WO2013100556A1 - Dispositif de charge de véhicule électrique ayant une haute efficacité énergétique - Google Patents

Dispositif de charge de véhicule électrique ayant une haute efficacité énergétique Download PDF

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Publication number
WO2013100556A1
WO2013100556A1 PCT/KR2012/011458 KR2012011458W WO2013100556A1 WO 2013100556 A1 WO2013100556 A1 WO 2013100556A1 KR 2012011458 W KR2012011458 W KR 2012011458W WO 2013100556 A1 WO2013100556 A1 WO 2013100556A1
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WO
WIPO (PCT)
Prior art keywords
switch
electric vehicle
charging
unit
power
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2012/011458
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English (en)
Korean (ko)
Inventor
김병철
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyosung Corp
Original Assignee
Hyosung Corp
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 Hyosung Corp filed Critical Hyosung Corp
Publication of WO2013100556A1 publication Critical patent/WO2013100556A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/345—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering using capacitors as storage or buffering devices
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1423—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple 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
    • Y02T10/70—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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for 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
    • 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 charging apparatus, and more particularly, to an electric vehicle charging apparatus having increased energy efficiency by adding an energy storage unit inside the electric vehicle charging apparatus.
  • a vehicle driven by an engine requires a large number of parts such as fuel supply, intake and exhaust, cooling and lubrication system, and dustproof device in relation to the engine, transmission and drive shaft, hydraulic brake, and other engines.
  • parts such as fuel supply, intake and exhaust, cooling and lubrication system, and dustproof device in relation to the engine, transmission and drive shaft, hydraulic brake, and other engines.
  • vehicles equipped with electric motors, hydrogen cars, fuel cells, or next generation cars using solar energy have been developed.
  • an electric vehicle needs to charge a battery as a power source for driving, and a large amount of power is consumed.
  • the battery needs to be frequently charged, standby power consumed by the battery charger itself is considerable.
  • the high electric power consumption of the electric vehicle reduces the utility of energy saving, which is an advantage of the electric vehicle, and leads to energy production to cope with enormous power consumption, resulting in environmental pollution.
  • both the regular operation unit such as the display window of the charger and the emergency operation unit such as the charging circuit receive power from the internal power supply unit.
  • the emergency operation unit such as the charging circuit because there is no charge to be charged, and only power is supplied to the regular operation unit such as the display window.
  • the internal power supply unit since the internal power supply converts the grid power of a high voltage to supply power to the continuous operation unit, there is a problem of causing unnecessary voltage conversion loss.
  • the problem to be solved by the present invention is to provide a high-efficiency electric vehicle charging device capable of maintaining the standby mode without inflow of power from the outside even in the standby mode.
  • the method may include determining a charging mode or a standby mode and controlling switching operations of the first switch and the second switch
  • the energy storage unit may supply power to the controller when the electric vehicle charging device is in the standby mode.
  • the electric vehicle charging method comprises the steps of determining the charging mode or standby mode of the electric vehicle charging apparatus based on whether the control unit is electrically connected to the emergency operation unit; And when the electric vehicle charging device is in the standby mode, the controller sequentially turns on a second switch located between the energy storage unit and the regular operation unit, and the first power source positioned between the system power source and the electric vehicle charging unit. Turning off the switch; And when the electric vehicle charging device is in the charging mode, turning on the first switch and turning off the second switch by the controller.
  • the constant operation part may include the control part, an output part, and an input part, and when the second switch is turned on, power is supplied from the energy storage part to the control part.
  • the present invention it is possible to reduce standby power consumed in the process of charging the electric vehicle battery by maintaining the standby mode without inflow of power from the outside even in the standby mode.
  • 1 and 2 is a configuration diagram of a conventional electric vehicle charging device
  • 3 and 4 is a configuration diagram of the electric vehicle charging device according to an embodiment of the present invention
  • FIG. 5 is a flow chart of the electric vehicle charging method according to an embodiment of the present invention.
  • 3 and 4 is a configuration diagram of the electric vehicle charging device 200 according to an embodiment of the present invention.
  • the electric vehicle charging device 200 includes a permanent operation unit 220, an emergency operation unit 230, a power supply unit 210, an energy storage unit 240, a first switch 251, and a second unit. Switch 252 and connector 260 configurations. For reference, there is a battery that is the target of charging the electric power system 100 and the electric vehicle outside the electric vehicle charging device 200.
  • the permanent operation unit 220 performs various general operations required when the electric vehicle charging device 200 basically operates. As shown in FIG. 4, the always-operating unit 220 outputs various types of information such as an input unit 222 that can receive a user's operation of the electric vehicle charging device 200, a state of charge of the battery or a time taken to fully charge the battery.
  • the controller 221 may control various configurations of the output unit 223 or the electric vehicle charging apparatus 200.
  • the continuous operation unit 220 including such a configuration always supplies power from the inside or outside of the charging device 200 when the external system power supply 100 and the charging device 200 are connected regardless of whether the battery is charged or discharged. It works by being supplied.
  • the emergency operation unit 230 is distinguished from the regular operation unit 220 and mainly performs an operation required to supply power to a battery to be charged. Receives power from various external system power sources 100 to convert power to be suitable for charging the battery, and serves to supply the external battery through the connector 260.
  • the emergency operation unit 230 is a suitable level allowed by the battery to charge without burdening the battery performance in the environment of the external grid power supply 100, which is generally used 220V three-phase four-wire voltage input It converts to a voltage of (180V).
  • the emergency operation unit 230 may include a circuit necessary for an electric filter or DC conversion of an input AC to reduce various noises or electromagnetic waves.
  • the power may be cut off so that the battery no longer supplies power for charging to the battery under the control of the operation unit 220.
  • the emergency operation unit 230 may include various components used for charging a battery such as various filters, meters, and contactors.
  • the emergency operation unit 230 serves to receive and process various types of power from the system power supply 100 located outside the electric vehicle charging device 200 to convert and supply the electric vehicle into a form necessary for charging the electric vehicle.
  • the electric vehicle charging device 200 is in the charging mode, the operation necessary for charging is performed, and in the standby mode, the power is cut off.
  • the power supply unit 210 serves to supply power to operate the emergency operation unit and the emergency operation unit.
  • the power supply unit 210 rectifies and smoothes the power input from the system power supply 100 in accordance with the operation of the regular operation unit 220 and the emergency operation unit 230 to supply a constant voltage.
  • the power supply unit 210 may be a switching mode power supply (SMPS).
  • SMPS is a configuration well known to those skilled in the art, the description thereof will be omitted.
  • the energy storage unit 240 is located inside the electric vehicle charging device 200 and stores the energy in the energy storage unit itself when the electric vehicle charging device 200 is in the charging mode, and stored energy when in the standby mode. By using the serves to supply power to the always-operating unit 220.
  • An element that may be used as the energy storage unit 240 includes a second battery such as a supercapacitor or a battery, and the battery used in the energy storage unit may be distinguished from a battery used to drive a motor of an electric vehicle.
  • the first switch 251 serves to electrically connect the external system power supply 100 with the electric vehicle charging device 200.
  • the external system power supply 100 Under the control of the always-operating unit 220, in the charging mode, the external system power supply 100 is electrically connected to the on (On) so that the electric vehicle charging device 200 is supplied to the charging device (200), the standby mode is switched off (Off) To cut off the power supply.
  • the first switch 251 is used to prevent unnecessary power conversion loss that may occur in the power supply unit 210 by blocking the external system power supply 100 in the standby mode, while in the charging mode.
  • the energy storage unit 240 is charged to prepare for power supply of the permanent operation unit 220 in the standby mode in the future.
  • the second switch 252 electrically connects the energy storage unit 240 and the always-operating unit 220 in the standby mode to supply power to the always-operating unit 220.
  • the second switch 252 is switched off in the charging mode under the control of the always operating unit 220 to cut off the power supplied to the always operating unit 220 and charge the power to the energy storage unit 240 itself. In the standby mode, the switch is turned on to supply power to the always-operating unit 220.
  • the energy storage unit 240 of the electric vehicle charging device 200 is used as a power source without the external power supply. Since it can be operated, it is possible to prevent the waste of standby power consumed by the use of the external system power supply (100).
  • the connector 260 is a part in which the electric vehicle charging device 200 and the battery are electrically connected to the electric vehicle battery charging, and are located between the emergency operation unit 230 and the battery.
  • the controller 221 of the continuous operation unit 220 controls various configurations such as the switches 251 and 252, the emergency operation unit 230, and the regular operation unit 220 in the electric vehicle charging device 200, and the current mode of the electric vehicle charging device 200.
  • the controller 221 is connected to the external system power supply 100 by the charging device 200 or the discharged battery is connected to the connector 260 through the current detected by the meter in the operating unit 230, etc.
  • the current vehicle charging device 200 determines whether the charging mode or standby mode.
  • the controller 221 determines on / off of the first switch 251 and the second switch 252 according to the determined mode. In more detail, when the charging device 200 of the electric vehicle is in the standby mode, the first switch 251 is blocked to prevent standby power consumed by the power supply 210.
  • the controller 221 controls the second switch 252 to be turned on before the first switch 251 is turned off so as to secure power required for the regular operation unit 220 to operate.
  • the controller 221 turns on the first switch 251 when the charging device 200 is in the charging mode to receive power for charging the electric vehicle battery.
  • the second switch 252 since the power is supplied from the outside, it is no longer necessary to use the power stored in the energy storage unit 240 so that the second switch 252 is controlled to be turned off.
  • the controller 221 controls the first switch 251 and the second switch 252 to turn on the first switch 251 and sequentially turn off the second switch 252.
  • FIG. 5 is a flowchart illustrating a method for charging an electric vehicle according to an embodiment of the present invention.
  • an electric vehicle charging method according to the present invention will be described with reference to FIG. 5.
  • the controller 221 determines whether the electric vehicle charging device 200 is in the charging mode or the standby mode based on whether the emergency operation unit 230 is electrically connected (S510).
  • the controller 221 When it is determined that the charging device 200 of the electric vehicle is in the standby mode, the controller 221 turns on the second switch 252 (S521) and supplies power to the always-operating unit 220. Thereafter, the controller 221 turns off the first switch 251 (S523) to completely cut off power input from the outside. As a result, unlike the conventional art, standby power is unnecessaryly consumed by the power supply unit 210.
  • the controller 221 turns on the first switch 251 (S531) receives the power input from the outside to charge the battery of the electric vehicle. . Thereafter, the control unit 221 turns off the second switch 252 (S533) to cut off the power supplied to the permanent operation unit 220 and charge the energy storage unit 240 to prepare for a future standby mode state.
  • the standby power consumed in the process of charging the electric vehicle battery may be reduced by maintaining the standby mode without introducing power from the outside even in the standby mode.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
PCT/KR2012/011458 2011-12-30 2012-12-26 Dispositif de charge de véhicule électrique ayant une haute efficacité énergétique Ceased WO2013100556A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110146864A KR20130078099A (ko) 2011-12-30 2011-12-30 에너지 효율성이 높은 전기자동차 충전장치
KR10-2011-0146864 2011-12-30

Publications (1)

Publication Number Publication Date
WO2013100556A1 true WO2013100556A1 (fr) 2013-07-04

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PCT/KR2012/011458 Ceased WO2013100556A1 (fr) 2011-12-30 2012-12-26 Dispositif de charge de véhicule électrique ayant une haute efficacité énergétique

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WO (1) WO2013100556A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101575469B1 (ko) 2014-05-08 2015-12-08 현대자동차주식회사 전기자동차의 예약충전 제어방법 및 제어기
KR101846680B1 (ko) 2016-06-16 2018-05-21 현대자동차주식회사 차량의 배터리 관리 시스템
KR101866037B1 (ko) * 2016-07-11 2018-06-11 현대자동차주식회사 차량의 배터리 관리 시스템
KR101866059B1 (ko) 2016-09-26 2018-06-11 현대자동차주식회사 차량 배터리 충전 시스템 및 방법
KR20250145850A (ko) * 2024-03-29 2025-10-13 엘지이노텍 주식회사 전기 자동차를 위한 충전 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200253465Y1 (ko) * 2001-07-30 2001-11-22 (주)이안테크놀로지 절전형 배터리 충전 장치
JP2005157948A (ja) * 2003-11-28 2005-06-16 Nanao Corp 電力供給システム
KR20110027520A (ko) * 2009-09-10 2011-03-16 중앙대학교 산학협력단 에너지 스캐밴징을 이용한 대기전력 저감 시스템 및 전기전자장치
KR20110092847A (ko) * 2010-02-10 2011-08-18 주식회사 유컴테크놀러지 대기전력 차단 장치 및 방법
KR20110113097A (ko) * 2010-04-08 2011-10-14 엘지전자 주식회사 축전지를 구비한 의류처리장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200253465Y1 (ko) * 2001-07-30 2001-11-22 (주)이안테크놀로지 절전형 배터리 충전 장치
JP2005157948A (ja) * 2003-11-28 2005-06-16 Nanao Corp 電力供給システム
KR20110027520A (ko) * 2009-09-10 2011-03-16 중앙대학교 산학협력단 에너지 스캐밴징을 이용한 대기전력 저감 시스템 및 전기전자장치
KR20110092847A (ko) * 2010-02-10 2011-08-18 주식회사 유컴테크놀러지 대기전력 차단 장치 및 방법
KR20110113097A (ko) * 2010-04-08 2011-10-14 엘지전자 주식회사 축전지를 구비한 의류처리장치

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