WO2012059988A1 - Dispositif de charge et véhicule employant celui-ci - Google Patents

Dispositif de charge et véhicule employant celui-ci Download PDF

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Publication number
WO2012059988A1
WO2012059988A1 PCT/JP2010/069554 JP2010069554W WO2012059988A1 WO 2012059988 A1 WO2012059988 A1 WO 2012059988A1 JP 2010069554 W JP2010069554 W JP 2010069554W WO 2012059988 A1 WO2012059988 A1 WO 2012059988A1
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WO
WIPO (PCT)
Prior art keywords
power
output unit
voltage
circuit
storage device
Prior art date
Application number
PCT/JP2010/069554
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English (en)
Japanese (ja)
Inventor
英聖 坂本
遠齢 洪
義信 杉山
Original Assignee
トヨタ自動車株式会社
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Application filed by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to PCT/JP2010/069554 priority Critical patent/WO2012059988A1/fr
Publication of WO2012059988A1 publication Critical patent/WO2012059988A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • 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
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present invention relates to a charging device and a vehicle including the same, and more particularly to a charging device for charging a power storage device mounted on the vehicle with a power source external to the vehicle and a vehicle including the same.
  • Electric vehicles such as electric vehicles and hybrid vehicles that run by driving an electric motor with electric power stored in a power storage device are known.
  • a configuration in which the power storage device is charged by a power source outside the vehicle (hereinafter also referred to as “external power source”) has been proposed (hereinafter, the charging of the power storage device by the external power source is also referred to as “external charging”). Called).
  • Patent Document 1 discloses a power supply device capable of charging a main battery and an auxiliary battery having a lower voltage than the main battery with a system power supply.
  • this publication discloses a configuration capable of outputting the power of the main battery or the auxiliary battery from an on-vehicle outlet using a bidirectional inverter for charging the main battery or the auxiliary battery with a system power supply. (See Patent Document 1).
  • the voltage of the external power supply varies depending on the country and region, and the voltage to be output from the outlet varies depending on the device connected to the outlet. Therefore, from the viewpoint of improving convenience, it is also important to adopt a configuration that can handle a plurality of external power supply voltages and a plurality of output voltages.
  • the present invention has been made to solve such a problem, and an object of the present invention is to provide a charging device that realizes high-efficiency power feeding to an in-vehicle outlet and a vehicle including the same.
  • Another object of the present invention is to provide a charging device that can efficiently supply power to a vehicle-mounted outlet and that can handle a plurality of external power supply voltages and a plurality of output voltages, and a vehicle including the same. is there.
  • Another object of the present invention is to provide a charging device that realizes power supply to a vehicle-mounted outlet with high efficiency and a vehicle including the charging device at low cost.
  • the charging device is a charging device for charging the power storage device mounted on the vehicle by the external power source, and includes a power receiving unit, a power converter, a power output unit, a switching circuit, and a control. Device.
  • the power receiving unit receives power supplied from an external power source.
  • the power converter is provided between the power receiving unit and the power storage device, and is configured to convert power supplied from an external power source into charging power for the power storage device.
  • the power output unit has an outlet for taking out power from the power converter.
  • the switching circuit is provided between the plurality of power extraction points of the power converter and the power output unit, and is configured to electrically connect any of the plurality of power extraction points to the power output unit.
  • the control device switches the power feeding path from the power receiving unit to the power output unit by controlling the switching circuit based on the voltage of the power supplied from the external power supply and the output voltage of the power output unit.
  • the power converter includes a first conversion circuit, a second conversion circuit, an insulating transformer, and a third conversion circuit.
  • the first conversion circuit is configured to be able to convert power supplied from an external power source into DC power.
  • the second conversion circuit is configured to be able to convert DC power into AC power.
  • the isolation transformer includes a primary coil connected to the second conversion circuit and a secondary coil corresponding to the primary coil.
  • the third conversion circuit is configured to convert AC power received from the secondary coil into DC power and output the DC power to the power storage device.
  • the switching circuit is electrically connected to a first electric circuit between the power receiving unit and the first conversion circuit and a second electric circuit between the second conversion circuit and the insulating transformer.
  • the control device includes: a first power supply path that supplies power from the first electric circuit to the power output unit based on a voltage of power supplied from the external power supply and an output voltage of the power output unit; and a power output from the second electric circuit.
  • the second power supply path for supplying power to the unit is switched.
  • the control device controls the switching circuit to select the first power feeding path.
  • the control device controls the switching circuit to select the second power feeding path.
  • the power converter is configured to be able to output the power stored in the power storage device to the power output unit.
  • the control device is configured to be able to further switch the power feeding path from the power storage device to the power output unit by controlling the switching circuit based on the voltage of the power storage device and the output voltage of the power output unit.
  • the power converter includes a first conversion circuit, a second conversion circuit, an insulating transformer, and a third conversion circuit.
  • the first conversion circuit is configured to be able to convert power supplied from an external power source into DC power.
  • the second conversion circuit is configured to be able to convert DC power into AC power.
  • the isolation transformer includes a primary coil connected to the second conversion circuit and a secondary coil corresponding to the primary coil.
  • the third conversion circuit is configured to convert AC power received from the secondary coil into DC power and output the DC power to the power storage device.
  • Each of the first to third conversion circuits is configured to be capable of power conversion in both directions.
  • the switching circuit includes a first electric circuit between the power reception unit and the first conversion circuit, a second electric circuit between the second conversion circuit and the insulation transformer, and between the insulation transformer and the third conversion circuit. Is electrically connected to the third electric circuit.
  • the control device supplies the power from the first electric circuit to the power output unit based on the voltage of the power supplied from the external power source and the output voltage of the power output unit. And a second power supply path for supplying power from the second electric circuit to the power output unit.
  • the control device supplies the stored power stored in the power storage device from the third power path to the power output unit based on the voltage of the power storage device and the output voltage of the power output unit
  • the third power feeding path to be switched and the fourth power feeding path for supplying the stored power from the first power path to the power output unit are switched.
  • the control device selects the first energization path. Control the switching circuit.
  • the control device controls the switching circuit to select the second energization path To do.
  • the control device selects the third energization path. To control.
  • the control device controls the switching circuit to select the fourth energization path.
  • the power output unit includes a plurality of outlets corresponding to the output voltage.
  • the switching circuit is configured to electrically connect any of the plurality of power extraction points to any of the plurality of outlets.
  • the control device controls the switching circuit so as to electrically connect the outlet corresponding to the output voltage of the power output unit.
  • a vehicle includes any of the above-described charging devices and a power storage device that is charged by the charging device.
  • a switching circuit is provided between a plurality of power extraction points and a power output unit of the power converter, and any one of the plurality of power extraction points can be electrically connected to the power output unit. Since the power supply path from the power receiving unit to the power output unit can be switched by controlling the switching circuit based on the voltage of the power supplied from the external power supply and the output voltage of the power output unit, the most efficient power supply A route can be selected. Therefore, according to the present invention, it is possible to realize power supply to the power output unit with high efficiency. It is also possible to deal with a plurality of external power supply voltages and a plurality of output voltages.
  • the power converter for converting the power supplied from the external power source to the charging power of the power storage device is diverted to supply power to the power output unit. Therefore, the dedicated power converter for supplying power to the power output unit Need not be provided separately. Therefore, according to this invention, the charging device which implement
  • the power converter is configured to be able to output the power stored in the power storage device to the power output unit. Then, the power supply path from the power storage device to the power output unit can be further switched by controlling the switching circuit based on the voltage of the power storage device and the output voltage of the power output unit. Therefore, according to the present invention, even when power is supplied from the power storage device to the power output unit, power supply to the power output unit can be realized with high efficiency, and moreover, a plurality of output voltages can be handled. Is also possible.
  • FIG. 1 is an overall block diagram of a vehicle equipped with a charging device according to an embodiment of the present invention.
  • FIG. 2 is a circuit diagram of a charger, a switching circuit, and a power output unit shown in FIG. 1. It is the figure which showed the electric power feeding path
  • FIG. 2 is a functional block diagram of the PM-ECU shown in FIG. It is a flowchart for demonstrating the procedure of the process performed by the switching control part shown in FIG.
  • FIG. 1 is an overall block diagram of a vehicle equipped with a charging device according to an embodiment of the present invention.
  • vehicle 100 includes a power storage device 10, a system main relay (hereinafter referred to as “SMR (System Main Relay)") 15, a power control unit (hereinafter referred to as “PCU (Power Control Unit)”). 20), a motor generator 25, drive wheels 30, and an MG-ECU 35.
  • Vehicle 100 further includes a charging inlet 40, a charger 45, a charging relay 47, a switching circuit 50, a power output unit 60, and a PM-ECU 65.
  • SMR System Main Relay
  • PCU Power Control Unit
  • the power storage device 10 is a direct current power source that stores electric power for traveling, and is constituted by a secondary battery such as nickel metal hydride or lithium ion.
  • the power storage device 10 is charged by the external power supply 85 using the charger 45.
  • the power storage device 10 is also charged with power generated by the motor generator 25 from the PCU 20 when the vehicle 100 is braked or when acceleration is reduced on a downward slope. Then, power storage device 10 outputs the stored power to PCU 20. Note that a large-capacity capacitor can be used as the power storage device 10 instead of the secondary battery.
  • the SMR 15 is provided between the power storage device 10 and the PCU 20.
  • the SMR 15 is turned on when the vehicle system is activated in order to drive the vehicle 100, and is turned off when the power storage device 10 is charged by the charger 45.
  • the PCU 20 is supplied with electric power from the power storage device 10 and drives the motor generator 25 based on a control signal from the MG-ECU 35.
  • the PCU 20 converts the electric power generated by the motor generator 25 by receiving kinetic energy from the drive wheels 30 and outputs the voltage to the power storage device 10.
  • the PCU 20 is configured by, for example, a three-phase PWM inverter including switching elements for three phases. Note that a boost converter may be provided between the three-phase PWM inverter and the power storage device 10.
  • the motor generator 25 is a motor generator that can perform a power running operation and a regenerative operation, and includes, for example, a three-phase AC synchronous motor generator in which a permanent magnet is embedded in a rotor.
  • the motor generator 25 is driven by the PCU 20 and generates driving torque for traveling to drive the driving wheels 30.
  • the motor generator 25 receives the kinetic energy of the vehicle 100 from the drive wheels 30 and generates electric power.
  • the MG-ECU 35 is composed of an electronic control unit (ECU), and performs software processing by executing a program stored in advance by a CPU (Central Processing Unit) and / or hardware processing by a dedicated electronic circuit. The operation of the PCU 20 is controlled. Specifically, MG-ECU 35 generates a control signal (for example, a PWM (Pulse Width Modulation) signal) for driving motor generator 25 by PCU 20, and outputs the generated control signal to PCU 20.
  • a control signal for example, a PWM (Pulse Width Modulation) signal
  • the charging inlet 40 is configured to be matable with a connector 80 connected to an external power supply 85.
  • the charging inlet 40 receives the supply power supplied from the external power supply 85 and outputs it to the charger 45.
  • a charging plug configured to be connectable to an outlet of the external power supply 85 may be provided.
  • the charger 45 is configured to receive power from the external power source 85 and charge the power storage device 10. Specifically, charger 45 converts electric power supplied from external power supply 85 into charging electric power for power storage device 10 based on a control signal from PM-ECU 65.
  • a switching circuit 50 is connected to the charger 45, and the charger 45 is configured to be able to output power supplied from the external power supply 85 to the power output unit 60 via the switching circuit 50.
  • the charger 45 is configured to be able to output the power stored in the power storage device 10 to the power output unit 60 via the switching circuit 50. The configuration of the charger 45 will be described in detail later.
  • the charging relay 47 is provided between the power supply lines PL ⁇ b> 1 and NL ⁇ b> 1 wired between the power storage device 10 and the SMR 15 and the charger 45.
  • the charging relay 47 is turned on during external charging, and is turned off when the external charging is finished.
  • the switching circuit 50 is provided between a plurality of power extraction points (not shown) of the charger 45 and the power output unit 60.
  • the switching circuit 50 is configured to electrically connect any of the plurality of power extraction points of the charger 45 to the power output unit 60, and based on a switching signal from the PM-ECU 65, the plurality of power extraction points. Is electrically connected to the power output unit 60.
  • the configuration of the switching circuit 50 will be described later in detail together with the configuration of the charger 45.
  • the power output unit 60 has an outlet for taking out electric power from the charger 45, and is configured to be able to fit a power plug such as a home appliance.
  • PM-ECU 65 is configured by ECU and controls the operation of charger 45 and switching circuit 50 by software processing by executing a program stored in advance by CPU and / or hardware processing by a dedicated electronic circuit. Specifically, the PM-ECU 65 generates a control signal for operating the charger 45 so as to convert the power supplied from the external power supply 85 into the charging power of the power storage device 10 during external charging. The control signal is output to the charger 45.
  • the PM-ECU 65 supplies a power supply path from the charging inlet 40 to the power output unit 60 based on the voltage of the external power supply 85 and the output voltage of the power output unit 60. A switching signal for switching is generated and output to the switching circuit 50. Then, when a power plug such as a home appliance is connected to the power output unit 60, the PM-ECU 65 operates the charger 45 so as to convert the power supplied from the external power source 85 into the output voltage of the power output unit 60. Control signal is generated, and the generated control signal is output to the charger 45.
  • PM-ECU 65 supplies power from power storage device 10 to power output unit 60 based on the voltage of power storage device 10 and the output voltage of power output unit 60 when charging inlet 40 is not connected to external power supply 85.
  • a switching signal for switching the path is generated and output to the switching circuit 50.
  • the PM-ECU 65 operates the charger 45 so as to convert the power supplied from the power storage device 10 into the output voltage of the power output unit 60. Control signal is generated, and the generated control signal is output to the charger 45.
  • FIG. 2 is a circuit diagram of the charger 45, the switching circuit 50, and the power output unit 60 shown in FIG.
  • charger 45 includes AC / DC conversion units 110 and 140, DC / AC conversion unit 120, and insulating transformer 130.
  • Each of AC / DC conversion units 110 and 140 and DC / AC conversion unit 120 includes a single-phase bridge circuit capable of bidirectional power conversion.
  • AC / DC conversion unit 110 converts AC power supplied from external power supply 85 into DC power based on a control signal from PM-ECU 65 and outputs the DC power to DC / AC conversion unit 120.
  • the AC / DC conversion unit 110 can also convert the DC power received from the DC / AC conversion unit 120 into AC power and output the AC power to the switching circuit 50.
  • the DC / AC conversion unit 120 converts the DC power from the AC / DC conversion unit 110 into AC power based on the control signal from the PM-ECU 65, and outputs the AC power to the insulation transformer 130. Further, the DC / AC conversion unit 120 can convert AC power from the insulation transformer 130 into DC power and output it to the AC / DC conversion unit 110.
  • the insulation transformer 130 includes a core made of a magnetic material, and a primary coil 132 and a secondary coil 134 wound around the core.
  • the primary coil 132 and the secondary coil 134 are electrically insulated and connected to the DC / AC converter 120 and the AC / DC converter 140, respectively.
  • Insulation transformer 130 converts AC power from DC / AC converter 120 into a voltage corresponding to the turn ratio of primary coil 132 and secondary coil 134 and outputs the voltage to AC / DC converter 140. Further, the insulation transformer 130 can convert the AC power from the AC / DC conversion unit 140 into a voltage corresponding to the turn ratio of the secondary coil 134 and the primary coil 132 and output the voltage to the DC / AC conversion unit 120.
  • AC / DC converter 140 converts AC power from insulation transformer 130 into DC power based on a control signal from PM-ECU 65 and outputs the DC power to power storage device 10.
  • the AC / DC conversion unit 140 can also convert the DC power supplied from the power storage device 10 into AC power and output the AC power to the switching circuit 50.
  • the voltage sensor 70 detects the voltage VI of the power supplied from the external power source 85 and outputs the detected value to the PM-ECU 65.
  • Voltage sensor 75 detects voltage VB of power storage device 10 and outputs the detected value to PM-ECU 65.
  • the switching circuit 50 includes relays 52, 54 and 56 and a switch 58.
  • Relay 52 is provided on an electric circuit disposed between electric circuit between charging inlet 40 and AC / DC converter 110 and nodes ND1 and ND2 in switching circuit 50.
  • Relay 54 is provided on an electric circuit arranged between DC / AC converter 120 and insulating transformer 130 and nodes ND1 and ND2.
  • the relay 56 is provided on an electric circuit disposed between the insulating transformer 130 and an outlet 62 (described later) of the power output unit 60.
  • Each of relays 52, 54, and 56 is turned on / off in response to a switching signal from PM-ECU 65.
  • the switch 58 is disposed between the nodes ND1 and ND2 and an outlet 62 and an outlet 64 (described later) of the power output unit 60.
  • Switch 58 electrically connects nodes ND 1 and ND 2 to either outlet 62 or outlet 64 based on a switching signal from PM-ECU 65.
  • the power output unit 60 includes an outlet 62 and an outlet 64.
  • Outlet 62 is connected to relay 56 and switch 58.
  • the outlet 64 is connected to the switch 58.
  • the outlet 62 is an outlet for outputting an AC voltage V1 (for example, AC 100V).
  • the outlet 64 is an outlet for outputting an AC voltage V2 (for example, AC200V) different from the AC voltage V1.
  • the PM-ECU 65 controls the switching circuit 50 based on the voltage of the power supplied from the external power supply 85 and the output voltage of the power output unit 60, so that the power output unit from the charging inlet 40 The power supply path to 60 is switched.
  • the PM-ECU 65 controls the switching circuit 50 based on the voltage of the power storage device 10 and the output voltage of the power output unit 60, thereby supplying power from the power storage device 10 to the power output unit 60. The route is switched.
  • FIG. 3 is a diagram showing a power supply path to the power output unit 60.
  • the switching circuit 50 turns on the relay 52 and turns off the relays 54 and 56, thereby turning off the charging inlet 40.
  • the power supply path A to the power output unit 60 is selected.
  • the power supply path B from the charging inlet 40 to the power output unit 60 is selected by turning off the relays 52 and 56 and turning on the relay 54.
  • the switch 58 is switched according to the output voltage of the power output unit 60.
  • the switching circuit 50 turns on the relay 56 and turns off the relays 52 and 54 to supply power from the power storage device 10 to the power output unit 60.
  • Path C is selected.
  • power supply path D from power storage device 10 to power output unit 60 is selected by turning off relays 54 and 56 and turning on relay 52. Also in this case, the switch 58 is switched according to the output voltage of the power output unit 60.
  • FIG. 4 is a diagram for explaining an example of selection of a power feeding path to the power output unit 60.
  • the switching circuit 50 is controlled to select.
  • the switching circuit is selected so as to select the power supply path B shown in FIG. 50 is controlled.
  • the switching circuit 50 is controlled so as to select the power supply path C shown in FIG.
  • voltage V1 is assumed to be lower than the maximum voltage (determined by voltage VB of power storage device 10) that can be supplied to power output unit 60 via power feeding path C.
  • the switching circuit 50 is controlled so as to select the power feeding path D shown in FIG. .
  • the voltage V2 is higher than the maximum voltage that can be output via the power feeding path C.
  • the efficiency can be improved by making it possible to switch the power supply path from the external power supply 85 to the power output unit 60.
  • the power feeding path A since the power feeding path A does not pass through the AC / DC converting unit 110 and the DC / AC converting unit 120, the power feeding path A is more efficient than the power feeding path B.
  • the voltage of the external power supply 85 and the output voltage of the power output unit 60 are different, it is necessary to select the power supply path B, but when the voltage of the external power supply 85 and the output voltage of the power output unit 60 are equal, the power supply path By selecting A, the total efficiency can be improved.
  • the power feeding path C does not pass through the insulating transformer 130, the DC / AC conversion unit 120, and the AC / DC conversion unit 110, the power feeding path C is more efficient than the power feeding path D.
  • the output voltage of the power output unit 60 is higher than the maximum voltage that can be output via the power supply path C, it is necessary to select the power supply path D, but the power is higher than the maximum voltage that can be output via the power supply path C.
  • FIG. 5 is a functional block diagram of the PM-ECU 65 shown in FIG. Referring to FIG. 5, PM-ECU 65 includes a charger control unit 150 and a switching control unit 152.
  • Charger control unit 150 generates a control signal for converting power supplied from external power supply 85 into charging power for power storage device 10 by charger 45 during external charging, and uses the generated control signal as charger 45. Output to.
  • the charger control unit 150 when the charger control unit 150 receives a command from the switching control unit 152 instructing the power supply path to the power output unit 60 and the output voltage, the charger control unit 150 generates a control signal for operating the charger 45 according to the received command. Then, the generated control signal is output to the charger 45.
  • the switching control unit 152 receives a connection signal indicating whether or not the connector 80 of the external power supply 85 is connected to the charging inlet 40.
  • the connection signal is generated using, for example, a proximity switch that changes its signal state when the connector 80 is connected to the charging inlet 40.
  • the switching control unit 152 receives the detected values of the voltages VI and VB from the voltage sensors 70 and 75 (FIG. 2), respectively.
  • the switching control unit 152 receives an AC output selection signal indicating which of the outlets 62 and 64 of the power output unit 60 has been selected.
  • the AC output selection signal may be generated by, for example, a switch that can be operated by the user, or may be generated based on whether or not an electrical device is connected to the outlets 62 and 64.
  • the switching control unit 152 generates and switches a relay signal for instructing on / off of the relays 52, 54, and 56 (FIG. 2) and a switching signal for controlling the switch 58 in accordance with a processing procedure described later. Output to the circuit 50. In addition, switching control unit 152 outputs a command that instructs the selected power supply path and the output voltage of power output unit 60 to charger control unit 150.
  • FIG. 6 is a flowchart for explaining a procedure of processing executed by the switching control unit 152 shown in FIG. Referring to FIG. 6, switching control unit 152 determines whether charging inlet 40 is connected to external power supply 85 based on a connection signal indicating whether or not connector 80 of external power supply 85 is connected to charging inlet 40. It is determined whether or not (step S10).
  • switching control unit 152 determines the voltage of external power supply 85 based on the detected value of voltage VI from voltage sensor 70. It is determined whether or not it is equal to the AC output voltage of the power output unit 60 (step S20). When the AC frequency of the external power supply 85 is different from the frequency of the AC output voltage, it is determined that the voltages are different. When it is determined that the voltage of external power supply 85 is different from the AC output voltage (NO in step S20), switching control unit 152 determines whether or not the AC output voltage is V1 (for example, AC 100V) (step S30). .
  • V1 for example, AC 100V
  • switching control unit 152 When it is determined that the AC output voltage is V1 (YES in step S30), switching control unit 152 provides a relay signal for turning off, on, and off relays 52, 54, and 56, and switch 58, respectively. Is generated and output to the switching circuit 50 (step S40).
  • switching control unit 152 When it is determined in step S30 that the AC output voltage is not V1 (for example, AC 200V) (NO in step S30), switching control unit 152 performs relay signals for turning off, on, and off relays 52, 54, and 56, respectively. , And a switch signal for switching the switch 58 to the outlet 64 side is generated and output to the switching circuit 50 (step S50).
  • V1 for example, AC 200V
  • switching control unit 152 determines whether or not the AC output voltage is V1 (step S20). S60). When it is determined that the AC output voltage is V1 (YES in step S60), switching control unit 152 performs relay signal for turning on, off, and off relays 52, 54, and 56, and switch 58, respectively. Is generated and output to the switching circuit 50 (step S65). If it is determined in step S60 that the AC output voltage is not V1 (NO in step S60), switching control unit 152 proceeds to step S90 (described later).
  • switching control unit 152 displays an SOC indicating the remaining capacity of power storage device 10 (for example, power storage device 10 It is determined whether or not (expressed as a percentage of capacity) is higher than a predetermined threshold value (step S70).
  • the SOC can be calculated using various known methods based on the voltage VB of the power storage device 10, the input / output current, and the like.
  • switching control unit 152 determines whether or not the AC output voltage is V1 (step S80). When it is determined that the AC output voltage is not V1 (NO in step S80), switching control unit 152 turns on relay signal for turning on, off, and off relays 52, 54, and 56, and switch 58, respectively. A switching signal for switching to the outlet 64 side is generated and output to the switching circuit 50 (step S90).
  • switching control unit 152 uses a relay signal and a switch for turning off, off, and on relays 52, 54, and 56, respectively.
  • a switching signal for switching 58 to the outlet 62 side is generated and output to the switching circuit 50 (step S100).
  • step S70 If it is determined in step S70 that the SOC of power storage device 10 is equal to or lower than the threshold value (NO in step S70), AC output from power output unit 60 is disabled (step S110).
  • the power output unit 60 since power is supplied to the power output unit 60 by using the charger 45 that converts power supplied from the external power supply 85 to the charging power of the power storage device 10, the power output unit 60 is supplied with power. There is no need to provide a separate dedicated power converter. Therefore, according to this embodiment, it is possible to provide a charging device that realizes power feeding to the power output unit 60 with high efficiency at a low cost.
  • charger 45 is configured to be able to output power stored in power storage device 10 to power output unit 60.
  • the power supply path from the power storage device 10 to the power output unit 60 can be further switched by controlling the switching circuit 50 based on the voltage of the power storage device 10 and the output voltage of the power output unit 60. It is also possible to select an efficient power supply path. Specifically, when the output voltage of the power output unit 60 is low, the power supply path C that does not pass through the DC / AC conversion unit 120 and the AC / DC conversion unit 110 is selected. Therefore, according to this embodiment, even when power supply from power storage device 10 to power output unit 60 is performed, power supply to power output unit 60 can be realized with high efficiency, and a plurality of outputs It is also possible to cope with the voltage.
  • the circuit configuration of the switching circuit 50 is not limited to the configuration shown in FIG. 2, and any circuit configuration may be used as long as it has the same function as the switching circuit 50. Good.
  • the power output unit 60 includes the outlet 62 for the voltage V1 (for example, AC100V) and the outlet 64 for the voltage V2 (for example, AC200V). It may be realized with an outlet.
  • V1 for example, AC100V
  • V2 for example, AC200V
  • vehicle 100 is an electric vehicle that uses motor generator 25 as a power source.
  • vehicle 100 may be an electric vehicle that uses only motor generator 25 as a power source. It may be a hybrid vehicle further equipped with an engine (not shown) in addition to the motor generator 25.
  • charging inlet 40 corresponds to an embodiment of “power receiving unit” in the present invention
  • charger 45 corresponds to an embodiment of “power converter” in the present invention
  • PM-ECU 65 corresponds to an embodiment of “control device” in the present invention
  • AC / DC converter 110 corresponds to an embodiment of “first conversion circuit” in the present invention
  • DC / AC conversion section 120 corresponds to an embodiment of “second conversion circuit” in the present invention
  • AC / DC conversion section 140 corresponds to an embodiment of “third conversion circuit” in the present invention.
  • 10 power storage device 15 SMR, 20 PCU, 25 motor generator, 30 drive wheels, 35 MG-ECU, 40 charging inlet, 45 charger, 47 charging relay, 50 switching circuit, 52, 54, 56 relay, 58 switch, 60 Power output unit, 62, 64 outlet, 65 PM-ECU, 70, 75 voltage sensor, 80 connector, 85 external power supply, 100 vehicle, 110, 140 AC / DC conversion unit, 120 DC / AC conversion unit, 130 insulation transformer, 132 primary coil, 134 secondary coil, 150 charger control unit, 152 switching control unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un circuit de commutation (50) qui est disposé entre une pluralité de points d'extraction d'électricité d'un appareil de charge (45) et une unité de délivrance d'électricité (60), et qui est configuré pour relier électriquement certains parmi la pluralité de points d'extraction d'électricité avec l'unité de délivrance d'électricité (60). Une PM-ECU (65) commute un chemin d'alimentation en électricité d'une entrée de charge (40) vers l'unité de délivrance d'électricité (60) en commandant le circuit de commutation (50) en fonction de la tension de l'électricité délivrée par une alimentation électrique externe (85) et de la tension de sortie de l'unité de délivrance d'électricité (60). La PM-ECU (65) commute en outre un chemin d'alimentation en électricité d'un dispositif de stockage d'énergie (10) vers l'unité de délivrance d'électricité (60) en commandant le circuit de commutation (50) en fonction de la tension du dispositif de stockage d'électricité (10) et de la tension de sortie de l'unité de délivrance d'électricité (60).
PCT/JP2010/069554 2010-11-04 2010-11-04 Dispositif de charge et véhicule employant celui-ci WO2012059988A1 (fr)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013143788A (ja) * 2012-01-06 2013-07-22 Nippon Soken Inc 車両
JP2013240241A (ja) * 2012-05-17 2013-11-28 Toyota Motor Corp 電源装置およびそれを備える車両ならびに電源装置の制御方法
JP7512974B2 (ja) 2021-08-16 2024-07-09 トヨタ自動車株式会社 車両制御装置、車両、電力供給システム、プログラムおよび電力供給方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007534281A (ja) * 2003-07-09 2007-11-22 アロイス・ヴォベン 自動車
JP2009033800A (ja) * 2007-07-24 2009-02-12 Toyota Industries Corp 双方向ｄｃ／ａｃインバータ
JP2010093891A (ja) * 2008-10-06 2010-04-22 Fujitsu Ten Ltd 電子制御装置、プラグイン車両、及び給電経路切替方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007534281A (ja) * 2003-07-09 2007-11-22 アロイス・ヴォベン 自動車
JP2009033800A (ja) * 2007-07-24 2009-02-12 Toyota Industries Corp 双方向ｄｃ／ａｃインバータ
JP2010093891A (ja) * 2008-10-06 2010-04-22 Fujitsu Ten Ltd 電子制御装置、プラグイン車両、及び給電経路切替方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013143788A (ja) * 2012-01-06 2013-07-22 Nippon Soken Inc 車両
JP2013240241A (ja) * 2012-05-17 2013-11-28 Toyota Motor Corp 電源装置およびそれを備える車両ならびに電源装置の制御方法
JP7512974B2 (ja) 2021-08-16 2024-07-09 トヨタ自動車株式会社 車両制御装置、車両、電力供給システム、プログラムおよび電力供給方法
JP7512973B2 (ja) 2021-08-16 2024-07-09 トヨタ自動車株式会社 車両制御装置、車両、電力供給システム、プログラム、放電コネクタおよび電力供給方法

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