WO2019049340A1 - 電力制御装置、および、電力制御装置の制御方法 - Google Patents

電力制御装置、および、電力制御装置の制御方法 Download PDF

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Publication number
WO2019049340A1
WO2019049340A1 PCT/JP2017/032578 JP2017032578W WO2019049340A1 WO 2019049340 A1 WO2019049340 A1 WO 2019049340A1 JP 2017032578 W JP2017032578 W JP 2017032578W WO 2019049340 A1 WO2019049340 A1 WO 2019049340A1
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Prior art keywords
terminal
battery
voltage
positive
negative
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PCT/JP2017/032578
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English (en)
French (fr)
Japanese (ja)
Inventor
一由希 目黒
雄大 井ノ口
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新電元工業株式会社
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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 PCT/JP2017/032578 priority Critical patent/WO2019049340A1/ja
Priority to JP2019540260A priority patent/JP6972141B2/ja
Priority to TW107128339A priority patent/TWI708455B/zh
Publication of WO2019049340A1 publication Critical patent/WO2019049340A1/ja

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by 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

Definitions

  • the present invention relates to a power control device and a control method of the power control device.
  • an electric two-wheeled vehicle using a motor as a power source is known.
  • this conventional electric motorcycle one battery is used as a power source.
  • Patent Document 1 when one of the plurality of batteries connected in series fails, there is a problem that the necessary power can not be supplied (see Patent Document 1 and Patent Document 2).
  • an object of the present invention is to provide a power control apparatus capable of supplying necessary power even when one of a plurality of batteries fails.
  • a power control apparatus is: A first positive battery terminal to which the positive electrode of the first battery is connectable, and a first negative battery terminal to which the negative electrode of the first battery is connectable; A second positive battery terminal to which the positive electrode of the second battery is connectable, and a second negative battery terminal to which the negative electrode of the second battery is connectable; A first charging terminal connected to the high potential side output of the charger, to which a voltage on the high potential side of the charger is applied; A second charge terminal connected to the low potential side output of the charger and to which a low potential side voltage of the charger is applied; A first drive voltage terminal and a second drive voltage terminal; A positive voltage terminal electrically connected to the first positive battery terminal; A negative voltage terminal electrically connected to the second negative battery terminal and the second charging terminal; A first contactor having one end connected to the first negative battery terminal and the other end connected to the second positive battery terminal; A second contactor having one end connected to the first negative battery terminal and the other end connected to the negative voltage terminal; A third contactor having one end connected
  • the drive control unit A motor drive voltage is generated from a voltage between the first drive voltage terminal and the second drive voltage terminal, and the motor is driven by the motor drive voltage.
  • the first battery connected to the first positive battery terminal and the first negative battery terminal, and the second battery connected to the second positive battery terminal and the second negative battery terminal
  • the drive control unit The first contactor is controlled to be ON, the second contactor is controlled to be OFF, the third contactor is controlled to be OFF, the fourth contactor is controlled to be OFF, and the positive voltage terminal
  • the first drive voltage terminal is made conductive and the negative voltage terminal and the second drive voltage terminal are made conductive so that the voltage between the positive voltage terminal and the negative voltage terminal is not boosted.
  • the up converter is controlled to discharge the first battery and the second battery, and a voltage of a prescribed value preset between the first drive voltage terminal and the second drive voltage terminal. It is characterized by applying.
  • the second battery connected to the second positive battery terminal and the second negative battery terminal is broken and the first battery terminal connected to the first positive battery terminal and the first negative battery terminal
  • the drive control unit The first contactor is controlled to be OFF, the second contactor is controlled to be ON, the third contactor is controlled to be OFF, the fourth contactor is controlled to be OFF, and the positive voltage terminal
  • the up converter is controlled to boost a voltage between the negative voltage terminal and the boosted voltage and to apply the boosted voltage between the first drive voltage terminal and the second drive voltage terminal. Only the first battery is discharged, and a voltage of the specified value is applied between the first drive voltage terminal and the second drive voltage terminal.
  • the first battery connected to the first positive battery terminal and the first negative battery terminal fails and the second battery connected to the second positive battery terminal and the second negative battery terminal
  • the drive control unit The first contactor is controlled to be OFF, the second contactor is controlled to be OFF, the third contactor is controlled to be OFF, the fourth contactor is controlled to be ON, and the positive voltage terminal is
  • the up converter is controlled to boost a voltage between the negative voltage terminal and the boosted voltage and to apply the boosted voltage between the first drive voltage terminal and the second drive voltage terminal. Only the second battery is discharged, and a voltage of the specified value is applied between the first drive voltage terminal and the second drive voltage terminal.
  • the drive control unit The first contactor is controlled to be OFF, the second contactor is controlled to be ON, the third contactor is controlled to be ON, the fourth contactor is controlled to be ON, and the first battery is controlled. And charging a second battery with the charging voltage supplied from the charger.
  • the configuration of the second battery is the same as the configuration of the first battery, A first battery voltage output from the first battery is the same as a second battery voltage output from the second battery.
  • a reference battery terminal connected to a positive electrode of a reference battery and supplied with a reference voltage; A reference charging terminal to which the charger can be connected; And a switch circuit having one end connected to the reference battery terminal and the other end connected to the reference charging terminal, the first battery power supply terminal, and the drive control unit power supply terminal.
  • the first battery is First charging a voltage between the first positive battery terminal and the first negative battery terminal or discharging a charging voltage between the first positive battery terminal and the first negative battery terminal Cells, and A first management unit activated by the reference voltage supplied to the first battery power supply terminal, monitoring a state of the first cell, and outputting information on the state of the first cell; Equipped
  • the second battery is Second charging the voltage between the second positive battery terminal and the second negative battery terminal or discharging the charging voltage between the second positive battery terminal and the second negative battery terminal Cells, and It starts with the 1st starting voltage supplied from the said drive control part, or the 2nd starting voltage supplied from the said charger, monitors the state of the said 2nd cell, and the information regarding the state of the said 2nd cell And a second management unit that outputs the
  • the drive control unit By communicating with the first management unit, it is determined whether the first battery is broken or not. By communicating with the second management unit, it is determined whether or not the second battery is broken.
  • the drive control unit A capacitor connected between the first drive voltage terminal and the second drive voltage terminal; A voltage is supplied between the first drive voltage terminal and the second drive voltage terminal, and a motor drive voltage is output to the motor to further drive a bridge circuit for driving the motor. .
  • the power control device is mounted on an electric two-wheeled vehicle, the motor is connected to a wheel of the electric two-wheeled vehicle, and the drive control unit controls the rotation of the wheel by controlling the driving of the motor. Do.
  • the reference battery is a lead battery
  • the first and second batteries may be lithium batteries.
  • the reference battery may be charged by a voltage output from the down regulator.
  • a control method of a power control apparatus The first positive battery terminal to which the positive electrode of the first battery can be connected, the first negative battery terminal to which the negative electrode of the first battery can be connected, and the positive electrode of the second battery A second positive battery terminal that can be connected, and a second negative battery terminal that can be connected to the negative electrode of the second battery, and an output on the high potential side of a charger are connected, the charging A first charging terminal to which the high potential side voltage of the charger is applied, and a second charging terminal to which the low potential side output of the charger is connected and to which the low potential side voltage of the charger is applied A first drive voltage terminal and a second drive voltage terminal, a positive voltage terminal electrically connected to the first positive battery terminal, and the second negative battery terminal and the second charge terminal.
  • An electrically connected negative voltage terminal, and one end of the first negative battery A first contactor connected to the terminal and the other end connected to the second positive battery terminal; a first end connected to the first negative battery terminal; and the other end connected to the negative voltage terminal 2 contactors, a third contactor whose one end is connected to the second positive battery terminal and the other end is connected to the first charge terminal, one end is connected to the positive voltage terminal, and the other end is A fourth contactor connected to the second positive battery terminal, and a voltage between the positive voltage terminal and the negative voltage terminal are boosted, and a boosted voltage is boosted to the first drive voltage terminal and the first drive voltage terminal.
  • An up converter applied between the second drive voltage terminal and a voltage between the first drive voltage terminal and the second drive voltage terminal is stepped down and output to a load terminal to which a load is connected
  • a down regulator and a drive control unit A method of controlling a force controller, The control unit controls the up converter and the down regulator, and controls the first contact, the second contactor, the third contactor, and the fourth contactor to control the first contactor.
  • the control unit controls the up converter and the down regulator, and controls the first contact, the second contactor, the third contactor, and the fourth contactor to control the first contactor.
  • the first battery connected to the positive battery terminal and the first negative battery terminal and the second battery connected to the second positive battery terminal and the second negative battery terminal And controlling the charging and discharging of the first battery and the second battery.
  • a power control apparatus is a first positive battery terminal to which a positive electrode of a first battery is connectable, and a first negative terminal to which a negative electrode of the first battery is connectable.
  • the output of the potential side is connected, the first charging terminal to which the high potential side voltage of the charger is applied, and the output of the low potential side of the charger are connected, the voltage of the low potential side of the charger is applied
  • a down regulator that steps down a voltage between an applied up converter, a first drive voltage terminal and a second drive voltage terminal, and outputs the voltage to a load terminal to which a load is connected, and an up converter and a down regulator Together with the first contact A first battery connected to the first positive battery terminal and the first negative battery terminal by controlling the second contactor, the third contactor, and the fourth contactor, and a second positive battery terminal And a drive control unit that controls electrical circuit connection with the second battery connected to the second negative battery terminal and controls charging and discharging of the first battery and the second battery.
  • the drive control unit controls the first contactor to turn off and the second contactor is turned off. Is turned on, the third contactor is turned off, the fourth contactor is turned off, the voltage between the positive voltage terminal and the negative voltage terminal is boosted, and the boosted voltage is
  • the up converter is controlled to be applied between the first drive voltage terminal and the second drive voltage terminal to discharge only the first battery, and the first drive voltage terminal and the second drive voltage terminal Apply a specified voltage between them.
  • FIG. 1 is a diagram showing an example of the configuration of a power control apparatus 100 according to the embodiment.
  • FIG. 2 is a diagram for explaining an example of an operation at the time of charging of the first and second batteries B1 and B2 of the power control apparatus 100 shown in FIG.
  • FIG. 3 is a diagram for explaining an example of the operation at the time of discharging of the first and second batteries B1 and B2 of the power control apparatus 100 shown in FIG. 1 (during motor driving).
  • FIG. 4 is a diagram for describing an example of the operation of the power control apparatus 100 shown in FIG. 1 when the second battery B2 fails and only the first battery B1 is discharged (motor drive). .
  • FIG. 1 is a diagram showing an example of the configuration of a power control apparatus 100 according to the embodiment.
  • the mobile battery is two pieces (1st, 2nd battery B1, B2) of the minimum unit is described, when three or more mobile batteries are connected Is also described similarly.
  • the power control apparatus 100 includes a reference battery terminal TK, a reference charging terminal TCS, a first positive battery terminal T1P, and a first negative battery terminal T1N.
  • the power control device 100 is, for example, loaded on an electric two-wheeled vehicle (vehicle).
  • vehicle vehicle
  • the motor M is connected to the wheels of the electric motorcycle.
  • the power control apparatus 100 is started by the voltage of a reference battery (lead battery) K. Then, the power control apparatus 100 generates a motor drive voltage from the voltages of the first and second batteries (Li batteries) B1 and B2, and drives the motor M with this motor drive voltage. Then, the power control device 100 controls the rotation of the wheel by controlling the drive of the motor M.
  • a reference battery lead battery
  • the reference battery terminal TK is connected to the positive electrode of the reference battery K, and is supplied with a reference voltage.
  • the reference battery K is, for example, a lead battery.
  • the first charge terminal TCP is connected to the output on the high potential side of the charger CH, and the voltage on the high potential side of the charger CH is applied.
  • the second charge terminal TCN is connected to the low potential side output of the charger CH, and a voltage on the low potential side of the charger CH is applied.
  • the reference charging terminal TCS is connectable to the charger CH, and is electrically connected to the first battery power supply terminal T1B and the drive control unit power supply terminal TPS1.
  • the charger CH may be connected as long as at least the first and second batteries B1 and B2 are charged, and the electric power control device mounted on the electric motorcycle when the electric motorcycle is traveling as described above. It may be disconnected from 100 (each terminal TCN, TCP, TCOUT, TCS).
  • first drive voltage terminal TDP is electrically connected to one end of the capacitor Z of the drive control unit PDU.
  • the second drive voltage terminal TDN is electrically connected to the other end of the capacitor Z of the drive control unit PDU.
  • the drive control unit power supply terminal TG is electrically connected to the reference charging terminal TCS.
  • the first start-up voltage terminal TPS2 is connected to the drive control unit PDU and is electrically connected to the second battery power supply terminal T2B.
  • the charger CH can be connected to the second start voltage terminal TCOUT, and the second start voltage terminal TCOUT is electrically connected to the second battery power supply terminal T2B.
  • first battery B1 can be connected to the first battery power supply terminal T1B, and the first battery power supply terminal T1B is connected to the other end of the switch circuit SW and the reference charging terminal TCS.
  • the second battery power supply terminal T2B is connectable to the second battery B2, and is connected to the first and second start voltage terminals TPS2 and TCOUT.
  • the first and second batteries B1 and B2 which are mobile batteries are, for example, lithium batteries. That is, the battery voltage (48 V) output by the first and second batteries B1 and B2 is set to be higher than the battery voltage (12 V) which is the reference voltage output by the reference battery K.
  • the positive terminal of the first battery B1 described above can be connected to the first positive battery terminal T1P.
  • the first negative battery terminal T1N is connectable to the negative electrode of the first battery B1.
  • the positive voltage terminal TAP is electrically connected to the first positive battery terminal T1P.
  • the negative voltage terminal TAN is electrically connected to the second negative battery terminal T2N and the second charging terminal TCN.
  • the first battery B1 includes a first cell (a plurality of lithium ion batteries connected in series) S1 and a first management unit BMU1.
  • the first cell S1 charges the voltage between the first positive battery terminal T1P and the first negative battery terminal T1N, or the first positive battery terminal T1P and the first negative battery terminal T1N. And discharge the charge voltage between them.
  • the first management unit BMU1 is activated by the reference voltage supplied to the first battery power supply terminal T1B, and the state (first cell S1) of the first cell S1 (that is, the first battery B1).
  • the identification information of the first battery B1 is set as the initial identification information.
  • the first battery B1 When the first battery B1 is removed from the power control apparatus 100 (for example, each of the terminals T1P, T1N, and T1B), its identification information is reset to the initial identification information.
  • the first management unit BMU1 forcibly contacts the first management contactor T1 for stopping charging / discharging of the first cell S1 according to the state (fault etc.) of the first cell S1.
  • the positive terminal of the second battery B2 described above can be connected to the second positive battery terminal T2P.
  • the second negative battery terminal T2N can be connected to the negative electrode of the second battery B2.
  • the second battery B2 includes a second cell (a plurality of lithium ion batteries connected in series) S2 and a second management unit BMU2.
  • the second cell S2 charges the voltage between the second positive battery terminal T2P and the second negative battery terminal T2N, or the second positive battery terminal T2P and the second negative battery terminal T2N. And discharge the charge voltage between them.
  • the second management unit BMU2 is supplied with the first start voltage supplied from the drive control unit PDU or the second start voltage supplied from the charger CH (that is, supplied to the second battery power supply terminal T2B).
  • the second cell S2 ie, the second battery B2
  • the temperature of the cell S2, the current of the second cell S2, etc. is monitored, and information on the state of the second cell S2 (ie, the second battery B2) is output.
  • the identification information of the second battery B2 is set to the same initial identification information as the identification information of the first battery B1.
  • the second management unit MBU2 makes the second management contactor T2 for forcibly stopping the charge / discharge of the second cell S2 according to the state (fault etc.) of the second cell S2. Prepare.
  • the identification information thereof is reset to the initial identification information.
  • the configuration of the second battery B2 is the same as the configuration of the first battery B1 described above.
  • the first battery voltage (48 V) output by the first battery B1 is the same as the second battery voltage (48 V) output by the second battery B2.
  • the switch circuit SW has one end connected to the reference battery terminal TK and the other end electrically connected to the reference charging terminal TCS, the first battery power supply terminal T1B, and the drive control unit power supply terminal TPS1.
  • the switch circuit SW is configured to supply the reference voltage of the reference battery K to the drive control unit PDU and the first battery B1, for example, by being turned on.
  • the switch circuit SW is configured to cut off the supply of the reference voltage of the reference battery K to the drive control unit PDU and the first battery B1 by being turned off.
  • the main switch control unit X is supplied with power from the positive electrode of the reference battery K, and controls the switch circuit SW in accordance with the operation (action) of the user.
  • the communication line CAN allows the first battery B1 connected to the first positive battery terminal T1P and the first negative battery terminal T1N to communicate with the drive control unit PDU (or the charger CH), and The second battery B2 connected to the positive battery terminal T2P and the second negative battery terminal T2N communicate with the drive control unit PDU (or the charger CH).
  • the communication line CAN includes a first communication line CAN1 for the first and second batteries B1 and B2 to transmit data to the drive control unit PDU, a command from the drive control unit PDU or the charger CH, and the like.
  • a second communication line CAN2 for transmitting to the second batteries B1 and B2 is provided.
  • the down regulator DR is configured to step down and output a voltage between the first drive voltage terminal TAP and the second drive voltage terminal TDN (a voltage output from the up converter AP).
  • the down regulator DR is, for example, a DC-DC converter that steps down a voltage between the first drive voltage terminal TDP and the second drive voltage terminal TDN and outputs the voltage to the load terminal TR to which the load Load is connected. .
  • the reference battery K is charged by the voltage output from the down regulator DR.
  • the load Load includes, for example, any of the lights, blinkers, and indicators of the electric motorcycle described above, and other electronic components necessary for traveling the electric motorcycle and the like.
  • the reference battery K is charged by the step-down voltage (12 V) output from the down regulator DR.
  • first contactor CA is connected to the first negative battery terminal T1N, and the other end is connected to the second positive battery terminal T2P.
  • the first contactor CA is controlled to be turned on / off by the drive control unit PDU.
  • one end of the second contactor CB is connected to the first negative battery terminal T1N, and the other end is connected to the negative voltage terminal TAN.
  • the second contactor CB is controlled to be turned on / off by the drive control unit PDU.
  • the third contactor CC is connected to the second positive battery terminal T2P, and the other end is connected to the first charging terminal TCP.
  • the third contactor CC is controlled to be turned on / off by the drive control unit PDU.
  • one end of the fourth contactor CD is connected to the positive voltage terminal TAP, and the other end is connected to the second positive battery terminal T2P.
  • the fourth contactor CD is controlled to be turned on / off by the drive control unit PDU.
  • the up converter AP boosts the voltage between the positive voltage terminal TAP and the negative voltage terminal TAN, and boosts the boosted voltage between the first drive voltage terminal TDP and the second drive voltage terminal TDN. It is adapted to apply.
  • the upconverter AP is configured such that the boosting operation is controlled by the drive control unit PDU.
  • the up converter AP conducts the positive voltage terminal TAP and the first drive voltage terminal TDP, and conducts the negative voltage terminal TAN and the second drive voltage terminal TDN, when the boost operation is not performed. It has become.
  • the drive control unit PDU generates a motor drive voltage from the voltages of the first battery B1 and the second battery B2, and drives the motor by this motor drive voltage. It has become.
  • the drive control unit PDU controls the rotation of the wheel by controlling the drive of the motor M.
  • the drive control unit PDU includes a capacitor Z connected between a first drive voltage terminal TDP and a second drive voltage terminal TDN, and a first drive voltage terminal TDP.
  • a voltage (voltage of the capacitor Z) between the second drive voltage terminal TDN and the bridge circuit Y which outputs the motor drive voltage to the motor M to drive the motor M is supplied.
  • the drive control unit PDU generates a motor drive voltage by the bridge circuit Y from the voltage between the first drive voltage terminal TDP and the second drive voltage terminal TDN, and drives the motor M with the motor drive voltage. It is supposed to
  • the drive control unit PDU includes data including identification information of the first battery B1 connected to the first positive battery terminal T1P and the first negative battery terminal T1N via the communication line CAN, and a second positive Data including identification information of the second battery B2 connected to the battery terminal T1P and the second negative battery terminal T2N is received.
  • the drive control unit PDU recognizes the information of the first and second batteries B1 and B2 and controls the upconverter AP and the down regulator DR, and also the first contactor CA, the second contactor CB, A first battery B1 connected to the first positive battery terminal T1P and the first negative battery terminal T1N by controlling the third contactor CC and the fourth contactor CD, and a second positive battery terminal
  • the electric circuit connection with the second battery B2 connected to the T2P and the second negative battery terminal T1N is controlled, and the charge and discharge of the first battery B1 and the second battery B2 are controlled. ing.
  • the drive control unit PDU controls the first contactor CA to be on, and controls the second contactor CB to be off. Control the third contactor CC off, and control the fourth contactor CD off.
  • the drive control unit PDU conducts the positive voltage terminal TAP and the first drive voltage terminal TDP, and conducts the negative voltage terminal TAN and the second drive voltage terminal TDN, so that the positive voltage terminal TAP and the negative voltage terminal
  • the up converter AP is controlled so as not to boost the voltage between it and TAN.
  • the drive control unit PDU discharges the first battery B1 and the second battery B2, and the prescribed value set in advance between the first drive voltage terminal TDP and the second drive voltage terminal TDN. Voltage (96 V) is applied.
  • the drive control unit PDU controls the first contactor CA to be off and controls the second contactor CB to be on. Control the third contactor CC to be ON, and control the fourth contactor CD to be ON, so that the first battery B1 and the second battery B2 are charged in parallel by the charger CH. ing.
  • charging current is supplied from the charger CH to the second battery B2 through the third contactor CC, while charging from the charger CH via the third and fourth contactors CC, CD and the positive voltage terminal TAP.
  • the charging current is supplied to the first battery B1.
  • the drive control unit PDU is supplied with the reference voltage of the reference battery K via the switch circuit SW and starts up.
  • the drive control unit PDU activates the first battery B1 and communicates via the communication line CAN to set identification information of the first battery B1, and then the second battery B2 is The identification information of the second battery B2 is set to be different from the identification information of the first battery B1 by activating and communicating via the communication line CAN.
  • the drive control unit PDU is configured to obtain a plurality of pieces of information from the management units BMU1 and BMU2 via the communication line CAN.
  • the drive control unit PDU determines that the state of the first battery B1 is normal or abnormal based on battery information on the state of the first battery B1 and the second battery B2 output from the management units BMU1 and BMU2. It is determined to be (whether it is broken).
  • the drive control unit PDU communicates with the first management unit BMU1 via the communication line CAN to determine whether the first battery B1 is out of order. Further, the drive control unit PDU communicates with the second management unit BMU2 via the communication line CAN to determine whether or not the second battery B2 is broken.
  • the drive control unit PDU stops the drive function of the motor M, for example, all the transistors of the bridge circuit Y are opened, or the high side or low side transistors are shorted. There is.
  • the drive control unit PDU can communicate with the above-described charger CH via the communication line CAN. Then, when the charger CH is connected to the reference charging terminal TCS, the drive control unit PDU supplies the first activation voltage output from the charger CH via the reference charging terminal TCS and the drive control unit power terminal TG. It is supposed to be launched.
  • the charger CH also includes data including identification information of the first battery B1 connected to the first positive battery terminal T1P and the first negative battery terminal T1N via the communication line CAN, and the second positive Data including identification information of the second battery B2 connected to the battery terminal T1P and the second negative battery terminal T2N is received.
  • the charger CH activates the first battery B1, communicates via the communication line CAN, sets identification information of the first battery B1, and then activates the second battery B2.
  • the identification information of the second battery B2 can be set to be different from the identification information of the first battery B1.
  • the drive control unit PDU drives the motor M by supplying the voltages of the first battery B1 and the second battery B2 to the motor after setting the identification information of the first and second batteries B2 described above.
  • the motor M is driven by a voltage (98 V) in which the first battery B1 and the second battery B2 are connected in series. By driving the motor M, the wheels rotate and the electric two-wheeled vehicle travels.
  • the drive control unit PDU sets the identification information of the first and second batteries B2, and then sets the first battery B1 and the second battery B2.
  • the circuit connection is controlled such that the first battery B1 and the second battery B2 are connected in parallel.
  • the case of charging the second battery B2 connected to the two positive battery terminals T2P and the second negative battery terminal T2N (charging mode) will be described.
  • FIG. 2 is a diagram for explaining an example of an operation at the time of charging of the first and second batteries B1 and B2 of the power control apparatus 100 shown in FIG.
  • a first charger battery CN connected to the first charging terminal TCP and the second charging terminal TCN is connected to the first positive battery terminal T1P and the first negative battery terminal T1N.
  • the drive control unit PDU controls the first contactor CA to turn off,
  • the second contactor CB is controlled to be on,
  • the third contactor CC is controlled to be on, and
  • the fourth contactor CD is controlled to be on.
  • the drive control unit PDU charges the first battery B1 and the second battery B2 from the charger CH by supplying a charging voltage.
  • FIG. 3 is a diagram for explaining an example of the operation at the time of discharging of the first and second batteries B1 and B2 of the power control apparatus 100 shown in FIG. 1 (during motor driving).
  • the drive control unit PDU turns on the first contactor CA.
  • the second contactor CB is controlled to be off
  • the third contactor CC is controlled to be off
  • the fourth contactor CD is controlled to be off.
  • the drive control unit PDU conducts the positive voltage terminal TAP and the first drive voltage terminal TDP, and conducts the negative voltage terminal TAN and the second drive voltage terminal TDN, so that the positive voltage terminal TAP and the negative voltage terminal
  • the up converter AP is controlled so as not to boost the voltage between it and TAN.
  • the drive control unit PDU discharges the first battery B1 and the second battery B2, and the voltage (96 V) of the prescribed value between the first drive voltage terminal TDP and the second drive voltage terminal TDN. ) Is applied.
  • the up-converter AP does not perform the boosting operation. Therefore, it is possible to charge the first and second batteries B1 and B2 by the circuit connection with the regenerative power generated by the rotation of the motor M.
  • the second battery B2 connected to the second positive battery terminal T2P and the second negative battery terminal T2N fails and is connected to the first positive battery terminal T1P and the first negative battery terminal T1N
  • a case where a voltage is applied between the first drive voltage terminal TDP and the second drive voltage terminal TDN by discharging only the first battery B1 (fault drive mode) will be described.
  • FIG. 4 is a diagram for describing an example of the operation of the power control apparatus 100 shown in FIG. 1 when the second battery B2 fails and only the first battery B1 is discharged (motor drive). .
  • the second battery B2 connected to the second battery terminal T2P and the second battery terminal T2N fails and the first battery terminal T1P and the
  • the first contactor CA is controlled to be off
  • the second contactor CB is controlled to be on
  • the third contactor CC is controlled to be off
  • the fourth contactor CD is controlled to be on.
  • the drive control unit PDU may control the fourth contactor CD to be turned off to disconnect the faulty second battery B2 from the power control apparatus 100.
  • the drive control unit PDU boosts the voltage (48 V) between the positive voltage terminal TAP and the negative voltage terminal TAN and boosts the boosted voltage (96 V) to the first drive voltage terminal TDP and the second drive.
  • the up converter AP is controlled to be applied between it and the voltage terminal TDN.
  • the drive control unit PDU discharges only the first battery B1 and applies a voltage (96 V) of the specified value between the first drive voltage terminal TDP and the second drive voltage terminal TDN. .
  • the first battery connected to the first positive battery terminal T1P and the first negative battery terminal T1N fails, and the first battery connected to the second positive battery terminal T2P and the second negative battery terminal T2N
  • a voltage is applied between the first drive voltage terminal TDP and the second drive voltage terminal TDN by discharging only the second battery B2 (fault drive mode) will be described.
  • the first battery connected to the first positive battery terminal T1P and the first negative battery terminal T1N breaks down and the second positive battery terminal T2P and the second negative battery terminal T2N
  • the first contactor CA is controlled to be off when only the second battery B2 connected to is discharged to apply a voltage between the first drive voltage terminal TDP and the second drive voltage terminal TDN.
  • the second contactor CB is controlled to be on
  • the third contactor CC is controlled to be off
  • the fourth contactor CD is controlled to be on.
  • the drive control unit PDU may control the second contactor CB to be turned off to disconnect the faulty first battery B1 from the power control apparatus 100.
  • the drive control unit PDU boosts the voltage between the positive voltage terminal TAP and the negative voltage terminal TAN and boosts the boosted voltage between the first drive voltage terminal TDP and the second drive voltage terminal TDN.
  • the up converter AP is controlled so as to apply the voltage V2 to discharge only the second battery B2.
  • the drive control unit PDU applies a voltage (96 V) of a prescribed value between the first drive voltage terminal TDP and the second drive voltage terminal TDN.
  • the drive control unit PDU communicates with the first management unit BMU1 via the communication line CAN to determine whether the first battery B1 is broken or not. By communicating with the second management unit BMU2, it is determined whether the second battery B2 is broken.
  • the bridge circuit Y is used from the voltage (96 V) of the specified value between the first drive voltage terminal TDP and the second drive voltage terminal TDN. A motor drive voltage is generated, and the motor M is driven by the motor drive voltage.
  • the first positive battery terminal to which the positive electrode of the first battery can be connected and the negative electrode of the first battery can be connected.
  • the first charge terminal to which the high potential side output of the charger is connected and the high potential side voltage of the charger is applied is connected to the low potential side output of the charger, and the low potential side of the charger ,
  • a first contactor connected to the first negative battery terminal and the other end connected to the second positive battery terminal, one end connected to the first negative battery terminal, and the other end connected to the negative voltage terminal A second contactor, a third contactor whose one end is connected to the second
  • a down regulator that steps down the voltage between the first drive voltage terminal and the second drive voltage terminal and outputs the voltage to the load terminal to which the load is connected; Control the regulator, A first battery connected to the first positive battery terminal and the first negative battery terminal by controlling the first contact, the second contactor, the third contactor, and the fourth contactor; A drive control unit for controlling an electrical circuit connection with a second battery connected to the positive battery terminal and the second negative battery terminal of the battery, and controlling charging / discharging of the first battery and the second battery; And.
  • the drive control unit controls the first contactor to turn off and the second contactor is turned off. Is turned on, the third contactor is turned off, the fourth contactor is turned off, the voltage between the positive voltage terminal and the negative voltage terminal is boosted, and the boosted voltage is
  • the up converter is controlled to be applied between the first drive voltage terminal and the second drive voltage terminal to discharge only the first battery, and the first drive voltage terminal and the second drive voltage terminal Apply a specified voltage between them.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
PCT/JP2017/032578 2017-09-08 2017-09-08 電力制御装置、および、電力制御装置の制御方法 WO2019049340A1 (ja)

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PCT/JP2017/032578 WO2019049340A1 (ja) 2017-09-08 2017-09-08 電力制御装置、および、電力制御装置の制御方法
JP2019540260A JP6972141B2 (ja) 2017-09-08 2017-09-08 電力制御装置、および、電力制御装置の制御方法
TW107128339A TWI708455B (zh) 2017-09-08 2018-08-14 電力控制裝置及電力控制裝置之控制方法

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JPH08149700A (ja) * 1994-11-16 1996-06-07 Canon Inc 充電装置
JP2001186677A (ja) * 1999-12-27 2001-07-06 Toshiba Corp 制御装置
JP2001309563A (ja) * 2000-02-15 2001-11-02 Sekisui Chem Co Ltd 建物用電力供給システム及び電池装置
JP2007053838A (ja) * 2005-08-17 2007-03-01 Toshiba Corp 蓄電装置
JP2011091894A (ja) * 2009-10-20 2011-05-06 Toyota Motor Corp 車両の電源システムおよびそれを搭載する車両
JP2011147237A (ja) * 2010-01-13 2011-07-28 Honda Motor Co Ltd 電動車両の回生充電制御装置

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KR20100049113A (ko) * 2007-08-24 2010-05-11 도요타 지도샤（주） 차량
JP4288333B1 (ja) * 2007-12-18 2009-07-01 トヨタ自動車株式会社 車両の電源装置
CN102421631B (zh) * 2009-05-14 2014-07-02 丰田自动车株式会社 电动汽车及其控制方法
JP5662900B2 (ja) * 2011-08-08 2015-02-04 日立建機株式会社 電動式建設機械
JP5852748B2 (ja) * 2012-11-09 2016-02-03 本田技研工業株式会社 電源装置
TW201532365A (zh) * 2014-02-14 2015-08-16 Robert Bosch Sea Pte Ltd 用於混合式儲存系統之拓撲及控制策略

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Publication number Priority date Publication date Assignee Title
JPH08149700A (ja) * 1994-11-16 1996-06-07 Canon Inc 充電装置
JP2001186677A (ja) * 1999-12-27 2001-07-06 Toshiba Corp 制御装置
JP2001309563A (ja) * 2000-02-15 2001-11-02 Sekisui Chem Co Ltd 建物用電力供給システム及び電池装置
JP2007053838A (ja) * 2005-08-17 2007-03-01 Toshiba Corp 蓄電装置
JP2011091894A (ja) * 2009-10-20 2011-05-06 Toyota Motor Corp 車両の電源システムおよびそれを搭載する車両
JP2011147237A (ja) * 2010-01-13 2011-07-28 Honda Motor Co Ltd 電動車両の回生充電制御装置

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TWI708455B (zh) 2020-10-21
TW201914157A (zh) 2019-04-01
JP6972141B2 (ja) 2021-11-24

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