WO2019049334A1 - Véhicule électrique, dispositif de commande de véhicule électrique et procédé de commande de véhicule électrique - Google Patents

Véhicule électrique, dispositif de commande de véhicule électrique et procédé de commande de véhicule électrique Download PDF

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Publication number
WO2019049334A1
WO2019049334A1 PCT/JP2017/032572 JP2017032572W WO2019049334A1 WO 2019049334 A1 WO2019049334 A1 WO 2019049334A1 JP 2017032572 W JP2017032572 W JP 2017032572W WO 2019049334 A1 WO2019049334 A1 WO 2019049334A1
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WIPO (PCT)
Prior art keywords
battery
power
power supply
motor generator
charging
Prior art date
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PCT/JP2017/032572
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English (en)
Japanese (ja)
Inventor
一由希 目黒
雄大 井ノ口
Original Assignee
新電元工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 新電元工業株式会社 filed Critical 新電元工業株式会社
Priority to CN201780094635.4A priority Critical patent/CN111225820B/zh
Priority to JP2019540254A priority patent/JP6808843B2/ja
Priority to PCT/JP2017/032572 priority patent/WO2019049334A1/fr
Priority to TW107129483A priority patent/TWI677455B/zh
Publication of WO2019049334A1 publication Critical patent/WO2019049334A1/fr

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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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/14—Dynamic electric regenerative braking for vehicles propelled by ac motors
    • 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]
    • B60L58/15—Preventing overcharging
    • 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
    • B60L2210/00—Converter types
    • B60L2210/30—AC to DC converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present invention relates to an electric vehicle, an electric vehicle control device, and an electric vehicle control method.
  • An electric two-wheeled vehicle powered by a motor is equipped with a battery such as a lithium battery for supplying electric power for driving the motor.
  • a battery such as a lithium battery for supplying electric power for driving the motor.
  • the battery can be charged with the power supplied from the power supply (see, for example, Japanese Patent Application Laid-Open No. 2011-063066).
  • the motor when the motor power is not supplied to the motor when the rotational speed of the motor decelerates, when traveling by inertia, when traveling downhill, etc., the motor functions as a generator.
  • the battery can be charged (i.e., regeneratively charged) by the power generated in the motor as the wheels rotate.
  • the motor is not disconnected from the wheels even when not traveling. For this reason, for example, when the wheel is rotated by hand while the stand is standing, the motor may function as a generator and generate power as the wheel rotates.
  • an electric vehicle capable of appropriately charging the battery while preventing excessive power from being supplied to the battery from both the power source and the motor. It aims at providing a vehicle control method.
  • the electric vehicle is Chargeable and dischargeable batteries, A motor generator that outputs a torque for driving a wheel by the power supplied from the battery, or outputs a power as the wheel rotates; A charging unit for charging the battery with power supplied from a power supply; A rotational speed detection unit for detecting the rotational speed of the motor generator in the state of outputting the power; And a control unit configured to charge the battery with the power output from the motor generator and charge the battery with the power supplied from the power supply to the charging unit.
  • the control unit waits for control of charging the battery with the power supplied from the power supply until the state where the detected rotational speed is equal to or less than the threshold speed continues for a threshold time after the rotational speed is detected. When the state of being equal to or less than the threshold speed continues for the threshold time, control is performed to charge the battery with the power supplied from the power supply.
  • the state where the electric power is output may be a state in which a stand of the vehicle is erected so that the wheel is separated from the ground so that the wheel can be rotated by an external force.
  • An openable / closable storage unit for storing the battery;
  • a closed state detection unit for detecting a closed state of the storage unit;
  • the control unit performs control to charge the battery with the power supplied from the power supply when the closed state is detected when the state of being equal to or less than the threshold speed continues the threshold time. Good.
  • the storage unit may be opened and closed by a seat of a vehicle.
  • the charging unit includes a charging plug connected to the power supply, and an AC-DC converter for converting an AC voltage input from the power supply via the charging plug into a DC voltage.
  • the control unit may control the AC-DC converter to convert the AC voltage to the DC voltage, thereby performing control to charge the battery with the power supplied from the power supply.
  • the control unit waits for control to convert the alternating current voltage to the direct current voltage until the state of being equal to or less than the threshold speed continues after the charging plug is connected to the power supply, the threshold speed When the following state continues for the threshold time, control may be performed to convert the AC voltage to the DC voltage.
  • the threshold speed may be a threshold of an absolute value of the rotational speed.
  • the control unit determines whether or not the rotation speed is equal to or less than the threshold speed in a determination cycle set in advance, and the state is equal to or less than the threshold speed when the rotation speed is equal to or less than the threshold speed.
  • the control unit waits for control to charge the battery with the power supplied from the power supply until the count value of the duration is incremented and the count value reaches the completion value corresponding to the threshold time, and the count value is the completion value. Control may be performed to charge the battery with the power supplied from the power supply.
  • the control unit may reset the count value when the rotation speed is not equal to or less than the threshold speed.
  • the control unit may perform control to supply power from the battery to the motor generator.
  • the wheel and the motor generator may be mechanically connected without a clutch.
  • the electric vehicle control device is Chargeable and dischargeable batteries, A motor generator that outputs a torque for driving a wheel by the power supplied from the battery, or outputs a power as the wheel rotates; A charging unit for charging the battery with power supplied from a power supply; And a rotational speed detection unit for detecting the rotational speed of the motor generator in the state of outputting the electric power.
  • the control unit is configured to charge the battery with the power output from the motor generator, and control the charging unit to charge the battery with the power supplied from the power supply.
  • the control unit waits for control of charging the battery with the power supplied from the power supply until the state where the detected rotational speed is equal to or less than the threshold speed continues for a threshold time after the rotational speed is detected. And controlling the charging of the battery with the power supplied from the power supply when the state of being below the threshold speed continues for the threshold time.
  • An electric vehicle control method is Chargeable and dischargeable batteries, A motor generator that outputs a torque for driving a wheel by the power supplied from the battery, or outputs a power as the wheel rotates; A charging unit for charging the battery with power supplied from a power supply; And a rotational speed detection unit for detecting the rotational speed of the motor generator in the state of outputting the electric power. After the rotational speed is detected, control is waited for charging the battery with the power supplied from the power supply until the state where the detected rotational speed is less than or equal to the threshold speed continues for a threshold time, the threshold speed When the following state continues for the threshold time, control is performed to charge the battery with the power supplied from the power supply.
  • An electric vehicle includes a battery capable of charging and discharging, and a motor generator that outputs a torque for driving a wheel by power supplied from the battery, or outputs power as the wheel rotates.
  • a charging unit for charging the battery with the power supplied from the power supply a rotational speed detection unit for detecting the rotational speed of the motor generator in the state of outputting the power, and charging the battery with the power output from the motor generator
  • a control unit that performs control to charge the battery with power supplied from the power supply to the charging unit, and the control unit detects that the rotational speed is detected and then the detected rotational speed is equal to or less than a threshold speed Waited for control to charge the battery with power supplied from the power supply until the state lasted for the threshold time, and the state where it was below the threshold speed continued for the threshold time Can performs control to charge the battery with power supplied from the power supply.
  • the rotational speed of the motor generator is detected in a state where the motor generator outputs power as the wheels rotate, and the state in which the detected rotational speed is equal to or lower than the threshold speed continues for the threshold time. It is possible to wait for control to charge the battery with the power supplied from the power supply.
  • the battery can be charged with the power supplied from the power supply in a state where the power generation of the motor generator due to the rotation of the wheels is sufficiently suppressed.
  • FIG. 1 is a view showing an electric motorcycle 100 according to a first embodiment.
  • FIG. 2 is a view showing a power conversion unit 30 and a motor generator 3 in the electric motorcycle 100 according to the first embodiment.
  • FIG. 7 is a view showing a magnet provided on a rotor of a motor generator 3 and an angle sensor 4 in the electric motorcycle 100 according to the first embodiment.
  • FIG. 7 is a view showing a relationship between a rotor angle and an output of an angle sensor 4 in the electric motorcycle 100 according to the first embodiment.
  • It is a flowchart which shows the control method of the electric two-wheeled vehicle 100 which concerns on 1st Embodiment.
  • It is a figure showing electric motorcycle 100 concerning a 2nd embodiment.
  • It is a flow chart which shows a control method of electric motorcycle 100 concerning a 2nd embodiment.
  • the electric motorcycle 100 is an electric motorcycle such as an electric motorcycle that travels by driving a motor using electric power supplied from a battery. More specifically, the electric motorcycle 100 is a clutchless electric motorcycle in which a motor and wheels are mechanically connected without a clutch.
  • the electric motorcycle 100 includes an electric vehicle control device 1, a battery 2, a motor generator 3, an angle sensor 4 which is an example of a rotational speed detector, an accelerator position sensor 5, and a meter 7. , Wheels 8 and a charger 9 which is an example of a charging unit.
  • the electric vehicle control device 1 is a device that controls the electric motorcycle 100, and includes a control unit 10, a storage unit 20, and a power conversion unit 30.
  • the electric vehicle control device 1 may be configured as an electronic control unit (ECU) that controls the entire electric motorcycle 100. Next, each component of the electric vehicle control device 1 will be described in detail.
  • ECU electronice control unit
  • the control unit 10 receives information from various devices connected to the electric vehicle control device 1 and controls driving of the motor generator 3 via the power conversion unit 30. Details of the control unit 10 will be described later.
  • the storage unit 20 stores information used by the control unit 10 and a program for the control unit 10 to operate.
  • the storage unit 20 is, for example, a non-volatile semiconductor memory, but is not limited to this.
  • the power conversion unit 30 converts the DC power of the battery 2 into AC power and supplies the AC power to the motor generator 3. As shown in FIG. 2, the power conversion unit 30 is configured of a three-phase full bridge circuit.
  • the semiconductor switches Q1, Q3 and Q5 are high side switches, and the semiconductor switches Q2, Q4 and Q6 are low side switches. Control terminals of the semiconductor switches Q1 to Q6 are electrically connected to the control unit 10.
  • a smoothing capacitor C is provided between the power supply terminal 30a and the power supply terminal 30b.
  • the semiconductor switches Q1 to Q6 are, for example, MOSFETs or IGBTs.
  • the semiconductor switch Q1 is connected between the power supply terminal 30a to which the positive electrode of the battery 2 is connected and the input terminal 3a of the motor generator 3, as shown in FIG.
  • the semiconductor switch Q3 is connected between the power supply terminal 30a and the input terminal 3b of the motor generator 3.
  • the semiconductor switch Q5 is connected between the power supply terminal 30a and the input terminal 3c of the motor generator 3.
  • the semiconductor switch Q2 is connected between the input terminal 3a of the motor generator 3 and the power supply terminal 30b to which the negative electrode of the battery 2 is connected.
  • the semiconductor switch Q4 is connected between the input terminal 3b of the motor generator 3 and the power supply terminal 30b.
  • the semiconductor switch Q6 is connected between the input terminal 3c of the motor generator 3 and the power supply terminal 30b.
  • the input terminal 3a is a U-phase input terminal
  • the input terminal 3b is a V-phase input terminal
  • the input terminal 3c is a W-phase input terminal.
  • the battery 2 can be charged and discharged. Specifically, the battery 2 supplies DC power to the power conversion unit 30 at the time of discharge. Further, the battery 2 is charged by the DC power obtained by converting the AC power supplied from the power supply 13 by the charger 9 at the time of charging by the AC power supplied from the external power supply 13 such as a commercial power supply. Further, the battery 2 is charged by the DC voltage obtained by converting the AC power output by the motor generator 3 by the power conversion device 100 during charging by AC power output by the motor generator 3 as the wheels 8 rotate.
  • the battery 2 includes a battery management unit (BMU).
  • the battery management unit transmits, to the control unit 10, information on the voltage of the battery 2 and the state (charging rate etc.) of the battery 2.
  • the number of batteries 2 is not limited to one, and may be plural.
  • the battery 2 is, for example, a lithium ion battery, but may be another type of battery.
  • the battery 2 may be composed of batteries of different types (eg, lithium ion battery and lead battery).
  • the motor generator 3 outputs a torque for driving the wheel 8 by the power supplied from the battery 2. Alternatively, the motor generator 3 outputs power as the wheel 8 rotates.
  • motor generator 3 is driven by AC power supplied from power conversion unit 30 to output a torque for driving wheels 8.
  • the torque may be controlled by the control unit 10 outputting, to the semiconductor switches Q1 to Q6 of the power conversion unit 30, a PWM signal having a conduction timing and a duty ratio calculated based on the target torque. That is, the torque may be controlled by the control unit 10 controlling the power supplied from the battery 2 to the motor generator 3.
  • the motor generator 3 is mechanically connected to the wheel 8 and rotates the wheel 8 in a desired direction by torque.
  • the motor generator 3 is mechanically connected to the wheel 8 without a clutch.
  • the type of motor generator 3 is not particularly limited.
  • the motor generator 3 outputs AC power as the wheel 8 rotates. Specifically, motor generator 3 outputs AC power (that is, regenerative power) when the rotational speed of motor generator 3 is reduced or when motor generator 3 is rotated by an external force. As a case where the rotational speed of the motor generator 3 is decelerated, for example, there is a case where the vehicle is braked and being braked while traveling. Further, as a case where the motor generator 3 is rotated by an external force, for example, there is a case of traveling by inertia or a case of traveling on a slope (downhill) in a state where power is not supplied from the battery 2 to the motor generator 3 .
  • AC power that is, regenerative power
  • the stand of the wheel 8 is erected so that the wheel 8 can be rotated by an external force (for example, a user's hand) and the wheel 8 is separated from the ground
  • an external force for example, a user's hand
  • the AC power output from the motor generator 3 is converted into DC power by the power conversion unit 30, and the battery 2 is charged (that is, regeneratively charged) with the converted DC power.
  • the charger 9 charges the battery 2 with AC power supplied from the power supply 13.
  • the charger 9 has an AC-DC converter 91, a converter control unit 92, and a charging plug 93.
  • the charging plug 93 is connected to the power supply 13 via an outlet (not shown).
  • the AC-DC converter 91 converts an AC voltage input from the power supply 13 through the charging plug 93 into a DC voltage.
  • Converter control unit 92 controls power conversion of AC-DC converter 91.
  • the angle sensor 4 is a sensor that detects the rotation angle of the rotor of the motor generator 3 in order to detect the rotation speed of the motor generator 3.
  • magnets (sensor magnets) of N pole and S pole are alternately attached to the circumferential surface of the rotor of the motor generator 3.
  • the angle sensor 4 is formed of, for example, a Hall element, and detects a change in the magnetic field accompanying the rotation of the motor generator 3.
  • the magnet may be provided inside the flywheel (not shown).
  • the angle sensor 4 includes a U-phase angle sensor 4 u, a V-phase angle sensor 4 v, and a W-phase angle sensor 4 w.
  • U-phase angle sensor 4 u and V-phase angle sensor 4 v are arranged to form an angle of 30 ° with the rotor of motor generator 3.
  • the V-phase angle sensor 4v and the W-phase angle sensor 4w are disposed at an angle of 30 ° with respect to the rotor of the motor generator 3.
  • U-phase angle sensor 4u, V-phase angle sensor 4v and W-phase angle sensor 4w output pulse signals in phase according to the rotor angle (angular position) (that is, detection signals of rotation angles) Do.
  • a number (rotor stage number) indicating a rotor stage is assigned to each predetermined rotor angle.
  • the rotor stage indicates the angular position of the rotor of the motor generator 3.
  • rotor stage numbers 1, 2, 3, 4, 5 and 6 are assigned every 60 ° in electrical angle.
  • the rotor stage is defined by a combination of levels (H level or L level) of output signals of U-phase angle sensor 4 u, V-phase angle sensor 4 v and W-phase angle sensor 4 w.
  • the accelerator position sensor 5 detects an accelerator operation amount set by the user's accelerator operation, and transmits the detected accelerator operation amount to the control unit 10 as an electric signal. When the user wants to accelerate, the accelerator operation amount becomes large.
  • the meter 7 is a display (for example, a liquid crystal panel) provided on the electric motorcycle 100, and displays various information. Specifically, information such as the traveling speed of the electric motorcycle 100, the remaining amount of the battery 2, the current time, and the traveling distance is displayed on the meter 7. In the present embodiment, the meter 7 is provided on a handle (not shown) of the electric motorcycle 100.
  • control unit 10 of the electric vehicle control device 1 will be described in detail.
  • Control unit 10 performs control of charging battery 2 (that is, regenerative charging) with the power output from motor generator 3.
  • control unit 10 controls the charger 9 to charge the battery 2 with the power supplied from the power supply 13. Specifically, the control unit 10 controls the AC-DC converter 91 to convert an AC voltage to a DC voltage, thereby performing control to charge the battery 2 with the power supplied from the power supply 13. More specifically, control unit 10 outputs a charge permission signal for permitting charging of battery 2 by the power supplied from power supply 13 to converter control unit 92, whereby the AC-DC by converter control unit 92 is output. Control for charging the battery 2 is performed via control of the converter 91.
  • control unit 10 detects the rotational speed of motor generator 3 in the state of outputting power based on the pulse signal output from angle sensor 4 .
  • control unit 10 calculates the rotational speed of motor generator 3 based on time t from the fall of the output of the V-phase rotor angle sensor to the rise of the output of the U-phase rotor angle sensor as shown in FIG. Do.
  • a stand of the wheel 8 is erected so that the wheel 8 can be rotated by an external force. Can be mentioned as being off the ground.
  • the charging plug 93 is connected to the power supply 13 to charge the battery 2, and the wheel 8 is manually rotated.
  • the motor generator 3 can generate electric power.
  • Control unit 10 regulates charging of battery 2 in a state in which charging from both power supply 13 and motor generator 3 is possible, whereby excessive power to battery 2 from both power supply 13 and motor generator 3 is obtained. Are configured to avoid being supplied.
  • control unit 10 controls the battery supplied with power supplied from power supply 13 until the state in which the detected rotational speed is equal to or lower than the threshold speed continues for a threshold time. Wait for control to charge 2.
  • control unit 10 performs control to charge battery 2 with the power supplied from power supply 13.
  • the threshold speed of the motor generator 3 may be a threshold of the absolute value of the rotational speed.
  • control unit 10 causes AC-DC converter 91 to continue until the state where the rotational speed of motor generator 3 is equal to or lower than the threshold speed continues for the threshold time after charging plug 93 is connected to power supply 13. It may wait for control to convert alternating current voltage to direct current voltage.
  • control unit 10 may control the AC-DC converter 91 to convert an AC voltage into a DC voltage when the state of being equal to or lower than the threshold speed continues for the threshold time. Control of the AC-DC converter 91 may be performed via the converter control unit 92.
  • control unit 10 determines whether or not the rotation speed is equal to or less than the threshold speed in a predetermined determination cycle, and when the rotation speed is equal to or less than the threshold speed, the duration time of the state equal to or less than the threshold speed.
  • the count value may be incremented.
  • the control unit 10 may stand by for control of charging the battery with the power supplied from the power supply until the count value reaches the completion value corresponding to the threshold time.
  • control unit 10 may perform control to charge the battery 2 with the power supplied from the power supply 13.
  • control unit 10 may reset the count value when the rotational speed of the motor generator 3 is not equal to or less than the threshold speed. Further, instead of counting up (incrementing the count value) up to the completion value of the count value, countdown (decrement of the count value) to the completion value of the count value may be performed.
  • the charging plug 93 is connected to the power supply 13 (step S1).
  • control unit 10 determines whether the motor generator 3 is in the state of outputting power (step S2).
  • the control unit 10 detects that the rotation of the motor generator 3 is detected by the angle sensor 4 or when the accelerator operation amount is zero. Whether or not the motor generator 3 is in the state of outputting power may be determined based on whether or not the rotation of the motor generator 3 is detected.
  • control unit 10 After resetting the count value n, the control unit 10 acquires a pulse signal of the angle sensor 4 (step S4).
  • control unit 10 calculates the rotational speed of the motor generator 3 based on the acquired pulse signal (step S5).
  • control unit 10 determines whether the calculated absolute value of the rotation speed of the motor generator 3 is equal to or less than a threshold (step S6).
  • control unit 10 resets the count value (step S3).
  • control unit 10 determines whether the count value has reached the completion value (step S8). This determination corresponds to the determination as to whether or not the state where the rotational speed of motor generator 3 is equal to or less than the threshold speed has continued for the threshold time.
  • control unit 10 If the count value has reached the completion value (step S8: Yes), control unit 10 outputs a charge permission signal to converter control unit 92. On the other hand, when the count value has not reached the completion value (step S8: No), the control unit 10 acquires a pulse signal of the angle sensor 4 (step S4).
  • control unit 10 performs the processing from step S2 to step S8.
  • control unit 10 may confirm that the charging plug 93 is connected to the power supply 13 after the count value reaches the completion value.
  • control unit 10 may output a charge permission signal to converter control unit 92 after it is confirmed that charging plug 93 is connected to power supply 13.
  • control unit 10 detects (calculates) the rotational speed of the motor generator 3 in the state where the motor generator 3 outputs electric power, and then the detected rotational speed is the threshold speed. Control for charging the battery 2 with the power supplied from the power supply 13 is awaited until the following state continues for the threshold time. Then, when the state where the rotational speed of motor generator 3 is equal to or lower than the threshold speed continues for the threshold time, control unit 10 performs control to charge battery 2 with the power supplied from power supply 13.
  • battery 2 can be charged with the power supplied from power supply 13 in a state where the power generation of motor generator 3 due to the rotation of wheel 8 is sufficiently suppressed.
  • the control unit 10 controls the AC-DC converter 91 to convert an AC voltage to a DC voltage via the converter control unit 92, thereby the power supply 13 Control to charge the battery 2 with the power supplied from the At that time, after the charging plug 93 is connected to the power supply 13 (step S1 in FIG. 5), the control unit 10 continues until the state where the rotational speed of the motor generator 3 is lower than the threshold speed continues for the threshold time (FIG. 5).
  • Step S8) stands by for control to convert the AC voltage supplied from the power supply 13 into DC voltage, and the state where the rotational speed of the motor generator 3 is equal to or less than the threshold speed continues for a threshold time. Control to convert to (step S9 in FIG. 5).
  • control unit 10 uses the threshold of the absolute value of the rotational speed as the threshold speed of the rotational speed of the motor generator 3, regardless of the rotational direction of the wheel 8.
  • the battery 2 can be charged with the power supplied from the power supply 13 in a state where the power generation of the motor generator 3 due to the rotation of the wheel 8 is sufficiently suppressed.
  • control unit 10 determines whether or not the rotational speed of motor generator 3 is equal to or lower than the threshold speed at a preset determination cycle (step S5 in FIG. 5). ). When the rotational speed is equal to or less than the threshold speed, the control unit 10 increments the count value of the continuation time of the state equal to or less than the threshold speed (step S7 in FIG. 5). Until it reaches, control for charging the battery 2 with the power supplied from the power supply 13 is awaited (step S8). Then, when the count value reaches the completion value, the control unit 10 performs control to charge the battery 2 with the power supplied from the power supply 13 (step S9).
  • the control of charging the battery 2 with the power supplied from the power supply 13 can stand by until the count value reaches the completion value corresponding to the threshold time.
  • charging of battery 2 in a state where the power generation of motor generator 3 due to the rotation of wheel 8 is sufficiently suppressed can be reliably performed by simple control.
  • the control unit 10 when the rotational speed of the motor generator 3 is not equal to or lower than the threshold speed, the control unit 10 resets the count value of the continuation time of the state equal to or lower than the threshold speed.
  • the electric motorcycle 100 according to the second embodiment further includes an under-seat storage unit 14 which is an example of a storage unit, and a closed state detection unit. And a seat switch 15 which is an example.
  • the under-seat storage portion 14 is an openable / closable space for storing the battery 2 provided under the seat of the electric motorcycle 100.
  • the seat is attached to the vehicle body so as to be able to move (for example, rotate) the lower sheet storage portion 14 in a direction in which the lower sheet storage portion 14 can be opened and closed by, for example, a hinge mechanism.
  • the lower seat storage unit 14 is covered by the seat so that the driver can sit on the seat.
  • the lower sheet storage portion 14 is opened by the movement of the sheet in order to take out the charging plug 93.
  • the sheet switch 15 outputs an off signal indicating the detection result of the open state of the lower sheet storage portion 14 to the control unit 10 when the lower sheet storage portion 14 is opened by the movement of the sheet.
  • the sheet switch 15 outputs an on signal indicating the detection result of the closed state of the lower sheet storage unit 14 to the control unit 10.
  • the lower sheet storage portion 14 can be closed in a state in which the charging plug 93 is taken out.
  • the sheet switch 15 may be, for example, a mechanical switch that is turned on by being pressed by the sheet when the sheet is closed, and turned off by releasing the pressure by the sheet when the sheet is opened.
  • control section 10 detects that the sheet lower storage portion 14 is in the closed state (ON signal) by the sheet switch 15. Control is performed to charge the battery 2 with the power supplied from the power supply 13.
  • the control method of the electric motorcycle 100 according to the second embodiment will be described below with reference to the flowchart of FIG. 7, focusing on the difference from the first embodiment.
  • the flowchart of FIG. 7 is repeated as necessary.
  • step S8 when the count value reaches the completion value (step S8: Yes), the control unit 10 determines whether the sheet switch 15 is turned on (step S10). ).
  • step S10: Yes When the seat switch 15 is turned on (step S10: Yes), the control unit 10 outputs a charge permission signal to the converter control unit 92 (step S9). On the other hand, when the sheet switch 15 is not turned on (step S10: No), the control unit 10 resets the count value (step S3).
  • At least a part of the electric vehicle control device 1 (control unit 10) described in the above-described embodiment may be configured by hardware or may be configured by software.
  • a program for realizing at least a part of the functions of the control unit 10 may be stored in a recording medium such as a flexible disk or a CD-ROM, read by a computer, and executed.
  • the recording medium is not limited to a removable medium such as a magnetic disk or an optical disk, and may be a fixed recording medium such as a hard disk drive or a memory.
  • a program for realizing at least a part of the functions of the control unit 10 may be distributed via a communication line (including wireless communication) such as the Internet.
  • the program may be encrypted, modulated, compressed, or stored in a recording medium via a wired line or a wireless line such as the Internet or may be distributed.

Landscapes

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

Abstract

L'invention concerne un véhicule électrique comprenant : une batterie rechargeable/déchargeable; d'un moteur-générateur qui produit un couple pour entraîner une roue par l'énergie électrique fournie depuis la batterie ou qui délivre de l'énergie électrique suite à la rotation de la roue ; une unité de charge qui charge la batterie par l'énergie électrique fournie depuis une source d'alimentation ; une unité de détection de vitesse de rotation qui détecte la vitesse de rotation du moteur-générateur dans un état dans lequel le moteur-générateur délivre l'énergie électrique ; et une unité de commande qui exécute une commande de manière à charger la batterie par l'énergie électrique fournie par le moteur-générateur et charger la batterie par l'énergie électrique fournie depuis la source d'alimentation à l'unité de charge. L'unité de commande maintient la commande pour charger la batterie par l'énergie électrique fournie depuis la source d'alimentation jusqu'à ce qu'un état dans lequel la vitesse de rotation détectée n'est pas supérieure à une vitesse de seuil se poursuit pendant un temps de seuil après la détection de la vitesse de rotation, et exécute une commande pour charger la batterie par l'énergie électrique fournie depuis la source d'alimentation lorsque l'état dans lequel la vitesse de rotation détectée est égale ou inférieure à la vitesse de seuil s'est poursuivi pendant le temps de seuil.
PCT/JP2017/032572 2017-09-08 2017-09-08 Véhicule électrique, dispositif de commande de véhicule électrique et procédé de commande de véhicule électrique WO2019049334A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201780094635.4A CN111225820B (zh) 2017-09-08 2017-09-08 电动车辆、电动车辆控制装置以及电动车辆控制方法
JP2019540254A JP6808843B2 (ja) 2017-09-08 2017-09-08 電動車両、電動車両制御装置および電動車両制御方法
PCT/JP2017/032572 WO2019049334A1 (fr) 2017-09-08 2017-09-08 Véhicule électrique, dispositif de commande de véhicule électrique et procédé de commande de véhicule électrique
TW107129483A TWI677455B (zh) 2017-09-08 2018-08-23 電動車輛、電動車輛控制裝置及電動車輛控制方法

Applications Claiming Priority (1)

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PCT/JP2017/032572 WO2019049334A1 (fr) 2017-09-08 2017-09-08 Véhicule électrique, dispositif de commande de véhicule électrique et procédé de commande de véhicule électrique

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CN (1) CN111225820B (fr)
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TW201912495A (zh) 2019-04-01
JP6808843B2 (ja) 2021-01-06
TWI677455B (zh) 2019-11-21
CN111225820A (zh) 2020-06-02
CN111225820B (zh) 2023-07-14

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