WO2009139277A1 - ハイブリッド車両およびハイブリッド車両の電力制御方法 - Google Patents
ハイブリッド車両およびハイブリッド車両の電力制御方法 Download PDFInfo
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- WO2009139277A1 WO2009139277A1 PCT/JP2009/057964 JP2009057964W WO2009139277A1 WO 2009139277 A1 WO2009139277 A1 WO 2009139277A1 JP 2009057964 W JP2009057964 W JP 2009057964W WO 2009139277 A1 WO2009139277 A1 WO 2009139277A1
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- Prior art keywords
- power
- charging
- storage device
- heater
- power storage
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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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
- B60L1/04—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits fed by the power supply line
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- B60L50/00—Electric propulsion with power supplied within the vehicle
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- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/192—Mitigating problems related to power-up or power-down of the driveline, e.g. start-up of a cold engine
- B60W30/194—Mitigating problems related to power-up or power-down of the driveline, e.g. start-up of a cold engine related to low temperature conditions, e.g. high viscosity of hydraulic fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
- F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/44—Drive Train control parameters related to combustion engines
- B60L2240/445—Temperature
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- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/16—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric heater, i.e. a resistance heater
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- 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
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Definitions
- the present invention relates to a hybrid vehicle that travels using power output from at least one of an internal combustion engine and a motor for driving the vehicle, and a power control method thereof, and more particularly, a power storage device mounted on the vehicle can be charged from a power source outside the vehicle.
- the present invention relates to a hybrid vehicle and a power control method thereof.
- Patent Document 1 discloses an interior heating control device for an electric vehicle.
- the air-conditioning / heating device is connected to the output line of the in-vehicle charger. And after charge of the battery for driving
- a hybrid vehicle capable of traveling by power output from at least one of an engine and a traveling motor has attracted attention.
- a hybrid vehicle is equipped with a power storage device, an inverter, and a motor driven by the inverter as a driving power source.
- a vehicle that can charge a power storage device mounted on the vehicle from a power source outside the vehicle is known.
- the power storage device is charged from the household power source by connecting a power outlet provided in the house and a charging port provided in the vehicle with a charging cable.
- a hybrid vehicle capable of charging an in-vehicle power storage device from a power source outside the vehicle is also referred to as a “plug-in hybrid vehicle”.
- plug-in hybrid vehicles are also equipped with an engine
- a block heater for warming up the engine is necessary to ensure engine startability in cold regions. And in order to warm up an engine using a block heater, it is necessary to ensure the power supply for block heaters.
- plug-in hybrid vehicles it is necessary to connect a charging cable to charge the power storage device from a power source outside the vehicle. Therefore, it is convenient for the user to connect a separate power cable to the power outlet for the block heater. Will harm you.
- the power storage device can be charged by power generation using an engine even if sufficient charging from a power source outside the vehicle cannot be ensured.
- the engine cannot be started at an extremely low temperature without being warmed up, power generation using the engine cannot be performed, and even a plug-in hybrid vehicle may not be able to run.
- an object of the present invention is to provide a hybrid vehicle that takes into account the convenience of the user and can appropriately supply power to the block heater. .
- Another object of the present invention is to provide a power control method for a hybrid vehicle in consideration of user convenience and capable of appropriately supplying power to a block heater.
- the hybrid vehicle is a hybrid vehicle that travels by power output from at least one of the internal combustion engine and the vehicle driving electric motor, and includes a power storage device, a power receiving unit, a charging device, a heater, And a control device.
- the power storage device stores electric power supplied to the electric motor.
- the power receiving unit receives power supplied from a power source outside the vehicle.
- the charging device is configured to charge the power storage device by converting the power input from the power receiving unit into a voltage.
- the heater receives operating power from the charging device and warms up the internal combustion engine. When the heater is electrically connected to the charging device, the control device controls the charging device so that power feeding to the heater has priority over charging of the power storage device.
- control device changes the charging control of the power storage device based on whether or not the heater is electrically connected to the charging device.
- the hybrid vehicle further includes a power port.
- the power port is provided in the engine room in which the internal combustion engine is stored, and receives power from the charging device.
- the heater is configured to be detachable from the power port.
- the hybrid vehicle further includes a switch for switching operation / non-operation of the heater. Then, when the switch is turned on, the control device controls the charging device so that power feeding to the heater has priority over charging of the power storage device.
- the hybrid vehicle further includes a first temperature sensor.
- the first temperature sensor detects the temperature of the internal combustion engine. Then, the control device controls charging to the power storage device and power feeding to the heater based on the detection value of the first temperature sensor and the charging state of the power storage device.
- the control device is more preferable than charging the power storage device.
- the charging device is controlled so as to give priority to power supply to the battery.
- the control device controls the charging device to end the power supply to the heater, and the power storage device
- the charging device is controlled to charge the power storage device.
- control device charges the power storage device when the state quantity indicating the charge state of the power storage device is lower than the second predetermined value when the heater is electrically disconnected from the charging device. To control the charging device.
- the hybrid vehicle further includes a second temperature sensor and an electric air conditioner.
- the second temperature sensor detects the temperature in the passenger compartment.
- the electric air conditioner is operated by electric power stored in the power storage device or electric power input from the power receiving unit. Further, the electric air conditioner air-conditions the passenger compartment before boarding based on a pre-air conditioning command that requires air conditioning of the passenger compartment before the user gets on.
- the control device further controls the charging of the power storage device, the power supply to the heater, and the operation of the electric air conditioner based on the detection value of the second temperature sensor and the pre-air conditioning command.
- the control device is more likely to charge the power storage device and operate the electric air conditioner. Also, the charging device is controlled to give priority to power supply to the heater.
- the hybrid vehicle further includes an electrically heated catalyst device.
- the electrically heated catalyst device receives electric power from the power storage device and purifies exhaust gas discharged from the internal combustion engine. Then, when the internal combustion engine is expected to start, the control device performs power control so that power supply to the electrically heated catalyst device is prioritized over power supply to the heater.
- the hybrid vehicle further includes a power generation device.
- the power generation device is configured to generate power using power output from the internal combustion engine and to charge the power storage device. Then, when the power receiving unit is not receiving power from the power source, the control device controls the charging device to supply power from the power storage device to the heater.
- the power control method for a hybrid vehicle is a power control method for a hybrid vehicle that travels by power output from at least one of an internal combustion engine and a motor for driving the vehicle.
- the hybrid vehicle includes a power storage device, a power receiving unit, a charging device, and a heater.
- the power storage device stores electric power supplied to the electric motor.
- the power receiving unit receives power supplied from a power source outside the vehicle.
- the charging device is configured to charge the power storage device by converting the power input from the power receiving unit into a voltage.
- the heater receives operating power from the charging device and warms up the internal combustion engine.
- the power control method further includes a step of changing the charging control of the power storage device based on whether or not the heater is electrically connected to the charging device.
- the power control method further includes a step of determining whether or not the temperature of the internal combustion engine is lower than a predetermined value. Then, when it is determined that the temperature is lower than the predetermined value and it is determined that the heater is electrically connected to the charging device, in the step of controlling the charging device, the charging to the heater is performed rather than charging the power storage device.
- the charging device is controlled to give priority to power feeding.
- the hybrid vehicle further includes an electric air conditioner.
- the electric air conditioner is operated by electric power stored in the power storage device or electric power input from the power receiving unit. Further, the electric air conditioner air-conditions the passenger compartment before boarding based on a pre-air conditioning command that requires air conditioning of the passenger compartment before the user gets on. Then, in the step of controlling the charging device, the charging device is controlled so that the power feeding to the heater is prioritized over the charging of the power storage device and the operation of the electric air conditioner.
- the hybrid vehicle further includes an electrically heated catalyst device.
- the electrically heated catalyst device receives electric power from the power storage device and purifies exhaust gas discharged from the internal combustion engine.
- the power control method further includes a step of executing power control so that power feeding to the electrically heated catalyst device is prioritized over power feeding to the heater when the internal combustion engine is expected to start.
- the power storage device can be charged from a power source external to the vehicle.
- a heater for warming up the internal combustion engine by receiving operating power from the charging device is provided. Then, when the heater is electrically connected to the charging device, the charging device is controlled to supply power to the heater, so there is no need to separately provide a power cable for supplying power to the heater from a power source outside the vehicle.
- the charging device since the charging device is controlled so that the power supply to the heater is given priority over the charging of the power storage device, the power supply to the heater is ensured even when the power storage device cannot be sufficiently charged from the power supply outside the vehicle. Is done.
- FIG. 1 is an overall block diagram of a plug-in hybrid vehicle according to Embodiment 1 of the present invention. It is a figure which shows the alignment chart of a power split device. It is a block diagram of the charger and ECU shown in FIG. It is a flowchart for demonstrating the control structure of ECU shown in FIG. It is a flowchart of the block heater operation
- FIG. 11 is a flowchart for explaining an operation of the ECU shown in FIG. 10 during travel.
- FIG. 6 is a configuration diagram of an electrical system of a plug-in hybrid vehicle according to a third embodiment. It is the figure which showed the zero-phase equivalent circuit of the 1st and 2nd inverter and 1st and 2nd MG which are shown in FIG. It is a block diagram at the time of providing the switch for a user to switch operation / non-operation of a block heater.
- FIG. 1 is an overall block diagram of a plug-in hybrid vehicle according to Embodiment 1 of the present invention.
- a plug-in hybrid vehicle 1 includes an engine 10, a first MG (Motor Generator) 20, a second MG 30, a power split device 40, a speed reducer 50, a motor drive device 60, and a power storage.
- the apparatus 70, the drive wheel 80, and the engine room 90 are provided.
- the plug-in hybrid vehicle 1 includes a charging port 110, a charger 120, a power port 130, a block heater 140, a power plug 150, an electric air conditioner 160, an ECU (Electronic Control Unit) 165, a temperature sensor. 170 and 180 are further provided.
- first MG 20 and second MG 30 are connected to power split device 40.
- the plug-in hybrid vehicle 1 travels with driving force from at least one of the engine 10 and the second MG 30.
- the power generated by the engine 10 is divided into two paths by the power split device 40. That is, one is a path that is transmitted to the drive wheels 80 via the speed reducer 50, and the other is a path that is transmitted to the first MG 20.
- the first MG 20 and the second MG 30 are AC rotating electric machines, for example, three-phase AC synchronous motors.
- First MG 20 and second MG 30 are driven by motor drive device 60.
- First MG 20 generates power using the power of engine 10 divided by power split device 40.
- SOC State Of Charge
- engine 10 is started and power is generated by first MG 20.
- the generated electric power is converted from alternating current to direct current by the motor driving device 60 and stored in the power storage device 70.
- Second MG 30 generates driving force using at least one of the electric power stored in power storage device 70 and the electric power generated by first MG 20. Then, the driving force of the second MG 30 is transmitted to the driving wheels 80 via the speed reducer 50. As a result, the second MG 30 assists the engine 10 or causes the vehicle to travel by the driving force from the second MG 30.
- the driving wheel 80 is shown as a front wheel, but the rear wheel may be driven by the second MG 30 instead of or together with the front wheel.
- the second MG 30 When the vehicle is braked, the second MG 30 is driven by the drive wheels 80 via the speed reducer 50, and the second MG 30 operates as a generator. Thus, second MG 30 operates as a regenerative brake that converts kinetic energy of the vehicle into electric power. The electric power generated by second MG 30 is stored in power storage device 70.
- the power split device 40 includes a planetary gear including a sun gear, a pinion gear, a carrier, and a ring gear.
- the pinion gear engages with the sun gear and the ring gear.
- the carrier supports the pinion gear so as to be capable of rotating, and is connected to the crankshaft of the engine 10.
- the sun gear is connected to the rotation shaft of the first MG 20.
- the ring gear is connected to the rotation shaft of second MG 30 and speed reducer 50.
- the engine 10, the first MG 20 and the second MG 30 are connected via a power split device 40 composed of planetary gears, so that the rotational speeds of the engine 10, the first MG 20 and the second MG 30 are the same as shown in FIG. In the diagram, the relationship is a straight line.
- motor drive device 60 receives power from power storage device 70 and drives first MG 20 and second MG 30.
- Motor drive device 60 converts AC power generated by first MG 20 and / or second MG 30 into DC power and outputs the DC power to power storage device 70.
- the block heater 140 is attached to the engine 10 and receives the electric power input from the power plug 150 and generates heat to warm up the engine 10.
- a known block heater can be used as the block heater 140.
- the power port 130 is electrically connected to a charger 120 (described later). By connecting the power plug 150 of the block heater 140 to the power port 130, power can be supplied from the charger 120 to the block heater 140.
- the power plug 150 is configured to be detachable from the power port 130 by a user.
- the temperature sensor 170 detects the temperature of the engine 10 and outputs the detected value to the ECU 165. Note that the temperature sensor 170 may directly detect the surface temperature of the engine 10 or may estimate the temperature of the engine 10 by detecting the temperature of the cooling water of the engine 10. In the following, it is assumed that temperature sensor 170 detects the temperature of cooling water for engine 10.
- the engine 10, the first MG 20, the second MG 30, the power split device 40, the speed reducer 50, the motor drive device 60, the block heater 140, the power supply port 130, and the temperature sensor 170 are disposed in the engine room 90.
- the power storage device 70 is a rechargeable DC power source, and is composed of, for example, a secondary battery such as nickel metal hydride or lithium ion.
- the voltage of power storage device 70 is, for example, about 200V.
- power storage device 70 stores power supplied from power supply 210 outside the vehicle, as will be described later. Note that a large-capacity capacitor can also be employed as the power storage device 70.
- the charging port 110 is a power interface for receiving power from the power supply 210 outside the vehicle.
- the charging port 110 is connected to a charging cable connector 200 for supplying power from the power source 210 to the vehicle.
- Charger 120 is electrically connected to charging port 110, power storage device 70, and power supply port 130.
- the charger 120 converts the power supplied from the power supply 210 into the voltage level of the power storage device 70 and charges the power storage device 70.
- the charger 120 outputs the power supplied from the power source 210 to the block heater 140 when the power plug 150 of the block heater 140 is connected to the power port 130 in the engine room 90.
- the charger 120 does not output to the power port 130.
- the configuration of the charger 120 will be described in detail later.
- the electric air conditioner 160 operates by receiving power from the power storage device 70 or the charger 120.
- the electric air conditioner 160 adjusts the temperature in the passenger compartment to the set temperature based on the detection value of the temperature sensor 180 that detects the temperature in the passenger compartment.
- the electric air conditioner 160 is configured to be capable of performing pre-air conditioning that air-conditions the passenger compartment before the user gets on the basis of a pre-air conditioning command set by the user.
- ECU 165 generates a drive signal for driving motor drive device 60, charger 120, and electric air conditioner 160, and outputs the generated drive signal to motor drive device 60, charger 120, and electric air conditioner 160.
- the configuration of the ECU 165 will be described in detail later.
- FIG. 3 is a configuration diagram of the charger 120 and the ECU 165 shown in FIG.
- charger 120 includes AC / DC conversion units 310 and 340, DC / AC conversion unit 320, insulation transformer 330, relay 362, and current sensors 372 and 374.
- Each of the AC / DC conversion units 310 and 340 and the DC / AC conversion unit 320 includes a single-phase bridge circuit.
- AC / DC conversion unit 310 converts AC power supplied from power supply 210 outside the vehicle to charging port 110 based on a drive signal from ECU 165 into DC power and outputs the DC power to DC / AC conversion unit 320.
- the DC / AC conversion unit 320 converts the DC power supplied from the AC / DC conversion unit 310 into a high-frequency AC power based on the drive signal from the ECU 165 and outputs the high-frequency AC power to the insulation transformer 330.
- the insulating transformer 330 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 DC / AC converter 320 and the AC / DC converter 340, respectively.
- Insulation transformer 330 converts high-frequency AC power received from DC / AC converter 320 into a voltage level corresponding to the turn ratio of the primary coil and the secondary coil, and outputs the voltage level to AC / DC converter 340.
- AC / DC conversion unit 340 converts AC power output from insulation transformer 330 into DC power based on a drive signal from ECU 165 and outputs the DC power to power storage device 70.
- the power supply port 130 to which the block heater 140 can be connected is connected between the AC / DC converter 310 and the charging port 110 via the relay 362.
- Relay 362 is turned on / off based on a drive signal from ECU 165.
- Current sensor 372 detects current I1 supplied from power supply 210 and outputs the detected value to ECU 165.
- Current sensor 374 detects current I2 output from charger 120 to power storage device 70, and outputs the detected value to ECU 165.
- voltage sensor 376 detects voltage Vb of power storage device 70 and outputs the detected value to ECU 165.
- Current sensor 378 detects current Ib input / output to / from power storage device 70 and outputs the detected value to ECU 165.
- ECU 165 receives detection values of current sensors 372, 374, 378 and voltage sensor 376. ECU 165 receives detected values of temperatures TE and TI detected by temperature sensors 170 and 180 (FIG. 1), respectively. Further, ECU 165 receives a signal HC indicating whether or not power plug 150 (FIG. 1) of block heater 140 is connected to power port 130. Further, the ECU 165 receives a pre-air conditioning command PRE indicating whether or not to perform pre-air conditioning for air conditioning the passenger compartment before the user gets on. Whether or not the power plug 150 is connected to the power port 130 can be detected by, for example, a sensor. The pre-air conditioning command PRE is set by a user who requests the implementation of pre-air conditioning.
- ECU 165 performs charging of power storage device 70 from power supply 210, power supply to block heater 140 connected to power supply port 130, and electric air conditioner 160 (FIG. 1) by the method described later based on the above signals. Perform cooperative control of the pre-air conditioning used.
- FIG. 4 is a flowchart for illustrating a control structure of ECU 165 shown in FIG. Note that the processing of this flowchart is called from the main routine and executed at regular time intervals or whenever a predetermined condition is satisfied.
- ECU 165 determines whether or not the operation mode of the vehicle is the charging mode (step S10). For example, ECU 165 determines that the operation mode of the vehicle is the charging mode when connection between connector 200 (FIG. 1) of power supply 210 and charging port 110 (FIG. 1) is detected. If it is determined that the operation mode is not the charging mode (NO in step S10), ECU 165 proceeds to step S50 without executing the subsequent processes.
- step S10 If it is determined in step S10 that the operation mode is the charging mode (YES in step S10), ECU 165 executes a block heater operation determination process (step S20). Next, the ECU 165 executes pre-air conditioning operation determination processing (step S30). Subsequently, the ECU 165 executes an external charging control process (step S40).
- FIG. 5 is a flowchart of the block heater operation determination process shown in FIG.
- ECU 165 calculates the SOC of power storage device 70 (expressed as 0 to 100% with respect to the fully charged state) based on the detected values of voltage Vb and current Ib of power storage device 70. Then, it is determined whether or not the calculated SOC is equal to or more than a prescribed upper limit value (step S110).
- This upper limit value is a determination value for determining completion of charging of power storage device 70. Also, a known method can be used for the SOC calculation method.
- step S110 If it is determined in step S110 that the SOC of power storage device 70 is lower than the upper limit value (NO in step S110), that is, if it is determined that charging of power storage device 70 has not been completed, ECU 165 A value X1 (for example, ⁇ 30 ° C.) is set as the threshold temperature X of the cooling water temperature (step S120). This value X1 indicates whether the engine 10 is warmed up by the block heater 140 in preference to the charging of the power storage device 70 in order to prevent the engine 10 from being unable to start due to the extremely low temperature. This is the threshold temperature for determination.
- X1 for example, ⁇ 30 ° C.
- step S110 when it is determined in step S110 that the SOC of power storage device 70 is equal to or higher than the upper limit value (YES in step S110), that is, when it is determined that charging of power storage device 70 is completed, ECU 165 A value X2 (for example, 0 ° C.) higher than the value X1 is set as the threshold temperature X of the cooling water temperature of 10 (step S130).
- This value X2 is a threshold temperature for determining whether or not to warm up the engine 10 by the block heater 140 after completion of charging of the power storage device 70 from the viewpoint of preventing deterioration of fuel consumption.
- ECU 165 determines whether or not the coolant temperature of engine 10 is lower than threshold temperature X based on the detected value of temperature TE from temperature sensor 170 (FIG. 1) (step S140). When it is determined that the coolant temperature of engine 10 is lower than threshold temperature X (YES in step S140), ECU 165 determines that power plug 150 of block heater 140 is connected to power port 130 (FIG. 1) based on signal HC. It is determined whether it is connected to (step S150). If it is determined that block heater 140 is connected to power supply port 130 (YES in step S150), ECU 165 turns on relay 362 (FIG. 3). Thereby, power is supplied to the block heater 140 (step S160).
- step S140 when it is determined in step S140 that the coolant temperature of engine 10 is equal to or higher than threshold temperature X (NO in step S140), or it is determined that block heater 140 is not connected to power supply port 130 in step S150.
- step S150 ECU 165 turns off relay 362. As a result, power is not supplied to the block heater 140 (step S170).
- FIG. 6 is a flowchart of the pre-air conditioning operation determination process shown in FIG.
- ECU 165 determines whether or not pre-air conditioning command PRE indicating whether or not to perform pre-air conditioning for air conditioning the passenger compartment before the user gets on (step S210).
- pre-air conditioning command PRE is off (NO in step S210)
- ECU 165 proceeds to step S240 and air conditioning by electric air conditioner 160 (FIG. 1) is turned off (step S240).
- step S210 If it is determined in step S210 that pre-air-conditioning command PRE is on (YES in step S210), ECU 165 performs cooling water for engine 10 based on the detected value of temperature TE from temperature sensor 170 (FIG. 1). It is determined whether or not the temperature is lower than the value X1 (step S220).
- This value X1 is a threshold temperature for determining whether or not to warm up the engine 10 by the block heater 140 in preference to charging of the power storage device 70 as described above.
- step S220 If it is determined in step S220 that the coolant temperature of engine 10 is lower than value X1 (YES in step S220), ECU 165 determines that power plug 150 of block heater 140 is connected to power port 130 (YES in step S220). It is determined whether it is connected to FIG. 1) (step S230). If it is determined that block heater 140 is connected to power supply port 130 (YES in step S230), ECU 165 proceeds to step S240. That is, in this case, although pre-air conditioning is required, pre-air conditioning is not performed because the coolant temperature of the engine 10 is lower than the value X1 and the block heater 140 is connected to the power supply port 130. The warming up of the engine 10 by the block heater 140 is prioritized.
- step S220 when it is determined in step S220 that the coolant temperature of engine 10 is equal to or higher than value X1 (NO in step S220), or in step S230, it is determined that block heater 140 is not connected to power supply port 130.
- ECU 165 determines whether or not the SOC of power storage device 70 is equal to or greater than a prescribed upper limit value (step S250). This upper limit value is a determination value for determining completion of charging of power storage device 70.
- step S250 If it is determined in step S250 that the SOC of power storage device 70 is lower than the upper limit value (NO in step S250), that is, if it is determined that charging of power storage device 70 has not been completed, ECU 165 A value Y1 (for example, 0 ° C.) is set as the threshold temperature Y (step S260). On the other hand, when it is determined in step S250 that the SOC of power storage device 70 is equal to or higher than the upper limit value (YES in step S250), that is, when it is determined that charging of power storage device 70 is completed, ECU 165 causes A threshold value Y of room temperature is set to a value Y2 (for example, 10 ° C.) higher than the value Y1 (step S270).
- Y2 for example, 10 ° C.
- ECU 165 determines whether or not the boarding room temperature is lower than threshold temperature Y based on the detected value of temperature TI from temperature sensor 180 (FIG. 1) (step S280). If it is determined that the boarding room temperature is lower than threshold temperature Y (YES in step S280), ECU 165 operates electric air conditioner 160 (step S290). Thus, pre-air conditioning is performed based on the pre-air conditioning command PRE. On the other hand, if it is determined in step S280 that the boarding room temperature is equal to or higher than threshold temperature Y (NO in step S280), ECU 165 proceeds to step S240.
- the block heater 140 In order to prioritize power supply to the air conditioner, the air conditioning by the electric air conditioner 160 is turned off.
- pre-air conditioning is performed in preference to charging of power storage device 70 when the boarding room temperature is lower than threshold temperature Y. Note that power supply to the power storage device 70 becomes unnecessary after the charging is completed, so that a larger air conditioning capability than that during charging can be secured, and a threshold temperature Y (Y2) higher than that during charging is set.
- FIG. 7 is a flowchart of the external charging control process shown in FIG. Referring to FIG. 7, when ECU 165 determines that power is supplied to block heater 140 and air conditioning (pre-air conditioning) is performed by electric air conditioner 160 (YES in step S310), power storage device 70 is referred to.
- a predetermined charging power command 1 is set as the charging power target value (step S320).
- the charging power command 1 is a value obtained by subtracting the rated power of the block heater 140 and the electric air conditioner 160 from the rated power that can be supplied from the power supply 210 (FIG. 1) outside the vehicle.
- ECU 165 determines that power is supplied to block heater 140 and that air conditioning (pre-air conditioning) by electric air conditioner 160 is off (YES in step S330), target charging power value for power storage device 70 is determined.
- a predetermined charging power command 2 is set as (step S340). The charging power command 2 is a value obtained by subtracting the rated power of the block heater 140 from the rated power that can be supplied from the power source 210.
- ECU 165 determines that power is not supplied to block heater 140 and air conditioning (pre-air conditioning) is performed by electric air conditioner 160 (YES in step S350), charging of power storage device 70 is performed.
- a predetermined charging power command 3 is set as a power target value (step S360).
- the charging power command 3 is a value obtained by subtracting the rated power of the electric air conditioner 160 from the rated power that can be supplied from the power source 210.
- ECU 165 determines that neither power supply to block heater 140 nor air conditioning (pre-air conditioning) by electric air conditioner 160 is performed (NO in step S350), ECU 165 performs predetermined charging as a target value for charging power to power storage device 70.
- the power command 4 is set (step S370). This charging power command 4 corresponds to the rated power that can be supplied from the power source 210.
- ECU 165 performs a power supply 210 to AC / DC conversion unit 310, DC / AC conversion unit 320, insulation transformer in accordance with the set charging power command.
- AC / DC conversion units 310 and 340 and DC / AC conversion unit 320 are controlled such that power storage device 70 is charged through 330 and AC / DC conversion unit 340 sequentially.
- ECU 165 determines that charging of power storage device 70 has been completed, and ends charging of power storage device 70. (Step S390).
- the magnitude relationship between the charging power commands 1 to 4 is charging power command 1 ⁇ charging power command 2, 3 ⁇ charging power command 4.
- the power supply to the block heater 140 and the power supply to the electric air conditioner 160 accompanying the pre-air conditioning are prioritized over the charging of the power storage device 70.
- the power supply to the block heater 140 is prioritized over the power supply to the electric air conditioner 160 associated with the pre-air conditioning.
- the charging power commands 1 to 3 may be zero. That is, the power storage device 70 may not be charged when at least one of power supply to the block heater 140 and power supply to the electric air conditioner 160 accompanying pre-air conditioning is being performed.
- the block heater 140 can be electrically connected to the charger 120.
- the block heater 140 When the block heater 140 is electrically connected to the charger 120, power is supplied from the charger 120 to the block heater 140. Therefore, a power cable for supplying power to the block heater 140 from a power source outside the vehicle is provided separately. There is no need.
- the charger 120 since the charger 120 is controlled so that the power supply to the block heater 140 is prioritized over the charging of the power storage device 70, even if the power storage device 70 cannot be sufficiently charged from the power supply outside the vehicle, the block is blocked. Power supply to the heater 140 is ensured. Therefore, according to the first embodiment, it is possible to warm up the engine 10 appropriately in consideration of user convenience.
- a power port 130 that receives power from the charger 120 is provided in the engine room 90, and the block heater 140 is configured to be detachable from the power port 130. Therefore, according to the first embodiment, whether or not the block heater 140 is used can be easily changed according to the intention of the user.
- the charger 120 performs coordinated control of charging from the power source 210 to the power storage device 70, feeding power to the block heater 140 connected to the power port 130, and pre-air conditioning by the electric air conditioner 160.
- the engine does not start until the SOC of the power storage device decreases unless a large driving force is required. . Therefore, the engine warmed up when the power storage device is charged from the power supply outside the vehicle cools down during traveling, and the startability of the engine may deteriorate during traveling.
- the power port 130 to which the block heater 140 can be connected is provided in the engine room 90 and connected to the charger 120. It is possible to supply power to the block heater 140 via
- FIG. 8 is a flowchart for explaining the operation of ECU 165 during traveling in the modification of the first embodiment. The processing of this flowchart is also called from the main routine and executed at regular time intervals or whenever a predetermined condition is satisfied.
- ECU 165 determines whether or not the operation mode of the vehicle is the traveling mode (step S410). For example, ECU 165 determines that the operation mode is the travel mode when a start switch, an ignition switch, or the like for starting the vehicle system is turned on. If it is determined that the operation mode is not the travel mode (NO in step S410), ECU 165 proceeds to step S450 without executing the subsequent processes.
- step S410 If it is determined in step S410 that the operation mode is the travel mode (YES in step S410), ECU 165 determines that the coolant temperature of engine 10 is based on the detected value of temperature TE from temperature sensor 170 (FIG. 1). It is determined whether or not the temperature is lower than the threshold temperature X (step S420). If it is determined that the coolant temperature of engine 10 is lower than threshold temperature X (YES in step S420), ECU 165 determines that power plug 150 of block heater 140 is connected to power port 130 (FIG. 1) based on signal HC. It is determined whether it is connected to (step S430).
- ECU 165 turns on relay 362 (FIG. 3) and power storage device 70 receives AC / DC converter 340.
- the AC / DC converters 310 and 340 and the DC / AC converter 320 are arranged so that power is supplied to the block heater 140 through the insulating transformer 330, the DC / AC converter 320 and the AC / DC converter 310 in order. Control is performed (step S440).
- step S420 when it is determined in step S420 that the coolant temperature of engine 10 is equal to or higher than threshold temperature X (NO in step S420), or in step S430, it is determined that block heater 140 is not connected to power supply port 130.
- step S430 ECU 165 shifts the process to step S450.
- the engine 10 can be warmed up by supplying power from the power storage device 70 to the block heater 140 connected to the power port 130 even during traveling.
- an electrically heated catalyst (hereinafter also referred to as “EHC (Electrically Heated Catalyst)”) is provided in the exhaust passage of engine 10, and power can be supplied from power storage device 70 to block heater 140 and EHC during traveling. Configuration is shown.
- EHC Electrically heated Catalyst
- FIG. 9 is an overall block diagram of the plug-in hybrid vehicle according to the second embodiment.
- plug-in hybrid vehicle 1A further includes EHC 190 in the configuration of plug-in hybrid vehicle 1 shown in FIG. 1, and includes charger 120A and ECU 165A instead of charger 120 and ECU 165, respectively. .
- the EHC 190 is an electrically heated catalyst device for purifying exhaust gas, and is provided in the exhaust passage of the engine 10. EHC 190 is electrically connected to charger 120A and receives operating power from charger 120A.
- Charger 120A is electrically connected to charging port 110, power storage device 70, power supply port 130, and EHC 190.
- Charger 120 ⁇ / b> A is configured to be able to supply power from power storage device 70 to EHC 190 and power supply port 130 in the travel mode.
- FIG. 10 is a configuration diagram of the charger 120A and the ECU 165A shown in FIG. Referring to FIG. 10, charger 120 ⁇ / b> A further includes relays 364 and 380 in the configuration of charger 120 shown in FIG. 3.
- the EHC 190 is connected between the AC / DC conversion unit 340 and the insulating transformer 330 via the relay 364.
- Relay 364 is turned on / off based on a drive signal from ECU 165A.
- the relay 380 is disposed between the connection node of the power supply port 130 and the charging port 110 in a power line for inputting power from the charging port 110.
- Relay 380 is turned on / off by ECU 165A.
- the ECU 165A performs coordinated control of power feeding from the power storage device 70 to the EHC 190 and power feeding to the block heater 140 connected to the power supply port 130 by a method described later in the traveling mode. Further, ECU 165A turns off relay 380 so that voltage is not applied to charging port 110 when power is supplied from power storage device 70 to ECH 190 and block heater 140.
- charger 120A is the same as that of charger 120 in the first embodiment.
- FIG. 11 is a flowchart for explaining the operation of ECU 165A shown in FIG. 10 during travel. The processing of this flowchart is also called from the main routine and executed at regular time intervals or whenever a predetermined condition is satisfied.
- this flowchart further includes steps S415 and S460 in the flowchart shown in FIG. That is, when it is determined in step S410 that the operation mode is the travel mode (YES in step S410), ECU 165A determines whether or not the SOC of power storage device 70 is lower than a prescribed threshold value (step S415).
- This threshold value is a value for determining that starting of engine 10 is soon required for charging power storage device 70, and is, for example, lower than the SOC lower limit value at which starting of engine 10 is required. A slightly higher value can be set.
- step S415 If it is determined in step S415 that the SOC of power storage device 70 is lower than the threshold value (YES in step S415), engine 10 is expected to start. Therefore, ECU 165A turns on relay 364 (FIG. 10) and controls AC / DC converter 340 so that power is supplied from power storage device 70 to EHC 190 via AC / DC converter 340 (step S460). ). That is, when the engine 10 is expected to start, power supply to the EHC 190 is preferentially performed even when the power supply condition to the block heater 140 is satisfied.
- step S415 when it is determined in step S415 that the SOC of power storage device 70 is equal to or greater than the threshold value (NO in step S415), ECU 165A moves the process to step S420.
- power can be supplied to the EHC 190 and the block heater 140 at an appropriate timing.
- the AC power supplied from the power supply 210 outside the vehicle is converted into DC power by the charger 120 (120A) and charged to the power storage device 70.
- AC power supplied from power supply 210 outside the vehicle is applied to the neutral point of first MG 20 and second MG 30, and power storage device 70 is charged using an inverter constituting motor drive device 60.
- a configuration in which power can be supplied from the power source 210 to the block heater 140 is shown.
- FIG. 12 is a configuration diagram of the electrical system of the plug-in hybrid vehicle according to the third embodiment.
- one end of power line PL ⁇ b> 1 is connected to neutral point 22 of first MG 20, and one end of power line PL ⁇ b> 2 is connected to neutral point 32 of second MG 30.
- the other ends of power lines PL1, PL2 are connected to charging port 110.
- the power supply port 130 to which the block heater 140 can be connected is connected to the power lines PL1 and PL2 via the relay 362.
- Motor drive device 60 that drives first MG 20 and second MG 30 includes a first inverter 410, a second inverter 420, and a boost converter 430.
- the first inverter 410 and the second inverter 420 are provided corresponding to the first MG 20 and the second MG 30, respectively, and are connected to the main positive bus MPL and the main negative bus MNL in parallel with each other.
- Each of first inverter 410 and second inverter 420 includes a three-phase bridge circuit.
- the first inverter 410 receives the power from the main positive bus MPL and the main negative bus MNL to drive the first MG 20.
- First inverter 410 receives the power of engine 10 and converts AC power generated by first MG 20 into DC power and outputs the DC power to main positive bus MPL and main negative bus MNL.
- the second inverter 420 receives power from the main positive bus MPL and the main negative bus MNL to drive the second MG 30. Second inverter 420 receives the rotational force of drive wheel 80 during vehicle braking, converts AC power generated by second MG 30 into DC power, and outputs the DC power to main positive bus MPL and main negative bus MNL.
- First inverter 410 and second inverter 420 when power storage device 70 is charged from power supply 210 outside the vehicle, are neutral points of first MG 20 from power supply 210 via power lines PL1 and PL2 by the method described later. AC power applied to neutral point 32 of 22 and second MG 30 is converted to DC power, and the converted DC power is output to main positive bus MPL and main negative bus MNL.
- Boost converter 430 is provided between power storage device 70 and main positive bus MPL and main negative bus MNL.
- Boost converter 430 includes a DC chopper circuit including a reactor and two switching elements.
- Boost converter 430 adjusts the voltage between main positive bus MPL and main negative bus MNL to a predetermined voltage equal to or higher than the voltage of power storage device 70.
- FIG. 13 is a diagram showing a zero-phase equivalent circuit of first and second inverters 410 and 420 and first and second MGs 20 and 30 shown in FIG.
- Each of first inverter 410 and second inverter 420 is formed of a three-phase bridge circuit as shown in FIG. 12, and there are eight patterns of ON / OFF combinations of six switching elements in each inverter. Two of the eight switching patterns have zero interphase voltage, and such a voltage state is called a zero voltage vector.
- the three switching elements of the upper arm can be regarded as the same switching state (all on or off), and the three switching elements of the lower arm can also be regarded as the same switching state.
- the zero voltage vector is controlled in the first inverter 410 and the second inverter 420.
- the three switching elements of the upper arm of the first inverter 410 are collectively shown as an upper arm 410A
- the three switching elements of the lower arm of the first inverter 410 are collectively shown as a lower arm 410B.
- the three switching elements of the upper arm of the second inverter 420 are collectively shown as an upper arm 420A
- the three switching elements of the lower arm of the second inverter 420 are collectively shown as a lower arm 420B.
- this zero-phase equivalent circuit includes a single-phase PWM converter that receives a single-phase AC power supplied from the power supply 210 to the neutral point 22 of the first MG 20 and the neutral point 32 of the second MG 30. Can be seen. Therefore, the zero voltage vector is changed in the first inverter 410 and the second inverter 420, and switching control is performed so that the first inverter 410 and the second inverter 420 operate as an arm of a single-phase PWM converter.
- the stored AC power can be charged by converting the AC power to be converted into DC power.
- the first MG 20, the second MG 30 and the motor driving device 60 realize the charging function by the charger 120 in the first embodiment.
- power supply port 130 to which block heater 140 is connected is connected to power lines PL1 and PL2 via relay 362, and to block heater 140 and power storage device 70 connected to power supply port 130 in the same manner as in the first embodiment. Is coordinated with the charging.
- the function of the charger 120 in the first embodiment is realized by the first MG 20, the second MG 30 and the motor driving device 60. Therefore, according to the third embodiment, since it is not necessary to separately provide the charger 120, the vehicle can be reduced in size and weight.
- the EHC 190 is connected between the power storage device 70 and the motor drive device 60, or to the main positive bus MPL and the main negative bus MNL via a voltage converter.
- EHC 190 may be connected to power lines PL1 and PL2 in parallel with power supply port 130.
- the power port 130 is provided in the engine room 90 and the block heater 140 is detachable from the power port 130.
- the block heater 140 may be directly connected to the charger 120 (120A) without being provided, and a switch 145 may be provided for the user to switch the operation / non-operation of the block heater 140.
- the switch 145 may be provided on the block heater 140 or may be provided on an instrument panel or the like in the vehicle interior so that the block heater 140 can be remotely operated.
- power supply to the block heater 140 is prioritized over charging of the power storage device 70.
- the SOC is set to the upper limit.
- the power storage device 70 is charged until the value is reached.
- an input unit (such as a switch) for the user to select whether or not to charge the power storage device 70 after power supply to the block heater 140 is completed. ) May be provided.
- the series / parallel type hybrid vehicle in which the power of the engine 10 is divided by the power split device 40 and can be transmitted to the drive wheels 80 and the first MG 20 has been described. It can also be applied to other types of hybrid vehicles. That is, for example, a so-called series-type hybrid vehicle that uses the engine 10 only to drive the first MG 20 and generates the driving force of the vehicle only by the second MG 30, or only regenerative energy among the kinetic energy generated by the engine 10 is used.
- the present invention can also be applied to a hybrid vehicle that is recovered as electric energy, a motor-assist type hybrid vehicle in which a motor assists the engine as the main power if necessary.
- engine 10 corresponds to “internal combustion engine” in the present invention
- second MG 30 corresponds to “electric motor” in the present invention
- the charging port 110 corresponds to the “power receiving unit” in the present invention
- the chargers 120 and 120A correspond to the “charging device” in the present invention
- block heater 140 corresponds to “heater” in the present invention
- ECUs 165 and 165A correspond to “control device” in the present invention.
- the temperature sensor 170 corresponds to the “first temperature sensor” in the present invention
- the temperature sensor 180 corresponds to the “second temperature sensor” in the present invention
- EHC 190 corresponds to “electrically heated catalyst device” in the present invention
- first MG 20 and first inverter 410 form “power generation device” in the present invention.
- 1,1A plug-in hybrid vehicle 10 engine, 20 1st MG, 22, 32 neutral point, 30 2nd MG, 40 power split device, 50 speed reducer, 60 drive device, 70 power storage device, 80 drive wheel, 90 engine room , 110 charging port, 120, 120A charger, 130 power port, 140 block heater, 145 switch, 150 power plug, 160 electric air conditioner, 165, 165A ECU, 170, 180 temperature sensor, 190 EHC, 200 connector, 210 power supply, 310,340 AC / DC converter, 320 DC / AC converter, 330 insulation transformer, 362,364,380 relay, 372,374,378 current sensor, 376 voltage sensor, 410,420 inverter, 410A 420A on the arm, 410B, 420B lower arm, 430 boost converter, MPL main positive bus, MNL main negative bus, PL1, PL2 power line.
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Abstract
Description
図1は、この発明の実施の形態1によるプラグインハイブリッド車の全体ブロック図である。図1を参照して、このプラグインハイブリッド車1は、エンジン10と、第1MG(Motor Generator)20と、第2MG30と、動力分割装置40と、減速機50と、モータ駆動装置60と、蓄電装置70と、駆動輪80と、エンジンルーム90とを備える。また、プラグインハイブリッド車1は、充電ポート110と、充電器120と、電源ポート130と、ブロックヒータ140と、電源プラグ150と、電動エアコン160と、ECU(Electronic Control Unit)165と、温度センサ170,180とをさらに備える。
プラグインハイブリッド車においては、エンジンの燃料よりも蓄電装置に蓄えられた電力を優先的に用いて走行するので、大きな走行駆動力が要求されない限り、蓄電装置のSOCが低下するまでエンジンは始動しない。したがって、車両外部の電源から蓄電装置の充電時に暖機されたエンジンが走行中に冷えてしまい、走行時にエンジンの始動性が悪化してしまう可能性がある。ここで、上記の実施の形態1では、ブロックヒータ140を接続可能な電源ポート130がエンジンルーム90内に設けられて充電器120に接続されているので、走行時に蓄電装置70から充電器120を介してブロックヒータ140へ給電することが可能である。
この実施の形態2では、エンジン10の排気通路に電気加熱式触媒(以下「EHC(Electrically Heated Catalyst)」とも称する。)が設けられ、走行時に蓄電装置70からブロックヒータ140およびEHCへ給電可能な構成が示される。
上記の各実施の形態では、車両外部の電源210から供給される交流電力は、充電器120(120A)によって直流電力に変換され、蓄電装置70に充電されるものとした。この実施の形態3では、車両外部の電源210から供給される交流電力を第1MG20および第2MG30の中性点に与え、モータ駆動装置60を構成するインバータを用いて蓄電装置70の充電を行なうとともに、電源210からブロックヒータ140へ給電可能な構成が示される。
Claims (17)
- 内燃機関(10)および車両走行用の電動機(30)の少なくとも一方から出力される動力によって走行するハイブリッド車両であって、
前記電動機へ供給される電力を蓄える蓄電装置(70)と、
車両外部の電源(210)から供給される電力を受ける受電部(110)と、
前記受電部から入力される電力を電圧変換して前記蓄電装置を充電するように構成された充電装置(120,120A)と、
前記充電装置から動作電力を受けて前記内燃機関を暖機するヒータ(140)と、
前記ヒータが前記充電装置に電気的に接続されているとき、前記蓄電装置の充電よりも前記ヒータへの給電を優先するように前記充電装置を制御する制御装置(165,165A)とを備えるハイブリッド車両。 - 前記制御装置は、前記ヒータが前記充電装置に電気的に接続されているか否かに基づいて、前記蓄電装置の充電制御を変更する、請求の範囲1に記載のハイブリッド車両。
- 前記内燃機関が格納される機関室内に設けられ、前記充電装置から電力を受ける電源ポート(130)をさらに備え、
前記ヒータは、前記電源ポートに着脱可能に構成される、請求の範囲1または2に記載のハイブリッド車両。 - 前記ヒータの動作/非動作を切替えるためのスイッチ(145)をさらに備え、
前記制御装置は、前記スイッチがオンされているとき、前記蓄電装置の充電よりも前記ヒータへの給電を優先するように前記充電装置を制御する、請求の範囲1または2に記載のハイブリッド車両。 - 前記内燃機関の温度を検出する第1の温度センサ(170)をさらに備え、
前記制御装置は、前記第1の温度センサの検出値および前記蓄電装置の充電状態に基づいて、前記蓄電装置への充電および前記ヒータへの給電を制御する、請求の範囲1または2に記載のハイブリッド車両。 - 前記制御装置は、前記第1の温度センサの検出値が第1の所定値よりも低く、かつ、前記ヒータが前記充電装置に電気的に接続されているとき、前記蓄電装置への充電よりも前記ヒータへの給電を優先するように前記充電装置を制御する、請求の範囲5に記載のハイブリッド車両。
- 前記制御装置は、前記第1の温度センサの検出値が前記第1の所定値以上になると、前記ヒータへの給電を終了するように前記充電装置を制御し、前記ヒータへの給電終了時に前記蓄電装置の充電状態を示す状態量が第2の所定値よりも低いとき、前記蓄電装置を充電するように前記充電装置を制御する、請求の範囲6に記載のハイブリッド車両。
- 前記制御装置は、前記ヒータが前記充電装置から電気的に切離されたとき、前記蓄電装置の充電状態を示す状態量が第2の所定値よりも低い場合には、前記蓄電装置を充電するように前記充電装置を制御する、請求の範囲6に記載のハイブリッド車両。
- 乗車室内の温度を検出する第2の温度センサ(180)と、
前記蓄電装置に蓄えられた電力または前記受電部から入力される電力によって動作する電動エアコン(160)とをさらに備え、
前記電動エアコンは、利用者の乗車前に前記乗車室内の空調を要求するプレ空調指令に基づいて、前記乗車室内を乗車前に空調し、
前記制御装置は、さらに前記第2の温度センサの検出値および前記プレ空調指令に基づいて、前記蓄電装置への充電、前記ヒータへの給電および前記電動エアコンの動作を制御する、請求の範囲5に記載のハイブリッド車両。 - 前記制御装置は、前記第1の温度センサの検出値が所定値よりも低く、かつ、前記ヒータが前記充電装置に電気的に接続されているとき、前記蓄電装置への充電および前記電動エアコンの動作よりも前記ヒータへの給電を優先するように前記充電装置を制御する、請求の範囲9に記載のハイブリッド車両。
- 前記蓄電装置から電力を受け、前記内燃機関から排出される排気ガスを浄化する電気加熱式触媒装置(190)をさらに備え、
前記制御装置(165A)は、前記内燃機関の始動が予期されるとき、前記ヒータへの給電よりも前記電気加熱式触媒装置への給電を優先するように電力制御を実行する、請求の範囲1または2に記載のハイブリッド車両。 - 前記内燃機関から出力される動力を用いて発電し、前記蓄電装置を充電するように構成された発電装置(20,410)をさらに備え、
前記制御装置は、前記受電部が前記電源から受電していないとき、前記蓄電装置から前記ヒータへ給電するように前記充電装置を制御する、請求の範囲1または2に記載のハイブリッド車両。 - 内燃機関(10)および車両走行用の電動機(30)の少なくとも一方から出力される動力によって走行するハイブリッド車両の電力制御方法であって、
前記ハイブリッド車両は、
前記電動機へ供給される電力を蓄える蓄電装置(70)と、
車両外部の電源(210)から供給される電力を受ける受電部(110)と、
前記受電部から入力される電力を電圧変換して前記蓄電装置を充電するように構成された充電装置(120,120A)と、
前記充電装置から動作電力を受けて前記内燃機関を暖機するヒータ(140)とを含み、
前記電力制御方法は、
前記ヒータが前記充電装置に電気的に接続されているか否かを判定するステップと、
前記ヒータが前記充電装置に電気的に接続されていると判定されると、前記蓄電装置の充電よりも前記ヒータへの給電を優先するように前記充電装置を制御するステップとを備える、ハイブリッド車両の電力制御方法。 - 前記ヒータが前記充電装置に電気的に接続されているか否かに基づいて、前記蓄電装置の充電制御を変更するステップをさらに備える、請求の範囲13に記載のハイブリッド車両の電力制御方法。
- 前記内燃機関の温度が所定値よりも低いか否かを判定するステップをさらに備え、
前記温度が前記所定値よりも低いと判定され、かつ、前記ヒータが前記充電装置に電気的に接続されていると判定されたとき、前記充電装置を制御するステップにおいて、前記蓄電装置の充電よりも前記ヒータへの給電を優先するように前記充電装置が制御される、請求の範囲13または14に記載のハイブリッド車両の電力制御方法。 - 前記ハイブリッド車両は、前記蓄電装置に蓄えられた電力または前記受電部から入力される電力によって動作する電動エアコン(160)をさらに含み、
前記電動エアコンは、利用者の乗車前に乗車室内の空調を要求するプレ空調指令に基づいて、前記乗車室内を乗車前に空調し、
前記充電装置を制御するステップにおいて、前記蓄電装置への充電および前記電動エアコンの動作よりも前記ヒータへの給電を優先するように前記充電装置が制御される、請求の範囲15に記載のハイブリッド車両の電力制御方法。 - 前記ハイブリッド車両は、前記蓄電装置から電力を受け、前記内燃機関から排出される排気ガスを浄化する電気加熱式触媒装置(190)をさらに含み、
前記電力制御方法は、前記内燃機関の始動が予期されるとき、前記ヒータへの給電よりも前記電気加熱式触媒装置への給電を優先するように電力制御を実行するステップをさらに備える、請求の範囲13または14に記載のハイブリッド車両の電力制御方法。
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Also Published As
| Publication number | Publication date |
|---|---|
| RU2453455C1 (ru) | 2012-06-20 |
| JP2009274470A (ja) | 2009-11-26 |
| US20100280698A1 (en) | 2010-11-04 |
| EP2277755B1 (en) | 2020-05-13 |
| EP2277755A4 (en) | 2018-05-02 |
| JP4325728B1 (ja) | 2009-09-02 |
| CA2711788A1 (en) | 2009-11-19 |
| EP2277755A1 (en) | 2011-01-26 |
| CA2711788C (en) | 2012-07-10 |
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