WO2013132604A1 - 電動車両およびその制御方法 - Google Patents
電動車両およびその制御方法 Download PDFInfo
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- WO2013132604A1 WO2013132604A1 PCT/JP2012/055795 JP2012055795W WO2013132604A1 WO 2013132604 A1 WO2013132604 A1 WO 2013132604A1 JP 2012055795 W JP2012055795 W JP 2012055795W WO 2013132604 A1 WO2013132604 A1 WO 2013132604A1
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- 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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/006—Supplying electric power to auxiliary equipment of vehicles to power outlets
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- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
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- Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
Definitions
- the present invention relates to an electric vehicle and a control method thereof, and more particularly, to an electric vehicle including a power output unit that outputs electric power to an electric device including a home appliance and a control method thereof.
- Electric vehicles Electric Vehicle
- a motor that generates electric power from a power storage device such as a battery and generates driving force for driving
- hybrid vehicles Hybrid Vehicle equipped with an engine as a power source.
- a configuration has been proposed in which electric power stored in a power storage device can be converted into voltage and output to an electric device such as a home appliance.
- Patent Document 1 discloses an automobile capable of converting electric power stored in a battery into predetermined AC electric power (for example, AC 100 V) and outputting it.
- This automobile includes a battery that supplies electric power to the traveling motor, and an AC100V inverter that converts DC power output from the battery into AC100V power and outputs the AC100V power to an AC outlet.
- whether or not AC100V output can be output is determined based on the state of an AC100V inverter, a vehicle control system, a battery, and the like. Therefore, according to this automobile, good drive control of the vehicle can be ensured, and AC 100 V output can be performed using electric power stored in the battery (see Patent Document 1).
- the present invention has been made to solve such a problem, and an object of the present invention is to provide an electric vehicle capable of supplying electric power to electric devices including home appliances while ensuring traveling performance.
- Another object of the present invention is to provide an electric vehicle control method capable of supplying electric power to electric devices including home appliances while ensuring traveling performance.
- an electric vehicle includes a main power storage device, an electric motor, an auxiliary power storage device, a power output unit, a power conversion device, and a control device.
- the electric motor receives a supply of electric power from the main power storage device and generates a driving force.
- the power output unit is configured to be able to output power to an electrical device including a home appliance.
- the power conversion device is electrically connected to the main power storage device, the auxiliary power storage device, and the power output unit, and converts the power stored in the main power storage device or the power stored in the auxiliary power storage device into a power by converting the voltage. It can be output to the output unit.
- the control device controls the power conversion device to convert the power stored in the auxiliary power storage device into a voltage and output it to the power output unit when the driving force increases during use of the power output unit.
- the control device complements the output.
- the power converter is controlled so as to convert the power stored in the power storage device for a machine into a voltage and output it to the power output unit.
- the power conversion device includes a charger that converts power supplied from a power source outside the vehicle to charge the main power storage device and the auxiliary power storage device.
- the charger is configured to be capable of bi-directional power conversion so that the power stored in the main power storage device or the power stored in the auxiliary power storage device can be converted into voltage and output to the power output unit.
- the charger includes a main circuit and a sub power supply circuit.
- the main circuit is configured to be capable of bidirectional voltage conversion between a power supply outside the vehicle and the main power storage device.
- the sub power supply circuit is configured to be capable of bidirectional voltage conversion between the power supply outside the vehicle and the auxiliary power storage device, and has a smaller capacity than the main circuit.
- control device further controls the charging state of the auxiliary power storage device so as to increase the charging state of the auxiliary power storage device in advance when the traveling driving force increases.
- the electric vehicle further includes an information device having information relating to the running path.
- the control device controls the state of charge of the auxiliary power storage device so as to increase the state of charge of the auxiliary power storage device in advance when an increase in travel driving force is predicted based on the road information from the information device.
- the electric vehicle further includes a voltage converter.
- the voltage converter converts the power output from the main power storage device into a voltage and outputs it to the auxiliary power storage device.
- the power conversion device includes a charger that converts power supplied from a power source outside the vehicle to charge the main power storage device and the auxiliary power storage device.
- the charger includes a main circuit and a sub power supply circuit.
- the main circuit is configured to be capable of bidirectional voltage conversion between a power supply outside the vehicle and the main power storage device.
- the sub power supply circuit is configured to be capable of bidirectional voltage conversion between the power supply outside the vehicle and the auxiliary power storage device, and has a smaller capacity than the main circuit.
- the sub power supply circuit is electrically connected to the main power storage device side of the main circuit.
- the control device controls the charging state of the auxiliary power storage device so as to increase the charging state of the auxiliary power storage device in advance, and the power supplied to the auxiliary power storage device is within the rating of the sub power supply circuit.
- the sub power circuit is controlled to supply power from the main power storage device to the auxiliary power storage device using the sub power circuit, and the power supplied to the auxiliary power storage device exceeds the rating of the sub power circuit,
- the voltage converter is controlled so as to supply power from the main power storage device to the auxiliary power storage device using the voltage converter.
- the control method is a control method for an electric vehicle.
- the electric vehicle includes a main power storage device, an electric motor, an auxiliary power storage device, a power output unit, and a power conversion device.
- the electric motor receives a supply of electric power from the main power storage device and generates a driving force.
- the power output unit is configured to be able to output power to an electrical device including a home appliance.
- the power conversion device is electrically connected to the main power storage device, the auxiliary power storage device, and the power output unit, and converts the power stored in the main power storage device or the power stored in the auxiliary power storage device into a power by converting the voltage. It can be output to the output unit.
- the control method includes a step of determining whether or not the use of the power output unit is required, and when the driving force increases when the use of the power output unit is requested, Controlling the power converter so as to convert the stored power into a voltage and output the power to the power output unit.
- the step of controlling the power conversion device whether the output of the main power storage device exceeds the outputable power indicating the power that can be output by the main power storage device due to an increase in traveling driving force when the power output unit is used.
- Power conversion so that the power stored in the auxiliary power storage device is converted into voltage and output to the power output unit when it is determined that the output of the main power storage device exceeds the outputable power. Controlling the device.
- control method further includes a step of controlling the charging state of the auxiliary power storage device so as to increase the charging state of the auxiliary power storage device in advance when the traveling driving force increases.
- the electric vehicle further includes a voltage converter.
- the voltage converter converts the power output from the main power storage device into a voltage and outputs it to the auxiliary power storage device.
- the power conversion device includes a charger that converts power supplied from a power source outside the vehicle to charge the main power storage device and the auxiliary power storage device.
- the charger includes a main circuit and a sub power supply circuit.
- the main circuit is configured to be capable of bidirectional voltage conversion between a power supply outside the vehicle and the main power storage device.
- the sub power supply circuit is configured to be capable of bidirectional voltage conversion between the power supply outside the vehicle and the auxiliary power storage device, and has a smaller capacity than the main circuit.
- the sub power supply circuit is electrically connected to the main power storage device side of the main circuit.
- the step of controlling the state of charge of the auxiliary power storage device includes determining whether the power supplied to the auxiliary power storage device is within the rating of the sub power circuit, and determining whether the power is sub power When it is determined that the power is within the rating of the circuit, the sub power circuit is controlled to supply power from the main power storage device to the auxiliary power storage device using the sub power circuit, and And controlling the voltage converter to supply power from the main power storage device to the auxiliary power storage device using the voltage converter when it is determined that the power supply circuit rating is exceeded.
- the power conversion device when the driving force increases when the power output unit is used, the power conversion device is controlled so that the power stored in the auxiliary power storage device is voltage-converted and output to the power output unit. Thereby, it is not necessary to distribute the power output from the main power storage device to the power output unit when the power output unit is used. Therefore, according to the present invention, it is possible to supply electric power to electric devices including home appliances while ensuring traveling performance.
- FIG. 1 is an overall configuration diagram of a hybrid vehicle shown as an example of an electric vehicle according to Embodiment 1 of the present invention. It is the figure which showed the flow of the electric power at the time of external charging. It is the figure which showed the flow of the electric power at the time of outlet use.
- FIG. 2 is a circuit diagram of the bidirectional charger shown in FIG. 1. It is a flowchart for determining the electric power feeding path to an outlet.
- FIG. 6 is an overall configuration diagram of a hybrid vehicle shown as an example of an electric vehicle according to a second embodiment. 7 is a flowchart for explaining the control executed by the PM-ECU shown in FIG.
- FIG. 10 is an overall configuration diagram of a hybrid vehicle shown as an example of an electric vehicle according to a third embodiment.
- FIG. 9 is a circuit diagram of the bidirectional charger shown in FIG. 8. It is the figure which showed the electric power feeding path
- FIG. 9 is a flowchart for illustrating the control executed by the PM-ECU shown in Fig. 8.
- FIG. 10 is an overall configuration diagram of a hybrid vehicle shown as an example of an electric vehicle according to a fourth embodiment. It is a block diagram of the power converter shown in FIG.
- FIG. 1 is an overall configuration diagram of a hybrid vehicle shown as an example of an electric vehicle according to Embodiment 1 of the present invention.
- hybrid vehicle 100 includes a main power storage device 10, a system main relay (hereinafter also referred to as "SMR (System Main Relay)") 15, a converter 20, inverters 22 and 24, a motor generator. 32, 34.
- Hybrid vehicle 100 further includes engine 36, planetary gears 38, 40, transmission gear 42, drive wheels 44, DC / DC converter 50, positive electrode lines PL1, PL2, and negative electrode lines NL1, NL2. .
- SMR System Main Relay
- the main power storage device 10 is a rechargeable DC power source, and is constituted by, for example, a secondary battery such as nickel metal hydride or lithium ion.
- a secondary battery such as nickel metal hydride or lithium ion.
- main power storage device 10 stores electric power generated by motor generators 32 and 34. Note that a large-capacity capacitor may be used as the main power storage device 10.
- Main power storage device 10 supplies the stored power to converter 20.
- main power storage device 10 can supply power to positive electrode line PL3 and negative electrode line NL3 to which auxiliary power storage device 65 and auxiliary load 70 are connected via DC / DC converter 50.
- main power storage device 10 can supply power to outlet 75 via bidirectional charger 60.
- SMR 15 is provided between positive line PL 1 and negative line NL 1 connected to main power storage device 10 and positive line PL 2 and negative line NL 2 connected to converter 20.
- SMR 15 is a relay for electrically connecting / disconnecting positive electrode line PL1, negative electrode line NL1 and positive electrode line PL2, negative electrode line NL2.
- Converter 20 is provided between positive line PL2 and negative line NL2 and inverters 22 and 24. Based on signal PWC from MG-ECU 48, converter 20 boosts the input voltage of inverters 22 and 24 (voltage between converter 20 and inverters 22 and 24) to a voltage higher than that of main power storage device 10.
- Converter 20 is formed of a current reversible chopper circuit, for example.
- the inverters 22 and 24 are connected to the converter 20 in parallel with each other.
- Inverter 22 drives motor generator 32 based on signal PWI 1 from MG-ECU 48.
- Inverter 24 drives motor generator 34 based on signal PWI 2 from MG-ECU 48.
- Each of inverters 22 and 24 is constituted by, for example, a three-phase PWM inverter including switching elements for three phases.
- Each of the motor generators 32 and 34 is a motor generator capable of a power running operation and a regenerative operation, and is constituted by, for example, a three-phase AC synchronous motor generator in which a permanent magnet is embedded in a rotor.
- the motor generator 32 is mechanically connected to the planetary gear 38.
- the motor generator 32 generates a starting torque of the engine 36 that is mechanically coupled via the planetary gear 38 to start the engine 36. After the engine 36 is started, the motor generator 32 is driven by the engine 36 to generate electric power.
- the motor generator 34 is mechanically connected to the planetary gear 40.
- the motor generator 34 generates driving torque for driving to drive the drive wheels 44 via the planetary gear 40 and the transmission gear 42.
- the kinetic energy of the vehicle is transmitted from the drive wheels 44. Receive and generate electricity.
- Planetary gear 40 shifts the output of motor generator 34 and transmits it to transmission gear 42. Note that planetary gear 40 may be omitted and motor generator 34 may be directly connected to transmission gear 42.
- the engine 36 converts thermal energy from combustion of fuel into kinetic energy of a moving element such as a piston or a rotor, and outputs the converted kinetic energy to at least one of the drive wheels 44 and the motor generator 32 via the planetary gear 38.
- planetary gear 38 is mechanically connected to motor generator 32, engine 36 and transmission gear 42, and outputs the output of engine 36 divided into motor generator 32 and transmission gear 42.
- the DC / DC converter 50 is connected between the positive electrode line PL2, the negative electrode line NL2, and the positive electrode line PL3, the negative electrode line NL3. Based on signal CNTL2 from PM-ECU 80, DC / DC converter 50 converts the electric power supplied from positive electrode line PL2 and negative electrode line NL2 into the voltage level of auxiliary load 70 and outputs the voltage level to positive electrode line PL3.
- Hybrid vehicle 100 further includes power receiving unit 55, bidirectional charger 60, auxiliary power storage device 65, auxiliary load 70, outlet 75, positive line PL3, and negative line NL3.
- the hybrid vehicle 100 further includes a battery ECU (Electronic Control Unit) 46, an MG-ECU 48, and a PM-ECU 80.
- ECU Electronic Control Unit
- the power receiving unit 55 is configured to be connectable to the external power supply 90, and outputs power supplied from the external power supply 90 to the bidirectional charger 60.
- power reception unit 55 outputs a connection signal CNCT indicating a connection state with external power supply 90 to PM-ECU 80.
- the power receiving unit 55 activates the connection signal CNCT.
- the power receiving unit 55 may be configured with an inlet that can be fitted with a connector on the external power supply 90 side, or may be configured with a plug that can be fitted with an outlet of the external power supply 90.
- Bidirectional charger 60 includes power receiving unit 55, positive line PL1 and negative line NL1 to which main power storage device 10 is connected, positive line PL3 and negative line to which auxiliary power storage device 65 and auxiliary load 70 are connected. It is electrically connected to NL3 and outlet 75.
- Bidirectional charger 60 converts electric power supplied from external power supply 90 into a voltage level of main power storage device 10 based on signal CNTL1 from PM-ECU 80, and outputs the voltage level to positive line PL1 and negative line NL1. The power storage device 10 is charged.
- Bidirectional charger 60 converts the power supplied from external power supply 90 into the voltage level of auxiliary load 70 and outputs the voltage to positive line PL3 and negative line NL3 to supply electric power to auxiliary load 70.
- the bidirectional charger 60 is configured so that the power output from the main power storage device 10 can be converted into voltage and output to the outlet 75. Furthermore, the bidirectional charger 60 is configured to be able to convert the power output from the auxiliary power storage device 65 to voltage and output it to the outlet 75. In other words, bidirectional charger 60 converts power supplied from external power supply 90 into a voltage to charge main power storage device 10 and supply it to auxiliary load 70. Also, main power storage device 10 and auxiliary power storage device The electric power stored in 65 can be converted into voltage and output to the outlet 75. As an example, bidirectional charger 60 converts the electric power stored in main power storage device 10 and auxiliary power storage device 65 to AC 100 V and outputs it to outlet 75. The detailed configuration of the bidirectional charger 60 will be described later.
- the auxiliary power storage device 65 is a rechargeable DC power supply, and is constituted by a secondary battery such as lead, nickel metal hydride, or lithium ion, for example. A capacitor may be used instead of the secondary battery.
- Auxiliary power storage device 65 is connected to positive line PL3 and negative line NL3, and is charged by receiving power from bidirectional charger 60 or DC / DC converter 50.
- Auxiliary machine load 70 generally represents the auxiliary machine of hybrid vehicle 100 that operates by receiving electric power from DC / DC converter 50, bidirectional charger 60, or auxiliary power storage device 65 charged by them. It is.
- the outlet 75 is an electric power output unit for outputting electric power to electric appliances such as home appliances and personal computers.
- the outlet 75 is electrically connected to the bidirectional charger 60 and outputs the electric power received from the bidirectional charger 60 to an electric device connected to the outlet 75. Further, the outlet 75 is provided with an AC switch (not shown) for enabling it, and when the AC switch is turned on, a signal ACSW output to the PM-ECU 80 is activated.
- the battery ECU 46 can output power indicating the power that can be output by the main power storage device 10 through software processing by executing a program stored in advance by a CPU (Central Processing Unit) and / or hardware processing by a dedicated electronic circuit. Set Wout. Outputtable power Wout is set to suppress overdischarge of main power storage device 10. Battery ECU 46 calculates the state of charge of main power storage device 10 (hereinafter also referred to as “SOC (State Of Charge)”, for example, expressed as a percentage of the capacity of main power storage device 10).
- SOC State Of Charge
- the method of calculating using the relationship between the open circuit voltage (OCV (Open Circuit Voltage)) of the main electrical storage apparatus 10 and SOC, and the method of calculating using the integrated value of input-output current can be used.
- Battery ECU 46 then outputs outputtable power Wout and the SOC of main power storage device 10 to MG-ECU 48 and PM-ECU 80.
- the MG-ECU 48 controls the operation of the converter 20 and the inverters 22 and 24 by software processing by executing a program stored in advance by the CPU and / or hardware processing by a dedicated electronic circuit. Specifically, MG-ECU 48 calculates a required value of travel power (hereinafter referred to as “required travel power”) from the operation amount of the accelerator pedal, the vehicle speed, and the like. Then, MG-ECU 48 generates a signal (for example, a PWM (Pulse Width Modulation) signal) for driving motor generator 34 based on the calculated required traveling power, and the generated signal is used as an inverter as signal PWI2. To 24.
- a PWM Pulse Width Modulation
- MG-ECU 48 When the required traveling power exceeds the outputtable power Wout of main power storage device 10, MG-ECU 48 generates a signal (for example, PWM signal) for driving motor generator 32, and the generated signal is used as signal PWI1 as an inverter. 22 to output. Thereby, the engine 36 is started. Further, even when the SOC decreases to a predetermined threshold value indicating a decrease in the SOC of main power storage device 10, MG-ECU 48 generates signal PWI1 and outputs it to inverter 22 to start engine 36. Thereby, motor generator 32 generates electric power using the output of engine 36, and main power storage device 10 is charged.
- a signal for example, PWM signal
- EV Electric Vehicle
- HV Hybrid Vehicle
- MG-ECU 48 outputs the required travel power during EV travel to PM-ECU 80 as EV required power Pev.
- MG-ECU 48 generates a signal (for example, a PWM signal) for driving converter 20, and outputs the generated signal to converter 20 as signal PWC.
- PM-ECU 80 controls the operation of bidirectional charger 60 by software processing by executing a program stored in advance by the CPU and / or hardware processing by a dedicated electronic circuit. Specifically, PM-ECU 80 supplies power received from power receiving unit 55 to main power storage device 10 and auxiliary load 70 when main power storage device 10 is charged by external power supply 90 (hereinafter referred to as “external charging”). Thus, a signal CNTL 1 for driving the bidirectional charger 60 is generated and output to the bidirectional charger 60.
- the PM-ECU 80 determines whether or not the outlet 75 is used based on the signal ACSW from the outlet 75, and executes control for supplying power from the bidirectional charger 60 to the outlet 75 when the outlet 75 is used. To do. Specifically, when EV request power Pev received from MG-ECU 48 increases when outlet 75 is used, PM-ECU 80 converts the electric power stored in auxiliary power storage device 65 into voltage and supplies it to outlet 75. Thus, the signal CNTL1 is generated. For example, if EV required power Pev increases to the extent that the sum of EV required power Pev and the output from outlet 75 exceeds the outputable power Wout of main power storage device 10, PM-ECU 80 stores in auxiliary power storage device 65. A signal CNTL1 is generated so that the converted electric power is converted into a voltage and supplied to the outlet 75.
- PM-ECU 80 when EV required power Pev is not large, PM-ECU 80 generates signal CNTL1 so as to supply electric power stored in main power storage device 10 to outlet 75.
- the PM-ECU 80 stores the power in the main power storage device 10.
- a signal CNTL1 is generated so that the converted electric power is converted into a voltage and supplied to the outlet 75.
- PM-ECU 80 then outputs the generated signal CNTL1 to bidirectional charger 60.
- PM-ECU 80 also compensates from positive line PL2 and negative line NL2 when the SOC of auxiliary power storage device 65 decreases when power receiving unit 55 is not connected to external power supply 90 (for example, during travel).
- Signal CNTL2 is generated so as to supply electric power to power storage device 65 for machine and auxiliary machine load 70, and generated signal CNTL2 is output to bidirectional charger 60.
- FIG. 2 is a diagram showing the flow of power during external charging.
- main power storage device 10 is charged by external power supply 90 using bidirectional charger 60 (path a).
- electric power is supplied from the external power source 90 to the auxiliary load 70 using the bidirectional charger 60 (path b).
- FIG. 3 is a diagram showing the flow of power when the outlet 75 is used.
- the required travel power (EV required power Pev) required for travel is not large, power is supplied from main power storage device 10 to inverter 24 via converter 20 (path c), and main power storage Electric power is supplied from the apparatus 10 to the outlet 75 via the bidirectional charger 60 (path d).
- path c main power storage Electric power is supplied from the apparatus 10 to the outlet 75 via the bidirectional charger 60
- the power of the route c is zero.
- the required travel power (EV required power Pev) increases, power is supplied from the auxiliary power storage device 65 to the outlet 75 via the bidirectional charger 60 for power supply to the outlet 75 (path e).
- the power is supplied from the auxiliary power storage device 65 to the outlet 75 via the bidirectional charger 60.
- EV traveling can be performed until the traveling power reaches the outputable power Wout, and the use of the outlet 75 can be ensured.
- FIG. 4 is a circuit diagram of the bidirectional charger 60 shown in FIG.
- bidirectional charger 60 includes a main circuit 110 and a sub power supply circuit 120.
- Main circuit 110 includes AC / DC converters 112, 114, and 118, and insulating transformer 116.
- Each of the AC / DC converters 112, 114, and 118 is constituted by a single-phase bridge circuit, and can perform power conversion in both directions.
- the AC / DC conversion unit 112 converts AC power from the external power source 90 input from the power receiving unit 55 during external charging into DC power based on a signal CNTL1 from the PM-ECU 80 (FIG. 1), and converts the AC / DC into AC / DC.
- the data is output to the conversion unit 114.
- AC / DC conversion unit 112 can convert DC power received from AC / DC conversion unit 114 into AC power and supply it to outlet 75 when power is supplied from main power storage device 10 to outlet 75.
- the AC / DC converter 114 converts the DC power received from the AC / DC converter 112 into a high-frequency AC power and outputs it to the insulation transformer 116 during external charging. Further, AC / DC conversion unit 114 can convert AC power received from insulating transformer 116 into DC power and output it to AC / DC conversion unit 112 when power is supplied from main power storage device 10 to outlet 75.
- the insulating transformer 116 includes a core made of a magnetic material, and a primary coil and a secondary coil wound around the core.
- the primary coil and the secondary coil are electrically insulated and connected to the AC / DC converters 114 and 118, respectively.
- Insulation transformer 116 performs voltage conversion between AC / DC converters 114 and 118 according to the turn ratio of the primary coil and the secondary coil.
- AC / DC conversion unit 118 converts AC power output from insulation transformer 116 into DC power during external charging and outputs the DC power to main power storage device 10 (FIG. 1). Further, AC / DC conversion unit 118 can convert DC power output from main power storage device 10 to high-frequency AC power and output it to insulation transformer 116 when power is supplied from main power storage device 10 to outlet 75. it can.
- the outlet 75 is connected to the power reception unit 55 side of the AC / DC conversion unit 112.
- the connection place of the outlet 75 is not limited to this.
- the outlet 75 may be connected to the primary side or the secondary side of the insulating transformer 116. If the output of the outlet 75 is DC power, the direct current between the AC / DC conversion unit 112 and the AC / DC conversion unit 114 may be used.
- An outlet 75 may be connected to the wire.
- the sub power circuit 120 is connected to the power reception unit 55 side of the AC / DC conversion unit 112 of the main circuit 110.
- the circuit configuration of the sub power supply circuit 120 is the same as that of the main circuit 110, but the capacity of the sub power supply circuit 120 is smaller than that of the main circuit 110. This is because the sub power supply circuit 120 is provided to acquire auxiliary power during external charging from the external power supply 90, and a smaller capacity than the main circuit 110 is sufficient.
- the sub power circuit 120 includes AC / DC converters 122, 124, and 128, and an insulating transformer 126.
- Each of AC / DC converters 122, 124, and 128 is configured by a single-phase bridge circuit, and can perform power conversion in both directions.
- AC / DC conversion unit 122 Based on signal CNTL1 from PM-ECU 80, AC / DC conversion unit 122 converts AC power from external power supply 90 input from power receiving unit 55 during external charging into DC power, and supplies it to AC / DC conversion unit 124. Output. Further, AC / DC conversion unit 122 can convert the DC power received from AC / DC conversion unit 124 into AC power and supply it to outlet 75 when power is supplied from auxiliary power storage device 65 to outlet 75. .
- the AC / DC converter 124 converts the DC power received from the AC / DC converter 122 into high-frequency AC power and outputs it to the insulation transformer 126 during external charging.
- AC / DC converter 124 may convert AC power received from insulation transformer 126 into DC power and output the AC power to AC / DC converter 122 when power is supplied from auxiliary power storage device 65 to outlet 75. it can.
- the insulating transformer 126 includes a core made of a magnetic material, and a primary coil and a secondary coil wound around the core.
- the primary coil and the secondary coil are electrically insulated and connected to the AC / DC converters 124 and 128, respectively.
- Insulation transformer 126 performs voltage conversion between AC / DC converters 124 and 128 according to the turn ratio of the primary coil and the secondary coil.
- the AC / DC conversion unit 128 converts the AC power output from the insulation transformer 126 into DC power and outputs it to the auxiliary power storage device 65 during external charging.
- the AC / DC converter 128 converts the DC power output from the auxiliary power storage device 65 into high frequency AC power to the insulation transformer 126 when power is supplied from the auxiliary power storage device 65 to the outlet 75. Can be output.
- the power from the external power supply 90 input from the power receiving unit 55 is converted into DC power by the AC / DC conversion unit 112 of the main circuit 110, and the AC / DC conversion unit. 114 is converted into high-frequency AC power.
- the high-frequency AC power output from the AC / DC conversion unit 114 is applied to the AC / DC conversion unit 118 via the insulating transformer 116, converted into DC power by the AC / DC conversion unit 118, and supplied to the main power storage device 10. Supplied.
- a part of the electric power from the external power supply 90 input from the power receiving unit 55 is converted into DC power by the AC / DC conversion unit 122 of the sub power supply circuit 120, and the AC / DC conversion unit 124 generates a high frequency. Is converted into AC power.
- the high-frequency AC power output from the AC / DC conversion unit 124 is supplied to the AC / DC conversion unit 128 via the insulation transformer 126, and is converted into DC power by the AC / DC conversion unit 128, and the auxiliary load 70 and Supplied to auxiliary power storage device 65.
- the power output from the main power storage device 10 is converted into high-frequency AC power by the AC / DC conversion unit 118 of the main circuit 110.
- the high-frequency AC power output from the AC / DC converter 118 is supplied to the AC / DC converter 114 via the insulation transformer 116, converted into AC power by the AC / DC converter 112, and supplied to the outlet 75.
- the power output from the auxiliary power storage device 65 is converted into high-frequency AC power by the AC / DC conversion unit 128 of the sub power supply circuit 120.
- the high-frequency AC power output from the AC / DC conversion unit 128 is supplied to the AC / DC conversion unit 124 through the insulation transformer 126, converted into AC power by the AC / DC conversion unit 122, and supplied to the outlet 75.
- FIG. 5 is a flowchart for determining a power supply path to the outlet 75. The process shown in this flowchart is called from the main routine and executed at regular time intervals or whenever a predetermined condition is satisfied.
- PM-ECU 80 determines whether or not the AC switch for requesting the user to use outlet 75 is turned on (step S10). If it is determined that the AC switch is turned off (NO in step S10), PM-ECU 80 proceeds to step S80 without executing a series of subsequent processes.
- step S10 If it is determined in step S10 that the AC switch is turned on (YES in step S10), PM-ECU 80 determines whether or not the SOC of main power storage device 10 is higher than a predetermined threshold value indicating the decrease. Determination is made (step S20). If it is determined that the SOC is higher than the threshold value (YES in step S20), PM-ECU 80 determines whether or not the vehicle is in the READY on state (step S30). Note that the READY on state indicates that the vehicle system is activated.
- PM-ECU 80 When it is determined that the state of the vehicle is the READY on state (YES in step S30), PM-ECU 80 indicates the EV required power Pev received from MG-ECU 48 (FIG. 1) and the power output from outlet 75. It is determined whether or not the sum of the output power Pout is equal to or less than the outputtable power Wout of the main power storage device 10 (step S40).
- the output power Pout is detected by a power sensor (not shown), a voltage sensor, and a current sensor. Instead of the actually measured output power Pout, the rated power of the outlet 75 indicating the maximum power consumption of the outlet 75 may be used.
- PM-ECU 80 causes motor generator 34 to Inverter 24 and converter 20 are controlled to generate EV required power Pev, and bidirectional charger 60 is controlled so that power is supplied from main power storage device 10 to outlet 75 (step S50).
- traveling power is supplied from main power storage device 10 to motor generator 34 via path c shown in FIG. 3, and power is supplied from main power storage device 10 to outlet 75 via path d.
- step S40 when it is determined in step S40 that the sum of EV required power Pev and output power Pout of outlet 75 is larger than output possible power Wout of main power storage device 10 (NO in step S40), PM-ECU 80
- the inverter 24 and the converter 20 are controlled so that the motor generator 34 generates the EV required power Pev, and the bidirectional charger 60 is controlled so that power is supplied from the auxiliary power storage device 65 to the outlet 75 (step). S60).
- traveling power is supplied from main power storage device 10 to motor generator 34 via path c shown in FIG. 3, and power is supplied from auxiliary power storage device 65 to outlet 75 via path e.
- step S20 When it is determined in step S20 that the SOC of main power storage device 10 is equal to or less than the threshold value (NO in step S20), or in step S30, it is determined that the vehicle state is not the READY on state (step S30). NO), the PM-ECU 80 disables the use of the outlet 75 (step S70).
- the inability to use the outlet 75 is realized, for example, by shutting down the bidirectional charger 60 or turning off a relay (not shown) provided between the bidirectional charger 60 and the outlet 75.
- the electric power stored in the auxiliary power storage device 65 is supplied to the bidirectional charger 60.
- the power is output to the outlet 75 via the sub power circuit 120. Therefore, it is not necessary to distribute the power output from main power storage device 10 to outlet 75 when outlet 75 is used. Therefore, according to this Embodiment 1, electric power can be supplied to the electric equipment containing household appliances, ensuring driving
- power can be output from main power storage device 10 and auxiliary power storage device 65 to outlet 75 by bidirectionalizing a charger for external charging. There is no need to provide a dedicated converter to output power to
- power can be output from the auxiliary power storage device 65 to the outlet 75 by bidirectionalizing the small-capacity sub power supply circuit 120. Loss when power is output from auxiliary power storage device 65 to outlet 75 can be reduced.
- FIG. 6 is an overall configuration diagram of a hybrid vehicle shown as an example of an electric vehicle according to the second embodiment.
- hybrid vehicle 100A further includes a car navigation device 85 in the configuration of hybrid vehicle 100 according to the first embodiment shown in FIG. 1, and includes PM-ECU 80A instead of PM-ECU 80.
- the car navigation device 85 collects information on the road to the destination and transmits it to the PM-ECU 80A.
- the track information includes, for example, information such as the distance to the destination, the gradient of the track, and the speed limit.
- PM-ECU 80A predicts EV traveling power along the traveling path to the destination based on the traveling path information received from car navigation device 85. For example, EV traveling power is predicted along the traveling path for each predetermined unit section, and an increase in EV traveling power is predicted in traveling sections such as uphill roads and highways. PM-ECU 80A executes control for increasing the SOC of auxiliary power storage device 65 before hybrid vehicle 100A travels in a travel section in which an increase in EV travel power is predicted. Specifically, PM-ECU 80A controls DC / DC converter 50 so that power is supplied from main power storage device 10 to auxiliary power storage device 65 via DC / DC converter 50.
- PM-ECU 80A The other functions of PM-ECU 80A are the same as those of PM-ECU 80 in the first embodiment.
- Other configurations of hybrid vehicle 100A are the same as hybrid vehicle 100 according to the first embodiment.
- FIG. 7 is a flowchart for explaining the control executed by the PM-ECU 80A shown in FIG. The process shown in this flowchart is also called from the main routine and executed every certain time or every time a predetermined condition is satisfied.
- PM-ECU 80A determines whether or not the AC switch for requesting the user to use outlet 75 is turned on (step S110). If it is determined that the AC switch is turned off (NO in step S110), PM-ECU 80A shifts the process to step S210 without executing a series of subsequent processes.
- step S110 If it is determined in step S110 that the AC switch is turned on (YES in step S110), PM-ECU 80A determines whether or not the destination is set in car navigation device 85 (step S120). When the destination is not set (NO in step S120), PM-ECU 80A shifts the process to step S210.
- step S120 If it is determined in step S120 that the destination is set (YES in step S120), PM-ECU 80A obtains the road information (information such as the gradient of the road and the speed limit) from the car navigation device 85 to the destination. (Step S130). Then, the PM-ECU 80A predicts the EV travel power along the travel path to the destination by calculating the EV required power Pev along the travel path to the destination using the acquired travel path information ( Step S140).
- the road information information such as the gradient of the road and the speed limit
- PM-ECU 80A extracts a travel section in which a value obtained by adding output power Pout of outlet 75 to EV required power Pev calculated in step S140 is greater than output possible power Wout of main power storage device 10 (step S150). ).
- the output power Pout (W) of the outlet 75 is the rated power of the outlet 75 in preparation for the maximum use of the outlet 75.
- the PM-ECU 80A predicts the output power amount (Wh) of the outlet 75 in each travel section extracted in step S150 (step S160). For example, the travel time of each travel section extracted is predicted based on the travel path information from the car navigation device 85 to the destination, and the output power amount of the outlet 75 in each travel section (based on the predicted travel time ( Wh) can be calculated.
- the PM-ECU 80A calculates the SOC of the auxiliary power storage device 65 (step S170).
- the SOC of the auxiliary power storage device 65 can be calculated using various known methods based on the voltage and input / output current of the auxiliary power storage device 65.
- the PM-ECU 80A determines whether or not the auxiliary power storage device 65 needs to be charged in advance for the next travel section as viewed from the current travel point among the travel sections extracted in step S150. (Step S180). Specifically, based on the outlet output power amount of the next travel section calculated in step S160 and the SOC of the auxiliary power storage device 65 calculated in step S170, the next travel section extracted in step S150. Therefore, it is determined whether or not auxiliary power storage device 65 needs to be charged.
- PM-ECU 80A causes auxiliary power storage device 65 from main power storage device 10 via DC / DC converter 50.
- the operation of the DC / DC converter 50 is controlled so that electric power is supplied to (step S190). If it is determined that charging of auxiliary power storage device 65 is unnecessary (NO in step S180), PM-ECU 80A shifts the process to step S200.
- PM-ECU 80A determines whether or not hybrid vehicle 100A has reached the destination based on the road information from car navigation device 85 (step S200). If it is determined that hybrid vehicle 100A has not yet reached the destination (NO in step S200), PM-ECU 80A returns the process to step S170. If it is determined that hybrid vehicle 100A has reached the destination (YES in step S200), PM-ECU 80A shifts the process to step S210.
- auxiliary power storage device 65 when the traveling power is expected to increase, the SOC of auxiliary power storage device 65 is increased in advance in preparation for power supply from auxiliary power storage device 65 to outlet 75. It is done. Therefore, according to the second embodiment, it is possible to avoid that outlet 75 becomes unusable due to power shortage of auxiliary power storage device 65.
- the third embodiment also prepares for power supply from the auxiliary power storage device 65 to the outlet 75 when an increase in travel power is expected based on the information on the travel path.
- the SOC of power storage device 65 is increased in advance.
- the sub power supply circuit of the bidirectional charger when power is supplied from the main power storage device 10 to the auxiliary power storage device 65 in order to increase the SOC of the auxiliary power storage device 65, the sub power supply circuit of the bidirectional charger is used.
- the sub power supply circuit of the bidirectional charger is provided to supply power from the external power supply 90 to the auxiliary load 70 during external charging, and has a small capacity but a small loss. Therefore, in the third embodiment, the power supply path from main power storage device 10 to auxiliary power storage device 65 is switched according to the amount of power supplied from main power storage device 10 to auxiliary power storage device 65.
- FIG. 8 is an overall configuration diagram of a hybrid vehicle shown as an example of an electric vehicle according to the third embodiment.
- hybrid vehicle 100B includes bidirectional charger 60A and PM in place of bidirectional charger 60 and PM-ECU 80A in the configuration of hybrid vehicle 100A according to the second embodiment shown in FIG. -An ECU 80B is provided.
- FIG. 9 is a circuit diagram of the bidirectional charger 60A shown in FIG.
- bidirectional charger 60 ⁇ / b> A includes sub power supply circuit 120 ⁇ / b> A instead of sub power supply circuit 120 in the configuration of bidirectional charger 60 shown in FIG. 4.
- the sub power circuit 120A has a configuration that does not include the AC / DC converter 122 in the sub power circuit 120 shown in FIG. Then, the DC side of AC / DC converter 124 is connected to the DC side of main circuit 110 (main power storage device 10 side).
- the bidirectional charger 60A can supply power from the main power storage device 10 to the auxiliary power storage device 65 via the sub power supply circuit 120A. That is, the power output from main power storage device 10 is supplied to AC / DC conversion unit 124 of sub power supply circuit 120A, and is converted into high-frequency AC power by AC / DC conversion unit 124. The high-frequency AC power output from the AC / DC conversion unit 124 is supplied to the AC / DC conversion unit 128 via the insulation transformer 126, and is converted into DC power by the AC / DC conversion unit 128 to be stored in the auxiliary power storage device. 65 is supplied.
- power can be supplied from the main power storage device 10 to the auxiliary power storage device 65 via the bidirectional charger 60A as described above. Therefore, there are two paths for supplying power from main power storage device 10 to auxiliary power storage device 65 in order to increase the SOC of auxiliary power storage device 65 in advance when an increase in travel power is expected.
- FIG. 10 is a diagram showing a power supply path from the main power storage device 10 to the auxiliary power storage device 65.
- path f through DC / DC converter 50 and bidirectional charger 60A (more specifically, sub power supply circuit)
- route g via 120A There are two routes with route g via 120A).
- the DC / DC converter 50 is originally provided for generating electric power for the auxiliary load 70 and has a capacity capable of supplying sufficient electric power to the auxiliary load 70.
- bi-directional charger 60A is provided for external charging. Power supply from main power storage device 10 and auxiliary power storage device 65 to outlet 75, or from main power storage device 10 to auxiliary power storage device is provided. It is bidirectional so that power can be supplied to 65. As shown in FIG. 9, power is supplied from main power storage device 10 to auxiliary power storage device 65 via sub power supply circuit 120A of bidirectional charger 60A.
- the sub power supply circuit 120A is provided to secure the power of the limited auxiliary load 70 that operates during external charging from the external power supply 90, and has a smaller capacity than the DC / DC converter 50. The loss is small. Therefore, in the third embodiment, the power supplied from main power storage device 10 to auxiliary power storage device 65 in order to increase the SOC of auxiliary power storage device 65 in advance is supplied to sub power supply circuit 120A of bidirectional charger 60A. When it is within the rating, electric power is supplied from the main power storage device 10 to the auxiliary power storage device 65 via the sub power circuit 120A of the bidirectional charger 60A.
- FIG. 11 is a flowchart for explaining the control executed by the PM-ECU 80B shown in FIG. Referring to FIG. 11, this flowchart further includes steps S182 and S184 in the flowchart shown in FIG. That is, when it is determined in step S180 that the auxiliary power storage device 65 needs to be charged in advance for the next travel section as viewed from the current travel point among the travel sections extracted in step S150 ( In step S180, YES), PM-ECU 80B determines whether or not the charging power is within the rating of sub power supply circuit 120A (step S182). For example, when the SOC of auxiliary power storage device 65 is greatly reduced and charging with power exceeding the rating of sub power circuit 120A is required, the charging power exceeds the rating of sub power circuit 120A. Determined.
- step S182 If it is determined in step S182 that the charging power from main power storage device 10 to auxiliary power storage device 65 is within the rating of sub power supply circuit 120A (YES in step S182), PM-ECU 80B The operation of the sub power supply circuit 120A is controlled so that electric power is supplied from the device 10 to the auxiliary power storage device 65 via the sub power supply circuit 120A of the bidirectional charger 60A (step S184).
- step S182 when it is determined that the charging power from main power storage device 10 to auxiliary power storage device 65 exceeds the rating of sub power supply circuit 120A (NO in step S182), the process proceeds to step S190, and main power storage device 10 The DC / DC converter 50 is controlled so that electric power is supplied from the power source to the auxiliary power storage device 65 via the DC / DC converter 50.
- auxiliary power storage device 65 when the SOC of auxiliary power storage device 65 is increased in advance in preparation for power supply from auxiliary power storage device 65 to outlet 75, power to auxiliary power storage device 65 is supplied.
- the power supply amount is not large, power is supplied from the main power storage device 10 to the auxiliary power storage device 65 via the sub power supply circuit 120A having a smaller capacity than the DC / DC converter 50. Therefore, according to the third embodiment, loss can be suppressed more than when power is supplied from main power storage device 10 to auxiliary power storage device 65 via DC / DC converter 50 uniformly.
- Embodiment 4 In Embodiments 1 to 3 described above, the electric vehicle that can be externally charged has been described. However, the present invention is also applicable to an electric vehicle that does not have an external charging function.
- FIG. 12 is an overall configuration diagram of a hybrid vehicle shown as an example of an electric vehicle according to the fourth embodiment.
- hybrid vehicle 100C includes a power converter 150 and a PM-ECU 80C in place of bidirectional charger 60 and PM-ECU 80 in the configuration of hybrid vehicle 100 shown in FIG.
- FIG. 13 is a configuration diagram of the power converter 150 shown in FIG.
- power converter 150 includes a step-down circuit 152, a step-up circuit 154, and an inverter 156.
- Step-down circuit 152 is electrically connected to positive electrode line PL1 and negative electrode line NL1 to which main power storage device 10 is connected.
- Inverter 156 is connected between step-down circuit 152 and outlet 75.
- Boost circuit 154 is connected between a power line between step-down circuit 152 and inverter 156 and auxiliary power storage device 65.
- the step-down circuit 152 steps down the power output from the main power storage device 10 and outputs it to the inverter 156.
- Booster circuit 154 boosts the power output from auxiliary power storage device 65 and supplies the boosted power to inverter 156.
- Inverter 156 converts the DC power received from step-down circuit 152 or step-up circuit 154 into predetermined AC power and supplies it to outlet 75.
- PM-ECU 80C executes control for supplying power from bidirectional charger 60 to outlet 75. Specifically, when EV request power Pev received from MG-ECU 48 increases when outlet 75 is used, PM-ECU 80C converts the electric power stored in auxiliary power storage device 65 to supply voltage to outlet 75. Thus, the signal CNTL3 is generated and output to the power converter 150. For example, when EV required power Pev is not large, PM-ECU 80C generates signal CNTL3 so as to supply electric power stored in main power storage device 10 to outlet 75, and outputs it to power converter 150.
- the other configuration of the hybrid vehicle 100C is the same as that of the hybrid vehicle 100 shown in FIG.
- auxiliary power storage device 65 It is possible to charge auxiliary power storage device 65 from main power storage device 10 via step-down circuit 152 and step-up circuit 154 by configuring boosting circuit 154 shown in FIG. It becomes. Thereby, the same function as Embodiments 2 and 3 can be realized except for the external charging function.
- the outlet 75 is connected to the power receiving unit 55 side of the AC / DC conversion unit 112 of the main circuit 110, but the connection location of the outlet 75 is not necessarily limited to this. Instead, the outlet 75 may be connected to the primary side or the secondary side of the insulating transformer 116.
- EV traveling in hybrid vehicle 100 (100A to 100C) has been described.
- the present invention is not limited to control during EV traveling in a hybrid vehicle, and can be applied during HV traveling. is there.
- the scope of application of the present invention is not limited to hybrid vehicles, but also includes electric vehicles such as electric vehicles and fuel cell vehicles not equipped with an engine.
- hybrid vehicle 100 (100A to 100C) shown as an example of the electric vehicle is a series / parallel type in which the power of engine 36 can be divided by planetary gear 38 and transmitted to drive wheels 44 and motor generator 32.
- the present invention is also applicable to other types of hybrid vehicles. That is, for example, a so-called series type hybrid vehicle that uses the engine 36 only to drive the motor generator 32 and generates the driving force of the vehicle only by the motor generator 34, or a motor as required using the engine as the main power.
- the present invention is also applicable to a motor assist type hybrid vehicle that assists.
- motor generator 34 corresponds to an embodiment of “electric motor” in the present invention
- bidirectional chargers 60, 60A and power converter 150 are each one of “power converter” in the present invention.
- PM-ECUs 80, 80A to 80C correspond to an embodiment of “control device” in the present invention
- car navigation device 85 corresponds to an embodiment of “information device” in the present invention.
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Abstract
Description
図1は、この発明の実施の形態1による電動車両の一例として示されるハイブリッド車両の全体構成図である。図1を参照して、ハイブリッド車両100は、主蓄電装置10と、システムメインリレー(以下「SMR(System Main Relay)」とも称する。)15と、コンバータ20と、インバータ22,24と、モータジェネレータ32,34とを備える。また、ハイブリッド車両100は、エンジン36と、プラネタリギヤ38,40と、伝達ギヤ42と、駆動輪44と、DC/DCコンバータ50と、正極線PL1,PL2と、負極線NL1,NL2とをさらに備える。
この実施の形態2では、走路の情報に基づいて走行パワーの増加が見込まれるときは、補機用蓄電装置65からコンセント75への給電に備えて、補機用蓄電装置65のSOCが予め高められる。
実施の形態3も、上記の実施の形態2と同様に、走路の情報に基づいて走行パワーの増加が見込まれるとき、補機用蓄電装置65からコンセント75への給電に備えて、補機用蓄電装置65のSOCが予め高められる。
上記の実施の形態1~3では、外部充電可能な電動車両について説明したが、この発明は、外部充電機能を有していない電動車両にも適用可能である。
Claims (11)
- 主蓄電装置(10)と、
前記主蓄電装置から電力の供給を受けて走行駆動力を発生する電動機(34)と、
補機用蓄電装置(65)と、
家電製品を含む電気機器へ電力を出力可能に構成された電力出力部(75)と、
前記主蓄電装置、前記補機用蓄電装置および前記電力出力部に電気的に接続され、前記主蓄電装置に蓄えられた電力または前記補機用蓄電装置に蓄えられた電力を電圧変換して前記電力出力部へ出力可能に構成された電力変換装置(60,60A,150)と、
前記電力出力部の使用時に前記走行駆動力が増加したとき、前記補機用蓄電装置に蓄えられた電力を電圧変換して前記電力出力部へ出力するように前記電力変換装置を制御する制御装置(80,80A~80C)とを備える電動車両。 - 前記電力出力部の使用時に、前記走行駆動力が増加することによって、前記主蓄電装置が出力可能な電力を示す出力可能電力を前記主蓄電装置の出力が超えることになるとき、前記制御装置は、前記補機用蓄電装置に蓄えられた電力を電圧変換して前記電力出力部へ出力するように前記電力変換装置を制御する、請求項1に記載の電動車両。
- 前記電力変換装置は、車両外部の電源から供給される電力を電圧変換して前記主蓄電装置および前記補機用蓄電装置を充電する充電器(60,60A)を含み、
前記充電器は、前記主蓄電装置に蓄えられた電力または前記補機用蓄電装置に蓄えられた電力を電圧変換して前記電力出力部へ出力可能なように、双方向に電力変換可能に構成される、請求項1または2に記載の電動車両。 - 前記充電器は、
前記電源と前記主蓄電装置との間で双方向に電圧変換可能に構成された主回路(110)と、
前記電源と前記補機用蓄電装置との間で双方向に電圧変換可能に構成され、前記主回路よりも容量が小さいサブ電源回路(120,120A)とを含む、請求項3に記載の電動車両。 - 前記制御装置(80A,80B)は、さらに、前記走行駆動力が増加するとき、前記補機用蓄電装置の充電状態を予め高めるように前記補機用蓄電装置の充電状態を制御する、請求項1または2に記載の電動車両。
- 走路に関する情報を有する情報装置(85)をさらに備え、
前記制御装置は、前記情報装置からの走路情報に基づいて前記走行駆動力の増加が予測されるとき、前記補機用蓄電装置の充電状態を予め高めるように前記補機用蓄電装置の充電状態を制御する、請求項5に記載の電動車両。 - 前記主蓄電装置から出力される電力を電圧変換して前記補機用蓄電装置へ出力する電圧変換器(50)をさらに備え、
前記電力変換装置は、車両外部の電源から供給される電力を電圧変換して前記主蓄電装置および前記補機用蓄電装置を充電する充電器(60A)を含み、
前記充電器は、
前記電源と前記主蓄電装置との間で双方向に電圧変換可能に構成された主回路(110)と、
前記電源と前記補機用蓄電装置との間で双方向に電圧変換可能に構成され、前記主回路よりも容量が小さいサブ電源回路(120A)とを含み、
前記サブ電源回路は、前記主回路の前記主蓄電装置側に電気的に接続され、
前記制御装置(80B)は、前記補機用蓄電装置の充電状態を予め高めるように前記補機用蓄電装置の充電状態を制御する場合において、
前記補機用蓄電装置へ供給される電力が前記サブ電源回路の定格内のとき、前記サブ電源回路を用いて前記主蓄電装置から前記補機用蓄電装置へ電力を供給するように前記サブ電源回路を制御し、
前記補機用蓄電装置へ供給される電力が前記サブ電源回路の定格を超えるとき、前記電圧変換器を用いて前記主蓄電装置から前記補機用蓄電装置へ電力を供給するように前記電圧変換器を制御する、請求項5に記載の電動車両。 - 電動車両の制御方法であって、
前記電動車両は、
主蓄電装置(10)と、
前記主蓄電装置から電力の供給を受けて走行駆動力を発生する電動機(34)と、
補機用蓄電装置(65)と、
家電製品を含む電気機器へ電力を出力可能に構成された電力出力部(75)と、
前記主蓄電装置、前記補機用蓄電装置および前記電力出力部に電気的に接続され、前記主蓄電装置に蓄えられた電力または前記補機用蓄電装置に蓄えられた電力を電圧変換して前記電力出力部へ出力可能に構成された電力変換装置(60,60A,150)とを備え、
前記制御方法は、
前記電力出力部の使用が要求されているか否かを判定するステップと、
前記電力出力部の使用が要求されている場合に前記走行駆動力が増加したとき、前記補機用蓄電装置に蓄えられた電力を電圧変換して前記電力出力部へ出力するように前記電力変換装置を制御するステップとを含む、電動車両の制御方法。 - 前記電力変換装置を制御するステップは、
前記電力出力部の使用時に、前記走行駆動力が増加することによって、前記主蓄電装置が出力可能な電力を示す出力可能電力を前記主蓄電装置の出力が超えるか否かを判定するステップと、
前記主蓄電装置の出力が前記出力可能電力を超えると判定されたとき、前記補機用蓄電装置に蓄えられた電力を電圧変換して前記電力出力部へ出力するように前記電力変換装置を制御するステップとを含む、請求項8に記載の電動車両の制御方法。 - 前記走行駆動力が増加するとき、前記補機用蓄電装置の充電状態を予め高めるように前記補機用蓄電装置の充電状態を制御するステップをさらに含む、請求項8または9に記載の電動車両の制御方法。
- 前記電動車両は、前記主蓄電装置から出力される電力を電圧変換して前記補機用蓄電装置へ出力する電圧変換器(50)をさらに備え、
前記電力変換装置は、車両外部の電源から供給される電力を電圧変換して前記主蓄電装置および前記補機用蓄電装置を充電する充電器(60A)を含み、
前記充電器は、
前記電源と前記主蓄電装置との間で双方向に電圧変換可能に構成された主回路(110)と、
前記電源と前記補機用蓄電装置との間で双方向に電圧変換可能に構成され、前記主回路よりも容量が小さいサブ電源回路(120A)とを含み、
前記サブ電源回路は、前記主回路の前記主蓄電装置側に電気的に接続され、
前記補機用蓄電装置の充電状態を制御するステップは、
前記補機用蓄電装置へ供給される電力が前記サブ電源回路の定格内か否かを判定するステップと、
前記判定するステップにおいて前記電力が前記サブ電源回路の定格内であると判定されたとき、前記サブ電源回路を用いて前記主蓄電装置から前記補機用蓄電装置へ電力を供給するように前記サブ電源回路を制御するステップと、
前記判定するステップにおいて前記電力が前記サブ電源回路の定格を超えると判定されたとき、前記電圧変換器を用いて前記主蓄電装置から前記補機用蓄電装置へ電力を供給するように前記電圧変換器を制御するステップとを含む、請求項10に記載の電動車両の制御方法。
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Also Published As
Publication number | Publication date |
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JPWO2013132604A1 (ja) | 2015-07-30 |
CN104203639B (zh) | 2016-10-26 |
CN104203639A (zh) | 2014-12-10 |
EP2823987A1 (en) | 2015-01-14 |
JP5825423B2 (ja) | 2015-12-02 |
EP2823987B1 (en) | 2019-06-19 |
US9315105B2 (en) | 2016-04-19 |
US20140371968A1 (en) | 2014-12-18 |
EP2823987A4 (en) | 2015-10-07 |
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