WO2012090261A1 - Système de recharge, véhicule, et procédé de recharge - Google Patents

Système de recharge, véhicule, et procédé de recharge Download PDF

Info

Publication number
WO2012090261A1
WO2012090261A1 PCT/JP2010/073522 JP2010073522W WO2012090261A1 WO 2012090261 A1 WO2012090261 A1 WO 2012090261A1 JP 2010073522 W JP2010073522 W JP 2010073522W WO 2012090261 A1 WO2012090261 A1 WO 2012090261A1
Authority
WO
WIPO (PCT)
Prior art keywords
charging
storage device
cord
power
vehicle
Prior art date
Application number
PCT/JP2010/073522
Other languages
English (en)
Japanese (ja)
Inventor
真士 市川
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to PCT/JP2010/073522 priority Critical patent/WO2012090261A1/fr
Publication of WO2012090261A1 publication Critical patent/WO2012090261A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present invention relates to a charging system, a vehicle, and a charging method, and more particularly to a technique for limiting charging according to the tension of a cord that supplies power to a power storage device.
  • a vehicle that is mounted with a power storage device for example, a secondary battery or a capacitor
  • a power storage device for example, a secondary battery or a capacitor
  • Such vehicles include, for example, electric vehicles, hybrid vehicles, fuel cell vehicles, and the like.
  • the technique which charges the electrical storage apparatus mounted in these vehicles with a commercial power source with high electric power generation efficiency is proposed.
  • a vehicle capable of charging an in-vehicle power storage device (hereinafter also referred to as “external charging”) from a power source outside the vehicle (hereinafter also simply referred to as “external power source”) as in the case of an electric vehicle.
  • external charging an in-vehicle power storage device
  • external power source a power source outside the vehicle
  • plug-in hybrid vehicle can charge a power storage device from a general household power source by connecting a power outlet provided in a house to a charging port provided in a vehicle with a power receiving cord. It has been. This can be expected to increase the fuel consumption efficiency of the hybrid vehicle.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2003-219511
  • the cord tension can increase.
  • the tension of the cord increases, the cord can be damaged.
  • the power storage device may not be charged properly. Therefore, it is not preferable to charge the power storage device.
  • An object of the present invention is to avoid charging the power storage device under an unfavorable situation.
  • the charging system includes a cord that supplies power to the power storage device and a charging device that limits charging of the power storage device when the tension of the cord exceeds a predetermined threshold.
  • the vehicle includes a storage device that stores a cord that supplies power to the power storage device, and a charging device that limits charging of the power storage device when the tension of the cord exceeds a predetermined threshold.
  • the charging method includes a step of estimating the tension of a cord that supplies power to the power storage device, and a step of restricting charging of the power storage device when the tension of the cord exceeds a predetermined threshold value.
  • FIG. 1 is an overall block diagram of a vehicle. It is the schematic of a cord storage apparatus. It is a figure which shows the presumed tension
  • FIG. 1 is an overall block diagram of a vehicle 100 on which a cord storage device 600 is mounted.
  • vehicle 100 includes a power storage device 110, a system main relay (SMR), a PCU (Power Control Unit) 120, a motor generator 130, a power transmission gear 140, and driving wheels. 150 and a vehicle ECU (Electronic Control Unit) 300.
  • SMR system main relay
  • PCU Power Control Unit
  • the power storage device 110 is a power storage element configured to be chargeable / dischargeable.
  • the power storage device 110 includes, for example, a secondary battery such as a lithium ion battery, a nickel hydride battery, or a lead storage battery, or a power storage element such as an electric double layer capacitor.
  • the power storage device 110 is connected to the PCU 120 via the power line PL1 and the ground line NL1. Then, power storage device 110 supplies power for generating driving force of vehicle 100 to PCU 120.
  • the power storage device 110 stores the electric power generated by the motor generator 130.
  • the output of power storage device 110 is, for example, about 200V.
  • the relays included in the SMR are respectively inserted in the power line PL1 and the ground line NL1 that connect the power storage device 110 and the PCU 120. Then, SMR switches between power supply and cutoff between power storage device 110 and PCU 120 based on control signal SE ⁇ b> 1 from vehicle ECU 300.
  • PCU 120 is not shown, but includes a converter for boosting the power supply voltage from power storage device 110, an inverter for converting DC power boosted by the converter into AC power for driving motor generator 130, and the like. It is comprised including.
  • the motor generator 130 is an AC rotating electric machine, for example, a permanent magnet type synchronous motor including a rotor in which a permanent magnet is embedded.
  • the output torque of the motor generator 130 is transmitted to the drive wheels 150 via the power transmission gear 140 configured to include a speed reducer and a power split mechanism, thereby causing the vehicle 100 to travel.
  • the motor generator 130 can generate electric power by the rotational force of the drive wheels 150 during the regenerative braking operation of the vehicle 100. Then, the generated power is converted into charging power for power storage device 110 by PCU 120.
  • FIG. 1 shows a configuration in which one motor generator is provided, the number of motor generators is not limited to this, and a configuration in which a plurality of motor generators are provided may be employed.
  • a necessary vehicle driving force is generated by operating the engine and the motor generator 130 in a coordinated manner.
  • vehicle 100 in the present embodiment indicates a vehicle equipped with an electric motor for generating vehicle driving force, and is a hybrid vehicle that generates vehicle driving force by an engine and an electric motor, or an electric vehicle and fuel not equipped with an engine. Includes battery cars.
  • the vehicle ECU 300 includes a CPU (Central Processing Unit), a storage device, and an input / output buffer (not shown in FIG. 1), and inputs signals from each sensor and outputs control signals to each device.
  • the vehicle 100 and each device are controlled. Note that these controls are not limited to processing by software, and can be processed by dedicated hardware (electronic circuit).
  • Vehicle ECU 300 generates and outputs a control signal for controlling PCU 120, SMR, and the like.
  • the vehicle ECU 300 is configured to have one control device.
  • the control unit for the PCU 120 or the control device for the power storage device 110 is individually provided for each function or for each control target device. It is good also as a structure which provides this control apparatus.
  • Vehicle 100 includes an inlet 270, a charging device 200, and a relay RY2 as a configuration for charging power storage device 110 with electric power from external power supply 500A.
  • the inlet 270 is provided in a power receiving port 280 provided on the outer surface of the vehicle 100.
  • the power receiving port 280 is coupled with an openable / closable lid 285 for covering the inlet 270 when external charging is not performed.
  • the charging connector 410 of the charging cable 400 is connected to the inlet 270. Then, electric power from external power source 500 ⁇ / b> A is transmitted to vehicle 100 through charging cable 400.
  • Charging cable 400 includes, in addition to charging connector 410, plug 420 for connecting to outlet 510 ⁇ / b> A of external power supply 500 ⁇ / b> A, and electric wire portion 430 for connecting charging connector 410 and plug 420.
  • the electric wire portion 430 may include a charging circuit interrupting device (not shown) for switching between supply and interruption of power from the external power source 500A.
  • the inlet 270 is connected to the charging device 200 via the power lines ACL1 and ACL2.
  • Vehicle 100 further includes a power receiving cord 250 and a cord storage device 600 as another path for charging power storage device 110 with electric power from external power supply 500B.
  • a plug 260 for connecting to the outlet 510B of the external power source 500B is connected to one end of the power receiving cord 250.
  • the other end of power reception cord 250 is connected to power lines ACL 3 and ACL 4 connected to charging device 200.
  • the power lines ACL3 and ACL4 are connected to the power lines ACL1 and ACL2 via the relay RY3.
  • Relay RY3 is controlled by a control signal SE3 from vehicle ECU 300. Relay RY3 is electrically connected when external charging using power receiving cord 250 is performed, and is not connected when external charging using power receiving cord 250 is not performed.
  • the power receiving cord 250 is wound and stored in the cord storage device 600 when external charging is not performed. Then, when external charging is performed using power receiving cord 250, the power is extracted from an outlet (not shown) of power receiving port 240 provided on the outer surface of vehicle 100. Then, when plug 260 is connected to outlet 510B, the electric power from external power supply 500B is transmitted to vehicle 100.
  • FIG. 1 shows a configuration in which the charging cable 400 and the power receiving cord 250 are used, which are connected to the outlet 510A of the external power supply 500A and the outlet 510B of the external power supply 500B, respectively.
  • the power supply voltage of 500B may be the same voltage or different voltages.
  • the charging cable 400 may be used when the voltage of the external power supply is 200V
  • the power receiving cord 250 may be used when the voltage of the external power supply is 100V.
  • the power receiving port 240 is coupled with an openable / closable lid 245 for covering the outlet when external charging is not performed.
  • the charging device 200 is connected to the inlet 270 via the power lines ACL1 and ACL2. Charging device 200 is connected to power storage device 110 through power line PL2 and ground line NL2 via relay RY2.
  • the charging device 200 converts AC power supplied from the inlet 270 or the power receiving cord 250 into charging power for the power storage device 110.
  • the cord storage device 600 includes a cord reel 610, an electric motor 620, and a control unit 650.
  • the cord reel 610 is provided with a cylindrical trunk portion, and the power receiving cord 250 is wound around the trunk portion.
  • the user pulls the power receiving cord 250, whereby the power receiving cord 250 wound around the cord reel 610 is pulled out.
  • the cord reel 610 winds and stores the power receiving cord 250.
  • a gear 621 is provided on the rotating shaft of the electric motor 620.
  • the gear 621 is disposed so as to be engageable with a gear 611 provided on the side surface of the cord reel 610.
  • the gear 621 is rotated by the electric motor 620 when the power receiving cord 250 is wound around the cord reel 610.
  • the cord reel 610 is rotated by the electric motor 620 in the direction in which the power receiving cord 250 is wound.
  • the power receiving cord 250 is stored in the cord storage device 600.
  • the voltage V of the electric motor 620 is detected by the voltage sensor 630.
  • a signal representing the detection result is input to the control unit 650.
  • the electric motor 620 is driven by electric power supplied from the battery 640. On the other hand, when the power receiving cord 250 is pulled out, the rotating shaft of the electric motor 620 is rotated with the rotation of the cord reel 610.
  • the induced voltage V of the electric motor 620 generated when the power receiving cord 250 is pulled out is expressed by the following formula 1.
  • Equation 1 “R” represents the resistance of the electric motor 620. “I” represents the current of the electric motor 620. “L” represents self-inductance. “ ⁇ ” represents the angular velocity of the rotating shaft of the electric motor 620. “K E ” represents an induced voltage constant.
  • Equation 1 when the output shaft rotational speed of the electric motor 620 is high, the first and second terms on the right side are negligibly small compared to the third term. Therefore, Equation 1 can be approximated as Equation 2 below.
  • Equation 3 “F” represents the force that rotates the rotating shaft of the electric motor 620, in other words, the tension of the power receiving cord 250. “D” represents a coefficient of friction. “J” represents the inertia of the electric motor 620. In Equation 3, the first term on the right side is negligibly small compared to the second term. Therefore, Equation 3 can be approximated as Equation 4 below.
  • the tension F of the power receiving cord 250 is estimated using Equation 5 as a value proportional to the rate of change of the induced voltage V of the electric motor 620.
  • the current i of the electric motor 620 may be used instead of or in addition to the voltage. That is, the tension F may be estimated without ignoring the first term on the right side of Equation 1.
  • the rotational speed ⁇ of the electric motor 620 may be detected, and the tension F may be estimated using Formula 3 or Formula 4 based on the detected rotational speed ⁇ .
  • the computer that estimates the tension F may be the control unit 650 or the vehicle ECU 300.
  • the control unit 650 estimates the tension F
  • a signal representing the estimated tension F is transmitted from the control unit 650 to the vehicle ECU 300.
  • vehicle ECU 300 estimates tension F
  • a signal representing voltage V of electric motor 620 is transmitted from control unit 650 to vehicle ECU 300.
  • Voltage V of electric motor 620 may be directly transmitted from voltage sensor 630 to vehicle ECU 300.
  • charging device 200 is configured by vehicle ECU 300 to limit charging of power storage device 110 when estimated tension F is equal to or greater than a first threshold value. Be controlled. Specifically, charging of power storage device 110 is prohibited, and charging is not started even if other conditions for executing charging are satisfied. Note that the method of limiting charging is not limited to this.
  • the tension F is determined whether the tension F is smaller than the first threshold value using the rate of change dV / dt of the voltage V of the electric motor 620.
  • change rate dV / dt of voltage V of electric motor 620 is smaller than the second threshold value, it is determined that tension F is smaller than the first threshold value.
  • change rate dV / dt of voltage V of electric motor 620 is equal to or greater than the second threshold value, it is determined that tension F is equal to or greater than the first threshold value.
  • the second threshold value is a change rate dV / dt when the tension F matches the first threshold value.
  • the value of the tension F may be calculated using Equation 5 described above, and the calculated tension F and the first threshold value may be directly compared.
  • the rate of change dV / dt of the voltage V of the electric motor 620 is greater than or equal to the second threshold value, that is, when the tension F is greater than or equal to the first threshold value and charging of the power storage device 110 is restricted, for example, as shown in FIG.
  • the lamp 652 is turned on or blinked. This notifies the user that charging of power storage device 110 is restricted. You may make it alert
  • step (hereinafter, step is abbreviated as S) 100 voltage V of electric motor 620 is detected.
  • step S 100 voltage V of electric motor 620 is detected.
  • rate of change dV / dt of voltage V of electric motor 620 becomes equal to or greater than the second threshold value at time t1 (YES in S102)
  • the power storage device in S104 shown in FIG. 110 charging is limited.
  • the lamp 652 is turned on or blinked to notify the user that charging of the power storage device 110 is restricted.
  • Conditions necessary for charging power storage device 110 include conditions appropriately determined by the developer, such as a condition that plug 260 is connected to outlet 510B of external power supply 500B.
  • power storage device 110 is charged in a state where tension F of power receiving cord 250 is smaller than the first threshold value.
  • the tension F of the power receiving cord 250 is equal to or higher than the first threshold value, charging of the power storage device 110 is restricted. Therefore, when there is a possibility that the power receiving cord 250 is damaged, charging is restricted. Thereby, charging of power storage device 110 under an unfavorable situation is avoided.
  • 100 vehicle 110 power storage device, 130 motor generator, 200 charging device, 240 power receiving port, 245 lid, 250 power receiving cord, 260 plug, 500B external power supply, 510B outlet, 600 cord storage device, 610 cord reel, 611 gear, 620 Electric motor, 621 gear, 630 voltage sensor, 640 battery, 650 control unit, 652 lamp.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un véhicule comprenant : un dispositif de logement de câble qui contient un câble recevant de l'électricité servant d'autre moyen de recharger un dispositif accumulateur d'électricité utilisant la puissance d'une source d'énergie externe ; et un dispositif de recharge qui limite la recharge du dispositif accumulateur d'électricité quand la tension (F) dans le câble recevant l'électricité dépasse une première valeur de seuil.
PCT/JP2010/073522 2010-12-27 2010-12-27 Système de recharge, véhicule, et procédé de recharge WO2012090261A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/073522 WO2012090261A1 (fr) 2010-12-27 2010-12-27 Système de recharge, véhicule, et procédé de recharge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/073522 WO2012090261A1 (fr) 2010-12-27 2010-12-27 Système de recharge, véhicule, et procédé de recharge

Publications (1)

Publication Number Publication Date
WO2012090261A1 true WO2012090261A1 (fr) 2012-07-05

Family

ID=46382412

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2010/073522 WO2012090261A1 (fr) 2010-12-27 2010-12-27 Système de recharge, véhicule, et procédé de recharge

Country Status (1)

Country Link
WO (1) WO2012090261A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59172915A (ja) * 1983-03-20 1984-09-29 昭和電線電纜株式会社 移動機器用ケ−ブルの送出し・引戻し長さ制御方法
JPH05276675A (ja) * 1992-03-27 1993-10-22 Nissan Motor Co Ltd 充電装置
JP2002098179A (ja) * 2000-09-21 2002-04-05 Toyota Motor Corp 電動アクチュエータの遠隔操作装置及び車両用駐車ブレーキ装置
JP2003219511A (ja) * 2002-01-17 2003-07-31 Mitsubishi Motors Corp 電気自動車

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59172915A (ja) * 1983-03-20 1984-09-29 昭和電線電纜株式会社 移動機器用ケ−ブルの送出し・引戻し長さ制御方法
JPH05276675A (ja) * 1992-03-27 1993-10-22 Nissan Motor Co Ltd 充電装置
JP2002098179A (ja) * 2000-09-21 2002-04-05 Toyota Motor Corp 電動アクチュエータの遠隔操作装置及び車両用駐車ブレーキ装置
JP2003219511A (ja) * 2002-01-17 2003-07-31 Mitsubishi Motors Corp 電気自動車

Similar Documents

Publication Publication Date Title
EP2521236B1 (fr) Appareil de réception de fil électrique, véhicule équipé de cet appareil et dispositif d'alimentation en énergie
JP5144819B2 (ja) 車両および車両の制御方法
JP5459408B2 (ja) 電動車両の電源システムおよびその制御方法ならびに電動車両
JP5720790B2 (ja) 車両の充電システムおよび車両の充電方法
JP5293773B2 (ja) 蓄電装置用の充電装置およびそれを搭載する車両、ならびに充電装置の制御方法
US9315105B2 (en) Electrically-driven vehicle and method for controlling the same
JP5556904B2 (ja) 車両
JPWO2011064856A1 (ja) 充電装置
US10384543B2 (en) Electrically powered vehicle
JP7200599B2 (ja) 車両
JP2012249384A (ja) 車両
JP2012065480A (ja) 電線格納装置およびそれを搭載する車両
JP2015201915A (ja) 車両
JP2015077856A (ja) ハイブリッド車両の制御装置
JP2012223043A (ja) 車両の電源システムおよびそれを備える車両
WO2012059989A1 (fr) Dispositif d'accueil de câble et véhicule doté d'un dispositif d'accueil de câble
JP2014204490A (ja) 電気システム
WO2012164681A1 (fr) Véhicule et procédé de commande de véhicule
JP5678910B2 (ja) 電力供給装置
WO2012090261A1 (fr) Système de recharge, véhicule, et procédé de recharge
JP5994718B2 (ja) 車両および電力供給システム
WO2012060008A1 (fr) Dispositif de stockage de fil électrique et véhicule équipé de celui-ci
JP2014060824A (ja) 充放電システム

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10861488

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10861488

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP