WO2012008195A1 - Système et procédé de chargement de batterie - Google Patents

Système et procédé de chargement de batterie Download PDF

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Publication number
WO2012008195A1
WO2012008195A1 PCT/JP2011/059450 JP2011059450W WO2012008195A1 WO 2012008195 A1 WO2012008195 A1 WO 2012008195A1 JP 2011059450 W JP2011059450 W JP 2011059450W WO 2012008195 A1 WO2012008195 A1 WO 2012008195A1
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WIPO (PCT)
Prior art keywords
vehicle
charging
battery
current
current sensor
Prior art date
Application number
PCT/JP2011/059450
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English (en)
Japanese (ja)
Inventor
蛇口　広行
Original Assignee
アルプス・グリーンデバイス株式会社
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.)
Filing date
Publication date
Application filed by アルプス・グリーンデバイス株式会社 filed Critical アルプス・グリーンデバイス株式会社
Priority to JP2012524472A priority Critical patent/JP5544499B2/ja
Priority to CN201180032844.9A priority patent/CN102959828B/zh
Publication of WO2012008195A1 publication Critical patent/WO2012008195A1/fr

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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
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/34—Plug-like or socket-like devices specially adapted for contactless inductive charging of electric 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
    • B60L53/66—Data transfer between charging stations and vehicles
    • B60L53/665—Methods related to measuring, billing or payment
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Definitions

  • the present invention relates to a battery charging system and a battery charging method using a current sensor.
  • CHAdeMO protocol As a method for charging electric vehicles.
  • a direct current is supplied according to a command according to the state of the battery from the engine control unit (ECU) of the vehicle.
  • ECU engine control unit
  • an operation start signal is sent from the charger side, and then a charging permission signal and charging condition command information are sent from the vehicle side to the charger, along with the charging current from the charger side. Sent out. It is considered to charge any vehicle using such a CHAdeMO protocol.
  • the present invention has been made in view of the above points, and in order to achieve both safer use of an electric vehicle and sufficient use of the original capacity of the battery, a battery charging system and a battery having better charging accuracy.
  • An object is to provide a charging method.
  • the battery charging system includes a power interface, a battery that receives power through the power interface, a first current sensor that measures a current supplied to the battery, and communication that transmits and receives signals through the power interface.
  • the charging since the charging is started after checking whether or not the sensitivity of the current sensor of the charging device and the current sensor of the vehicle match, charging can be performed with an accurate charge amount at the time of charging, The risk of overcharging the battery can be reduced, the battery performance can be effectively utilized, and the battery life can be extended.
  • At least one level of sensor sensitivity confirmation current is supplied from the charging device to the vehicle via the power interface, and the sensor sensitivity confirmation current is supplied to the vehicle in the vehicle. It is preferable that charging is started when measured by the first current sensor and the measured value of the first current sensor is within a specific range with respect to a predetermined value.
  • the charging device includes connection detection means for detecting connection with the vehicle, and the charging device outputs a predetermined signal when the connection detection means detects the connection. It is preferable to transmit to the vehicle via the power interface.
  • the battery charging method of the present invention is a battery charging method in a battery charging system in which electric power is supplied from a charging device to a vehicle battery for charging, and the charging device is between the charging device and the vehicle.
  • the charging is started after the sensor sensitivities of the current sensor and the vehicle current sensor are confirmed.
  • charging since charging is started after checking whether the sensitivity of the current sensor of the charging device and the current sensor of the vehicle match, charging can be performed with an accurate charge amount at the time of charging, The risk of overcharging the battery can be reduced, the battery performance can be effectively utilized, and the battery life can be extended.
  • the battery charging method includes a step of transmitting a predetermined signal to the vehicle via the power interface when the connection between the charging device and the vehicle is detected.
  • the charging device of the present invention is a charging device for a battery charging system that supplies power to a battery of a vehicle from the charging device to perform charging, and includes a power interface and a power supply that supplies power via the power interface. Sensor sensitivity of the current sensor and the current sensor of the vehicle between the means, a current sensor for measuring the current supplied to the vehicle, a communication means for transmitting and receiving signals via the power interface, and the vehicle Control means for performing control to start charging after confirming the above.
  • a vehicle according to the present invention is a vehicle corresponding to a battery charging system that supplies power to a battery of a vehicle from a charging device and performs charging, and includes a power interface, a battery that receives power through the power interface, Sensor sensitivity of the current sensor and the current sensor of the charging device between the current sensor for measuring the current supplied to the battery, communication means for transmitting and receiving signals via the power interface, and the charging device Control means for performing control to start charging after confirming the above.
  • the present invention since charging is started after checking whether or not the sensitivity of the current sensor of the charging device and the current sensor of the vehicle match, charging can be performed with an accurate charge amount when charging, The risk of overcharging the battery can be reduced, the battery performance can be effectively utilized, and the battery life can be extended. Furthermore, according to the present invention, since the current sensor of the vehicle checks the sensitivity of current detection every time it is charged, the accuracy is always kept good. It is good and can reduce the risk of overdischarge, and even when discharging, that is, when the electric vehicle is running, it is safe and the battery performance can be used effectively, and the battery life can be extended. That is, according to the present invention, it is possible to perform charging more accurately in order to achieve both safer use of the electric vehicle and sufficient use of the original capacity of the battery.
  • charging is started after checking the sensor sensitivity of the current sensor of the vehicle and the current sensor of the charging device (checking whether the sensitivities match). That is, a sensor sensitivity confirmation current having a predetermined value (preferably several steps of current) is supplied from the charging device side, and the current is measured by a current sensor on the vehicle side. Start charging after confirming that it is within the allowable range. In this case, whether or not the sensor sensitivities of the current sensor of the vehicle and the current sensor of the charging device match may be determined by measuring a sensor sensitivity confirmation current on the vehicle side. The measuring current may be measured, and the measured value may be notified to the charging device side and judged on the charging device side.
  • charging is started after checking whether or not the sensitivity of the current sensor of the charging device and the sensitivity of the current sensor of the vehicle match. If the sensitivity of the current sensor of the charging device and the current sensor of the vehicle match, charging can be performed with the correct amount of charge, thus improving the battery life. Also, if the current value of the current sensor on the vehicle side is low (apparently low sensitivity), there is a possibility of leakage, and by detecting an appropriate warning, detection of leakage or abnormality of the current sensor on the vehicle side is detected. can do. Furthermore, fraudulent acts such as theft can be prevented.
  • FIG. 1 is a diagram showing a battery charging system according to an embodiment of the present invention
  • FIG. 2 is a diagram showing a configuration of the battery charging system shown in FIG.
  • the battery charging system is a system that charges the battery of the vehicle 1 by supplying power from the charger 2 as shown in FIG.
  • power is supplied through the current lines (power interface) of the vehicle 1 and the charger 2.
  • the current lines are configured such that the connector 1 a of the vehicle 1 and the connector 2 a of the charger 2 are connected by connector connection.
  • a signal line (power interface) used for communication between the vehicle 1 and the charger 2 is disposed on the current line, and the current line and the signal line constitute a power interface.
  • a configuration in which a current line also serves as a signal line as a power interface may be applied by applying power line communication (PLC) technology.
  • PLC power line communication
  • Vehicle 1 is a vehicle (capacitor) corresponding to a battery charging system that charges by supplying electric power from a charger 2 to a battery.
  • the vehicle 1 is attached to an engine control unit (ECU) 11 that is a main control means, a communication unit 12 that transmits and receives signals to and from the charger 2 via a signal line of the power interface, and a current line of the power interface.
  • ECU engine control unit
  • the current sensor 13 for measuring the current flowing in the current line
  • the battery 14 that receives power through the current line
  • the connection detection unit 15 for detecting the connection between the charger 2. .
  • the ECU 11 monitors the state of charge of the battery 14. Further, the ECU 11 confirms the sensor sensitivity of the current sensor 13 and the current sensor 23 of the charger 2 with the charger 2 when the connection detection unit 15 detects the connection with the charger 2. Control to start charging. The ECU 11 compares the measured value of the sensitivity confirmation current measured by the current sensor 13 with a predetermined value, and determines whether or not the difference is within an allowable range (whether or not the sensitivity matches). Then, based on the determination result, a control signal for permitting charging is transmitted to the charger 2. Thereby, charging from the charger 2 is started. Further, the ECU 11 performs the controls (A) to (E) based on the determination result. In this case, when a warning is given to the user of the vehicle, the warning is displayed on a display (not shown) or warned by sound or voice.
  • the communication unit 12 transmits and receives signals to and from the charger 2 through the signal line of the power interface under the control of the ECU 11. For example, when the connector between the vehicle and the charger is coupled, an operation start signal is received from the charger side, while a sensitivity confirmation start signal (a signal for permitting current to be applied for sensitivity confirmation), a charge permission signal ( Charging energies for charging), charging condition command information (battery type, charging current, charging voltage, charging time, charging profile information such as a charging profile combining these), charging prohibition signal (stopping charging) Signal) to transmit to the charger 2.
  • a sensitivity confirmation start signal a signal for permitting current to be applied for sensitivity confirmation
  • a charge permission signal Charging energies for charging
  • charging condition command information battery type, charging current, charging voltage, charging time, charging profile information such as a charging profile combining these
  • charging prohibition signal stopping charging
  • the current sensor 13 measures the current supplied to the battery 14, that is, the current passed through the current line when supplying power. Further, the current sensor 13 measures a current passed through the current line when checking the sensitivity. The current sensor 13 outputs the measured current value (measured value) to the ECU 11. Examples of the current sensor 13 include a magnetic balance type current sensor and a magnetic proportional type current sensor. Moreover, as a magnetic detection element used for these current sensors, a magnetoresistive effect element, a Hall element, or the like can be used. The battery remaining amount can be managed by measuring and accumulating the charging / discharging current of the battery using such a current sensor 13. In order to accurately measure the charge / discharge current of the battery 14, the current sensor 13 is desirably measured immediately near the battery 14, and may be built in the battery 14.
  • Examples of the battery 14 include a battery that performs charging and discharging, such as a Li ion battery, a NiMH battery, and a lead storage battery.
  • connection detection unit 15 detects a connection with the charger 2. For example, the connection detection unit 15 detects that the connector 1a and the connector 2a of the charger 2 have been connector-coupled (in some cases, inductive coupling or electrostatic coupling), and outputs a control signal to that effect to the ECU 11.
  • the charger 2 is a battery charging system charger that supplies power to the battery 14 of the vehicle 1 for charging.
  • the charger 2 is attached to a control unit 21 that is a main control unit, a communication unit 22 that transmits and receives signals to and from the vehicle 1 via a signal line of the power interface, and a current line of the power interface.
  • a current sensor 23 for measuring a current flowing in the vehicle
  • a power supply unit 24 for supplying power to the battery 14 of the vehicle 1 via a current line
  • a connection detection unit 25 for detecting a connection between the vehicle 1 It is configured.
  • the control unit 21 controls the power supply of the power supply unit 24.
  • the control unit 21 checks the sensor sensitivity of the current sensor 23 and the current sensor 13 of the vehicle 1 after charging with the vehicle 1. Control to start.
  • the control unit 21 compares the measured value of the sensitivity confirmation current with a predetermined value, and whether or not the difference is within the allowable range. (Sensitivity is matched or not) is determined.
  • the measured value of the sensitivity confirmation current is a value measured by the current sensor 13 of the vehicle 1, and the value is transmitted from the vehicle 1 to the charger 2. Based on the determination result, power is supplied from the power supply unit 24 of the charger 2 to the battery 14 of the vehicle 1 (charging is started).
  • the communication unit 22 transmits and receives signals to and from the vehicle 1 through the signal line of the power interface under the control of the control unit 21. For example, in the sensitivity check of the current sensor, an operation start signal (a signal for requesting an operation start after confirming that the connector is coupled) is transmitted to the vehicle 1, and a sensitivity check start signal (a current for sensitivity check) is transmitted.
  • Charging permission signal (signal to allow energization for charging), charging condition command information (battery type, charging current, charging voltage, charging time, charging conditions combining these, charging conditions, etc.) Information), a charging prohibition signal (a signal for stopping charging), and the like are received from the vehicle 1.
  • the current sensor 23 measures the current supplied to the vehicle, that is, the current supplied to the current line when supplying power from the power supply unit 24 to the battery 14 of the vehicle 1.
  • the current sensor 23 outputs the measured current value (measured value) to the control unit 21.
  • Examples of the current sensor 23 include a shunt resistor, a magnetic balanced current sensor, and a magnetic proportional current sensor.
  • a magnetic detection element used for these current sensors a magnetoresistive effect element, a Hall element, or the like can be used.
  • the current sensor 23 can be more accurately measured with respect to the current supplied from the charger 2 to the vehicle 1 by installing it in the immediate vicinity of the connector 2a.
  • the power supply unit 24 supplies power to the battery 14 of the vehicle 1 via a current line. In this case, the supply of power is controlled by the control unit 21. In the present invention, the power supply unit 24 supplies a sensor sensitivity confirmation current to the battery 14 of the vehicle 1 to the vehicle 1 and the measured value of the sensitivity confirmation current measured in the vehicle 1 is a predetermined value. When it is within a specific range, charging power is supplied to the battery 14 of the vehicle 1.
  • the sensor sensitivity confirmation current may be supplied at at least one level (current value), may be supplied at one level, or may be supplied at a plurality of different levels.
  • the power supply unit 24 preferably includes a capacitor. Since the power supply unit 24 has a power storage function, it is possible to store a charge amount of power with inexpensive nighttime power. In this way, by storing nighttime power, the power cost can be kept low even if charging is performed during the day. In addition, by accumulating electric power necessary for charging the battery 14 of the vehicle 1, it is possible to charge at a stretch and to charge more rapidly. If the battery is not charged, it is charged at the same time while performing processing such as AC-DC conversion and boosting, so the charging speed cannot exceed the processing capacity. Therefore, when charging quickly, an AC-DC converter with high processing capacity A booster is required, resulting in a very expensive charging system. The control of the power storage and power supply (discharge) in the power supply unit 24 is performed by the control unit 21.
  • the connection detection unit 25 detects a connection with the vehicle 1. For example, the connection detection unit 25 detects that the connector 2a and the connector 1a of the vehicle 1 are connected to each other, and outputs a control signal to that effect to the control unit 21.
  • the control unit 21 transmits a predetermined signal (operation start signal) to the vehicle 1 through the signal line. Thereby, control of sensitivity confirmation with the vehicle 1 is started.
  • the battery charging method of the present invention charging is started between the charger 2 and the vehicle 1 after confirming the sensor sensitivities of the current sensor 23 of the charger 2 and the current sensor 13 of the vehicle 1.
  • the confirmation of the sensor sensitivity is a confirmation of whether or not the sensitivities of the current sensors 13 and 23 coincide with each other, that is, a sensor sensitivity confirmation current having a predetermined value is supplied from the charger 2 side. This is to confirm that the current is measured by the current sensor 13 and that the measured value is within an allowable range with respect to a predetermined value.
  • FIG. 3 is a sequence diagram for explaining the battery charging method according to the embodiment of the present invention.
  • the control unit 21 detects that the connector 1a of the vehicle 1 and the connector 2a of the charger 2 are connector-coupled (including inductive coupling and electrostatic coupling), the control unit 21 The communication unit 22 is instructed to transmit an operation start signal to the vehicle 1 via the signal line (ST11).
  • the ECU 11 instructs the communication unit 12 to transmit the first sensitivity confirmation start signal to the charger 2 (ST12).
  • the control unit 21 supplies a first sensitivity confirmation current having a predetermined value (for example, 0.5 A) to the battery 14 of the vehicle 1 from the power supply unit 24. Instruct to energize (ST13).
  • the first sensitivity confirmation current energized by the current sensor 13 is measured. This measurement result (measured value) is output to the ECU 11.
  • the ECU 11 determines whether or not the measured value is within a predetermined range (whether or not the difference between the measured value and the predetermined value is within a predetermined range).
  • the ECU 11 instructs the communication unit 12 to transmit the second sensitivity confirmation start signal to the charger 2 (ST14). On the other hand, if the measured value is not within the predetermined range (if the measured value exceeds the predetermined range), the ECU 11 performs the control as described in (A) to (E) above.
  • the control unit 21 applies a second sensitivity confirmation current of a predetermined value (for example, 10 A) to the battery 14 of the vehicle 1 from the power supply unit 24. Instruct (ST15). At this time, in the vehicle 1, the second sensitivity confirmation current energized by the current sensor 13 is measured. This measurement result (measured value) is output to the ECU 11. The ECU 11 determines whether or not the measured value is within a predetermined range (whether or not the difference between the measured value and the predetermined value is within a predetermined range). If the measured value is within the predetermined range, the ECU 11 instructs the communication unit 12 to transmit the charging permission signal and the charging condition command information to the charger 2 (ST16). On the other hand, if the measured value is not within the predetermined range (if the measured value exceeds the predetermined range), the ECU 11 performs the control as described in (A) to (E) above.
  • a predetermined value for example, 10 A
  • the control unit 21 instructs the battery 14 of the vehicle 1 to be charged from the power supply unit 24 in accordance with the charging condition command information (ST17). ). Since the ECU 11 of the vehicle 1 monitors the charging state of the battery 14, when the charging state of the battery 14 becomes FULL or when the charging is completed to a predetermined value, the ECU 11 sends a charging prohibition signal to the charger 2. The communication unit 12 is instructed to transmit to (ST18). In this way, charging is completed.
  • charging is started after checking whether or not the sensitivities of the current sensor 23 of the charger 2 and the current sensor 13 of the vehicle 1 coincide with each other.
  • Charging can be performed with an accurate charge amount, and the battery life can be extended. That is, according to the battery charging method of the present invention, charging can be performed with higher accuracy in order to achieve both safer use of the electric vehicle and sufficient use of the original capacity of the battery.
  • the present invention is not limited to the above embodiment, and can be implemented with various modifications.
  • whether or not the sensor sensitivities of the current sensor 13 of the vehicle 1 and the current sensor 23 of the charger 2 match is determined by measuring the sensor sensitivity confirmation current on the vehicle side.
  • the sensor sensitivity confirmation current is measured on the vehicle side to determine whether or not the sensor sensitivities of the current sensor 13 of the vehicle 1 and the current sensor 23 of the charger 2 match. The measured value may be notified to the charger side and judged on the charger side.
  • the present invention can be implemented with appropriate modifications without departing from the scope of the present invention.
  • the present invention can be applied to battery charging systems and battery charging methods for electric vehicles and hybrid cars.

Abstract

Afin d'obtenir simultanément une utilisation plus sûre d'une voiture électrique et une utilisation suffisante de la capacité originale d'une batterie, l'invention concerne un système et un procédé de chargement de batterie permettant d'atteindre une meilleure précision du chargement. Le système de chargement de batterie selon l'invention comprend un véhicule (1) et un chargeur (2). Le véhicule (1) comprend : une interface d'électricité ; une batterie (14) qui reçoit une alimentation électrique via l'interface d'électricité ; un capteur d'intensité (13) qui mesure une intensité fournie à la batterie ; et un moyen de communication (12) qui transmet/reçoit des signaux via l'interface d'électricité. Le chargeur (2) comprend : une interface d'électricité ; un moyen d'alimentation en électricité (24) qui assure une alimentation électrique via l'interface d'électricité ; un capteur d'intensité (23) qui mesure une intensité fournie au véhicule ; et un moyen de communication (22) qui transmet/reçoit des signaux via l'interface d'électricité. Le système de chargement de batterie est caractérisé en ce que le chargement commence entre le chargeur (2) et le véhicule (1) une fois que les sensibilités des capteurs d'intensité (13, 23) ont été établies.
PCT/JP2011/059450 2010-07-12 2011-04-15 Système et procédé de chargement de batterie WO2012008195A1 (fr)

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JP2012524472A JP5544499B2 (ja) 2010-07-12 2011-04-15 バッテリ充電システム及びバッテリ充電方法
CN201180032844.9A CN102959828B (zh) 2010-07-12 2011-04-15 蓄电池充电系统以及蓄电池充电方法

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103259316A (zh) * 2013-06-02 2013-08-21 苏州快可光伏电子股份有限公司 一种新能源汽车用充电枪
WO2016050403A1 (fr) * 2014-10-02 2016-04-07 Robert Bosch Gmbh Système de gestion de batterie et procédé d'étalonnage d'un capteur d'un système de gestion de batterie
WO2020129782A1 (fr) * 2018-12-17 2020-06-25 株式会社椿本チエイン Dispositif de traitement de données, dispositif de charge/décharge, et procédé de traitement de données
JP2020099184A (ja) * 2018-12-17 2020-06-25 株式会社椿本チエイン データ処理装置、充放電装置及びデータ処理方法
DE102012216769B4 (de) 2012-05-17 2024-05-08 Mitsubishi Electric Co. Stromüberwachungssystem und Elektrofahrzeug

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5362930B1 (ja) * 2013-07-04 2013-12-11 レスク株式会社 電動車両用バッテリ交換システム及びプログラム
JP6623725B2 (ja) * 2015-12-01 2019-12-25 オムロン株式会社 バッテリ残量推定システムおよびバッテリ残量推定方法
JP7172676B2 (ja) * 2019-02-05 2022-11-16 トヨタ自動車株式会社 車両の制御装置およびそれを備えた車両ならびに車両の制御方法
TWI739257B (zh) 2019-12-30 2021-09-11 大陸商東莞寶德電子有限公司 充電位置可調的充電板及其充電控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0984274A (ja) * 1995-09-14 1997-03-28 Nissan Motor Co Ltd 組電池の充電制御装置
JP2007336778A (ja) * 2006-06-19 2007-12-27 Tokyo Electric Power Co Inc:The 充電システム及びその制御方法
JP2008058084A (ja) * 2006-08-30 2008-03-13 Sanyo Electric Co Ltd 車両の充放電電流の検出方法
JP2009136109A (ja) * 2007-11-30 2009-06-18 Toyota Motor Corp 充電制御装置および充電制御方法
JP2010213410A (ja) * 2009-03-09 2010-09-24 Fujitsu Ten Ltd 制御装置及び制御方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004034074A1 (fr) * 2002-10-10 2004-04-22 Yamaha Hatsudoki Kabushiki Kaisha Procede et dispositif de gestion de batterie
JP5308627B2 (ja) * 2007-03-19 2013-10-09 パイオニア株式会社 充電量課金システム及び充電量課金方法等
JP2011114906A (ja) * 2009-11-25 2011-06-09 Tokai Rika Co Ltd 充電システム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0984274A (ja) * 1995-09-14 1997-03-28 Nissan Motor Co Ltd 組電池の充電制御装置
JP2007336778A (ja) * 2006-06-19 2007-12-27 Tokyo Electric Power Co Inc:The 充電システム及びその制御方法
JP2008058084A (ja) * 2006-08-30 2008-03-13 Sanyo Electric Co Ltd 車両の充放電電流の検出方法
JP2009136109A (ja) * 2007-11-30 2009-06-18 Toyota Motor Corp 充電制御装置および充電制御方法
JP2010213410A (ja) * 2009-03-09 2010-09-24 Fujitsu Ten Ltd 制御装置及び制御方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012216769B4 (de) 2012-05-17 2024-05-08 Mitsubishi Electric Co. Stromüberwachungssystem und Elektrofahrzeug
CN103259316A (zh) * 2013-06-02 2013-08-21 苏州快可光伏电子股份有限公司 一种新能源汽车用充电枪
WO2016050403A1 (fr) * 2014-10-02 2016-04-07 Robert Bosch Gmbh Système de gestion de batterie et procédé d'étalonnage d'un capteur d'un système de gestion de batterie
CN106716168A (zh) * 2014-10-02 2017-05-24 罗伯特·博世有限公司 电池组管理系统和用于校准电池组管理系统的传感器的方法
WO2020129782A1 (fr) * 2018-12-17 2020-06-25 株式会社椿本チエイン Dispositif de traitement de données, dispositif de charge/décharge, et procédé de traitement de données
JP2020099184A (ja) * 2018-12-17 2020-06-25 株式会社椿本チエイン データ処理装置、充放電装置及びデータ処理方法

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