV 10 that discharges according to the control signal 30 .
- Each EV 10 autonomously controls charging and discharging based on the control signal 30. This eliminates the need for an aggregator for managing the charge/discharge power of each EV 10, thus reducing the cost of equipment.
- the EV 10 does not require mutual communication with the external control device 20 and the authentication device 50 when requesting permission for charging and discharging, it is possible to reduce communication and cybersecurity costs.
- the EV 10 transmits a signal certifying that it has received the control signal 30 and a signal set in advance with the authentication device 50 as the permission request signal 40 .
- authentication device 50 determines whether or not received permission request signal 40 is a signal preset with authentication device 50 , thereby allowing EV 10 to operate according to control signal 30 from external control device 20 . It is possible to determine whether there is
- the EV 10 counts the time after charging/discharging is started, and if the charging/discharging power amount of the EV 10 is less than the threshold charging/discharging power amount, the first threshold time elapses after the charging/discharging is started.
- a permission request signal 40 is transmitted every time.
- the authentication device 50 counts the time from the start of charging/discharging, and when it determines that the authorization request signal 40 has been received when the first threshold time elapses, the EV 10 is charged/discharged. continue to connect power lines. As a result, the authentication device 50 can continuously confirm that the EV 10 is being charged and discharged according to the control signal 30, and after initially permitting charging and discharging, interrupts the control signal 30 and returns to the control signal 30. It is possible to prevent charging and discharging of the EV 10 that does not comply.
- the difference from the first embodiment is that the external control device 20 broadcasts the control signal 30 to a plurality of authentication devices 50 in addition to the plurality of EVs 10 that charge and discharge, and the authentication device 50 transmits the control signal 30. It is a partial process of the calculation unit 12 and the calculation unit 52 for receiving. Therefore, only the different processing of the calculation unit 12 and the calculation unit 52 will be described, and the description of the other common configurations will be omitted.
- the calculation unit 12 outputs the received control signal 30 or a signal obtained by editing the received control signal 30 as the permission request signal 40 .
- the calculation unit 52 determines whether the received permission request signal 40 is the control signal 30 received at the same time as the permission request signal 40 or a signal obtained by editing the control signal 30 .
- FIG. 5A is a diagram showing the control signal 30 transmitted from the external control device 20 in chronological order. do.
- FIG. 5B shows an example of the permission request signal 41 output by the calculation unit 12.
- the calculation unit 12 when the current time is T6, the calculation unit 12 outputs 41T6 as the permission request signal 40.
- the permission request signal 41T6 has the same value as the control signal 30 transmitted by the external control device 20 at time T6. All permission request signals 41T1 to 41T6 have the same value as the control signal 30 transmitted from time T1 to T6.
- the calculation unit 12 outputs the received control signal 30 as the permission request signal 41 .
- FIG. 5C shows an example of the permission request signal 42 output by the calculation unit 12.
- the calculation unit 12 when the current time is T6, the calculation unit 12 outputs 42T6 as the permission request signal.
- Permission request signal 42T6 is the average value of the value of control signal 30 transmitted from external control device 20 at time T6 and the value of control signal 30 transmitted at time T5, which is the previous transmission value of control signal 30 .
- All the permission request signals 42T1 to 42T6 are average values of the control signal 30 transmitted at each time and the previous transmission value of the control signal 30 transmitted at each time.
- the calculation unit 12 outputs a signal obtained by editing the control signal 30 as the permission request signal 41 .
- a method of editing the control signal 30 is shared in advance between the calculation unit 12 and the calculation unit 52 .
- step S21 is further provided, and that the processing of steps S31 and S51 is performed instead of the processing of steps S30 and S50. Therefore, only the difference will be described, and description of other common processes will be omitted.
- step S21 the computing unit 52 acquires the control signal 30 received by the receiving unit 51.
- step S ⁇ b>31 the calculation unit 12 outputs the received control signal 30 or a signal obtained by editing the received control signal 30 as the permission request signal 40 .
- step S51 the calculation unit 52 determines whether the received permission request signal 40 is the control signal 30 received at the same time as the permission request signal 40 or a signal obtained by editing the control signal 30.
- the external control device 20 broadcasts the control signal 30 to a plurality of authentication devices 50 in addition to the plurality of EVs 10 that charge and discharge, and the EV 10 receives the control signal 30 or edits the received control signal 30.
- the signal is sent to the authentication device 50 as the authorization request signal 40 .
- the authentication device 50 receives the control signal 30 and the permission request signal 40, and determines that the permission request signal 40 is the control signal 30 received at the same time as the permission request signal 40 or a signal obtained by editing the control signal 30.
- a power line for charging and discharging is connected to the EV 10 .
- authentication device 50 can determine whether permission request signal 40 received from EV 10 is based on control signal 30 received at the same time.
- the authentication device 50 can determine whether or not the EV 10 can be charged/discharged based on the determination result. Furthermore, since the permission request signal 40 changes over time based on the control signal 30, the forgery of the permission request signal 40 can be prevented.
- the current measuring unit 55 is connected to the power receiving port 54 and measures the charging/discharging current value of the EV 10 by measuring the value of the current supplied to the EV 10 and the value of the current received from the EV 10 .
- the calculation unit 12 determines whether or not the charging/discharging current value of the EV 10 is equal to or higher than the threshold current value.
- a permission request signal 40 requesting permission for discharge is output.
- the threshold current value is, for example, 70% of the current value that flows when the power supply/reception device 70 and the EV 10 generate the maximum power that can be supplied.
- the calculation unit 52 acquires the charge/discharge current value of the EV 10 measured by the current measurement unit 55, and if the charge/discharge current value of the EV 10 is equal to or greater than the threshold current value, determines whether or not the permission request signal 40 has been received. to decide. If the calculation unit 52 determines that the permission request signal 40 has been received, the calculation unit 52 continues to connect the power line for charging and discharging the EV 10 .
- the threshold current value set in the calculator 52 is the same value as the threshold current value set in the calculator 12 .
- step S141 the calculation unit 12 determines whether the charge/discharge current value of the EV 10 is equal to or greater than the threshold current value.
- calculating unit 12 determines that the charging/discharging current value of EV 10 is less than the threshold current value (NO in step S141)
- the process returns to step S110 to continue charging/discharging.
- step S141 when the calculation unit 12 determines that the charge/discharge current value of the EV 10 is equal to or greater than the threshold current value (YES in step S141), the process returns to step S20.
- the calculation unit 12 can transmit the permission request signal 40 for continuing charging and discharging by executing the processing after step S20 again.
- step S101 the current measuring unit 55 measures the charging/discharging current value of the EV 10 by measuring the current value supplied to the EV 10 and the current value received from the EV 10.
- step S140 the calculation unit 52 acquires the charge/discharge current of the EV 10 measured by the current measurement unit 55, and determines whether the charge/discharge current value of the EV 10 is equal to or greater than the threshold current value.
- the process returns to step S90.
- step S140 when the calculation unit 52 determines that the charging/discharging current value of the EV 10 is equal to or greater than the threshold current value (YES in step S140), the processing ends and the processing from step S21 is executed again. Accordingly, when the authentication device 50 receives the permission request signal 40 , the authentication device 50 can continuously supply power to the EV 10 and receive power from the EV 10 .
- the EV 10 transmits a permission request signal 40 when the charging/discharging current value of the battery 14 exceeds the threshold current value.
- the authentication device 50 further includes a current measuring unit that measures the charging/discharging current of the EV 10 by measuring the value of the current supplied to the EV 10 and the value of the current received from the EV 10. The charging/discharging current of the EV 10 is the threshold current. If it is greater than or equal to the value, it is determined whether or not the permission request signal 40 has been received. When the authentication device 50 determines that the authorization request signal 40 is received, the authentication device 50 continuously connects the power line for charging and discharging the EV 10 .
- the control signal 30 limits the charge/discharge power of the EV 10 that is charging/discharging at a threshold current value or higher. Therefore, when the EV 10 is charging/discharging at the threshold current value or higher, the authentication device 50 determines whether or not the permission request signal 40 is received from the EV 10 , so that the EV 10 charges/discharges according to the control signal 30 . You can judge whether you are doing Also, the EV 10 that is charging/discharging at less than the threshold current value is less likely to have its charging/discharging power limited by the control signal 30 . Therefore, whether or not the permission request signal 40 has been received is not determined for the EV 10 that is charging and discharging at less than the threshold current value. Thereby, the communication cost of the EV 10 and the processing load of the authentication device 50 can be reduced.
- the external control device 20 transmits a control signal 30 to stop charging/discharging of the EV 10 or reduce the charging/discharging power of the EV 10 each time the second threshold time elapses.
- the calculation unit 52 determines that the EV 10 stops charging/discharging in synchronization with the control signal 30 or reduces the charging/discharging power in synchronization with the control signal, the EV 10 is charged/discharged. continue to connect power lines. Specifically, the charging/discharging current of the EV 10 is measured, and the EV 10 stops charging/discharging in synchronization with the control signal 30 based on changes in the charging/discharging current, or decreases the charging/discharging power in synchronization with the control signal 30. determine whether there is
- FIG. 9 is a diagram showing the control signal 30 transmitted from the external control device 20 in chronological order.
- the external control device 20 transmits the total power that can be used by the plurality of EVs 10 that are charging and discharging at the current time, but every time the second threshold time T7 elapses, the control signal stops charging and discharging the EVs 10. 30 for a third threshold time T8.
- the second threshold time is, for example, one hour.
- the third threshold time is, for example, 1 minute.
- step S150 the calculation unit 52 determines whether the EV 10 stops charging/discharging in synchronization with the control signal 30 or decreases charging/discharging power in synchronization with the control signal 30. If the calculation unit 52 determines that the EV 10 has not stopped charging/discharging in synchronization with the control signal 30 or has not lowered the charging/discharging power in synchronization with the control signal 30 (NO in step S150), the process proceeds to step S60. move on.
- step S150 If the calculation unit 52 determines in step S150 that the EV 10 stops charging/discharging in synchronization with the control signal 30 or decreases charging/discharging power in synchronization with the control signal 30 (YES in step S150). , the process proceeds to step S151.
- step S151 the computing unit 52 acquires the control signal 30 received by the receiving unit 51, and returns to step S90.
- the external control device 20 transmits a control signal 30 to stop charging/discharging the EV 10 or reduce the charging/discharging power of the EV 10 each time the second threshold time elapses.
- Authentication device 50 determines whether EV 10 stops charging/discharging in synchronization with control signal 30 or reduces charging/discharging power in synchronization with control signal 30 . Thereby, it can be determined whether or not the EV 10 is charging/discharging according to the control signal 30 . Furthermore, the authentication device 50 can determine whether or not the EV 10 can be charged/discharged with higher accuracy by performing double determination with the permission request signal 40 .
- charge and discharge element (EV) 10 charge and discharge element (EV) 20 external control device 30 control signal 40 permission request signal 50 authentication device 70 power supply/reception device
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Abstract
Description
[充放電制御システムの構成]
図1、図2を参照して、第1実施形態に係る充放電制御システムの構成を説明する。充放電制御システムは、EV10(充放電要素の一例)、外部制御装置20、認証装置50、受給電装置70で構成される。
EV10の構成について具体的に説明する。
認証装置50の構成について具体的に説明する。
次に、図3を参照して、図1に示す充放電制御システムの処理の一例を説明する。図3のフローチャートでは、EV10、外部制御装置20、認証装置50のそれぞれの処理を記載し、充放電制御システムとして、EV10が充放電を開始する時からEVの充放電が終了するまでの処理を説明する。
[充放電制御システムの構成]
図4を参照して、第2実施形態に係る充放電制御システムの構成について説明する。
次に、図6を参照して、図4の充放電制御システムの処理について説明する。第1実施形態との相違点は、ステップS21の処理をさらに備える点、ステップS30及びステップS50の処理に代えて、ステップS31及びステップS51の処理を行う点である。よって当該相違点についてのみ説明し、その他共通する処理については説明を省略する。
[充放電制御システムの構成]
図7を参照して、第3実施形態に係る充放電制御システムの構成について説明する。第2実施形態との相違点は、認証装置50が電流計測部55をさらに備える点、演算部12及び演算部52の一部処理である。よって当該相違点についてのみ説明し、その他共通する構成については説明を省略する。
次に、図8A、図8Bを参照して、図7の充放電制御システムの処理について説明する。第2実施形態との相違点は、ステップS101、ステップS140、ステップS141の処理をさらに備える点である。よって、当該相違点についてのみ説明し、その他共通する処理については説明を省略する。
[充放電制御システムの構成]
第3実施形態の変形例に係る充放電システムの構成について説明する。第3実施形態との相違点は、外部制御装置20が送信する制御信号30、演算部52の一部処理である。よって当該相違点についてのみ説明し、その他共通する処理については説明を省略する。
次に、図10A、図10Bを参照して、第3実施形態の変形例に係る充放電制御システムの処理について説明する。第3実施形態との相違点は、ステップS141の処理が無い点、ステップS101の処理がステップS110でNOの場合に行われる点、ステップS140の処理に代えて、ステップS150、ステップS151の処理が行われる点である。よって、当該相違点についてのみ説明し、その他共通する処理については説明を省略する。
20 外部制御装置
30 制御信号
40 許可依頼信号
50 認証装置
70 受給電装置
Claims (7)
- 充放電要素の各々が自律的に充放電を制御する充放電制御システムであって、
充放電を行う複数の充放電要素に対して制御信号を同報送信する外部制御装置と、
前記充放電要素の各々の充放電を許可する認証装置と、を備え、
前記制御信号を受信した前記充放電要素は、受信した前記制御信号に基づく許可依頼信号であって、充放電の許可を要求する前記許可依頼信号を前記認証装置へ送信し、
前記許可依頼信号を受信した前記認証装置は、
前記許可依頼信号が、前記充放電要素が受信した前記制御信号に基づく許可依頼信号であるか否かを判断し、
前記充放電要素が受信した前記制御信号に基づく許可依頼信号であると判断した場合、前記充放電要素に対して、充放電を行う為の電力線を接続する
充放電制御システム。 - 前記充放電要素は、前記制御信号を受信したことを証明する信号であって、前記認証装置との間で予め設定された信号を前記許可依頼信号として送信し、
前記認証装置は、受信した前記許可依頼信号が前記認証装置との間で予め設定された信号であると判断した場合、前記充放電要素に対して、充放電を行う為の電力線を接続する
請求項1に記載の充放電制御システム。 - 前記充放電要素は、充放電が開始されてからの時間をカウントし、前記充放電要素の充放電電力量がしきい充放電電力量未満である場合、前記充放電が開始されてから第1のしきい時間が経過する毎に前記許可依頼信号を送信し、
前記認証装置は、前記充放電が開始されてからの時間をカウントし、前記第1のしきい時間が経過時に、前記許可依頼信号を受信したと判断した場合、前記充放電要素に対して、充放電を行う為の電力線を継続して接続する
請求項1又は2に記載の充放電制御システム。 - 前記外部制御装置は、前記充放電を行う複数の充放電要素に加え、複数の前記認証装置に前記制御信号を同報送信し、
前記充放電要素は、受信した前記制御信号、又は、受信した前記制御信号を編集した信号を前記許可依頼信号として前記認証装置に送信し、
前記認証装置は、
前記制御信号及び前記許可依頼信号を受信し、
前記許可依頼信号が、前記許可依頼信号と同時刻に受信した前記制御信号、又は前記制御信号を編集した信号であると判断した場合、前記充放電要素に対して、充放電を行う為の電力線を接続する
請求項1又は3の何れか一項に記載の充放電制御システム。 - 前記充放電要素は、前記充放電要素の充放電電流値がしきい電流値以上となった場合、前記許可依頼信号を送信し、
前記認証装置は、
前記充放電要素への給電電流値、及び、前記充放電要素からの受電電流値を計測することにより、前記充放電要素の充放電電流値を計測する電流計測部をさらに備え、
前記充放電要素の充放電電流値が前記しきい電流値以上となった場合、前記許可依頼信号を受信しているか否かを判断し、
前記許可依頼信号を受信していると判断した場合、前記充放電要素に対して、充放電を行う為の電力線を継続して接続する
請求項1から4のいずれか一項に記載の充放電制御システム。 - 前記外部制御装置は、前記充放電要素の充放電を停止する、又は、前記充放電要素の充放電電力を低下させる前記制御信号を第2のしきい時間が経過する毎に送信し、
前記認証装置は、
前記充放電要素が、前記制御信号と同期して充放電を停止、又は、前記制御信号と同期して充放電電力を低下させていると判断した場合、前記充放電要素に対して、充放電を行う為の電力線を継続して接続する
請求項5に記載の充放電制御システム。 - 充放電要素の各々が自律的に充放電を制御する充放電制御方法であって、
外部制御装置が充放電を行う複数の充放電要素に対して制御信号を同報送信し、
前記制御信号を受信した前記充放電要素は、受信した前記制御信号に基づく許可依頼信号であって、充放電の許可を要求する前記許可依頼信号を認証装置へ送信し、
前記許可依頼信号を受信した前記認証装置は、
前記許可依頼信号が、前記充放電要素が受信した前記制御信号に基づく許可依頼信号であるか否かを判断し、
前記充放電要素が受信した前記制御信号に基づく許可依頼信号であると判断した場合、前記充放電要素に対して、充放電を行う為の電力線を接続することにより、前記充放電要素の各々の充放電を許可する
充放電制御方法。
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US18/276,577 US20240116378A1 (en) | 2021-02-10 | 2021-02-10 | Charge-discharge control system and charge-discharge control method |
CN202180093030.XA CN116830354A (zh) | 2021-02-10 | 2021-02-10 | 充放电控制系统以及充放电控制方法 |
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JP2011217600A (ja) * | 2010-03-31 | 2011-10-27 | General Electric Co <Ge> | 制御型配電変圧器、及び該変圧器を製造する方法 |
JP2012039685A (ja) * | 2010-08-04 | 2012-02-23 | Hitachi Ltd | 蓄電池制御装置,充電スタンド及び蓄電池制御方法 |
JP2018160821A (ja) | 2017-03-23 | 2018-10-11 | 株式会社東芝 | サービス利用認証システムおよびサービス利用認証方法 |
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JP2011177009A (ja) * | 2010-01-26 | 2011-09-08 | Equos Research Co Ltd | 非接触送電システム |
JP5646352B2 (ja) * | 2011-01-19 | 2014-12-24 | シャープ株式会社 | 放電制御装置、放電制御方法、放電制御システム、制御プログラムおよび記録媒体 |
CN202167083U (zh) * | 2011-08-15 | 2012-03-14 | 南京绿展科技有限公司 | 一种带有机电一体保护系统的电动汽车充电桩 |
EP2755300A4 (en) * | 2011-09-09 | 2015-04-22 | Chugoku Electric Power | NON-CONTACT POWER SUPPLY SYSTEM AND CONTACTLESS POWER SUPPLY METHOD |
JP5234159B2 (ja) * | 2011-10-31 | 2013-07-10 | トヨタ自動車株式会社 | 外部負荷に放電(給電)可能な蓄電部を備えた車両、同車両と電力ケーブルとを含む放電システム、同蓄電部の放電制御方法、及び、同放電システムに用いられる車両外部の装置。 |
US8990593B2 (en) * | 2012-01-31 | 2015-03-24 | Silver Spring Networks, Inc. | Authentication and pairing of a mobile device to an external power source |
IN2014DN07684A (ja) * | 2012-03-21 | 2015-05-15 | Toyota Motor Co Ltd | |
CN106740240B (zh) * | 2017-03-08 | 2019-08-02 | 广州亿电邦科智能网络科技有限公司 | 一种直流充电桩设备与电动汽车自动识别系统与方法 |
JP7091798B2 (ja) * | 2018-04-13 | 2022-06-28 | トヨタ自動車株式会社 | 車両充電システム、及び車両充電システムの認証方法 |
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JP2011217600A (ja) * | 2010-03-31 | 2011-10-27 | General Electric Co <Ge> | 制御型配電変圧器、及び該変圧器を製造する方法 |
JP2012039685A (ja) * | 2010-08-04 | 2012-02-23 | Hitachi Ltd | 蓄電池制御装置,充電スタンド及び蓄電池制御方法 |
JP2018160821A (ja) | 2017-03-23 | 2018-10-11 | 株式会社東芝 | サービス利用認証システムおよびサービス利用認証方法 |
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EP4293795A4 (en) | 2024-05-15 |
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US20240116378A1 (en) | 2024-04-11 |
JPWO2022172046A1 (ja) | 2022-08-18 |
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