WO2023075227A1 - 배터리 교환 스테이션 및 이를 이용한 배터리 충전 방법 - Google Patents
배터리 교환 스테이션 및 이를 이용한 배터리 충전 방법 Download PDFInfo
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- WO2023075227A1 WO2023075227A1 PCT/KR2022/015508 KR2022015508W WO2023075227A1 WO 2023075227 A1 WO2023075227 A1 WO 2023075227A1 KR 2022015508 W KR2022015508 W KR 2022015508W WO 2023075227 A1 WO2023075227 A1 WO 2023075227A1
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- Prior art keywords
- battery
- charging
- mode
- fully charged
- target
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 238000007599 discharging Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
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- 230000001939 inductive effect Effects 0.000 claims 2
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L53/20—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 converters located in the vehicle
- B60L53/24—Using the vehicle's propulsion converter for charging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/53—Batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/13—Maintaining the SoC within a determined range
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- H—ELECTRICITY
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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- H—ELECTRICITY
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- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0025—Sequential battery discharge in systems with a plurality of batteries
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
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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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/527—Voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/80—Time limits
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
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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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- 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
- Y02T90/12—Electric charging stations
Definitions
- the present invention relates to a battery exchange station and a battery charging method using the same, and more particularly, to a battery exchange station capable of rapid charging and a battery charging method using the same.
- BSS battery swapping station
- a conventional battery exchange station is provided in a form in which a portion of the basic power provided to an existing building is allocated.
- An object of the present invention to solve the above problems is to provide a high-efficiency and low-cost battery exchange station.
- Another object of the present invention to solve the above problems is to provide a high-efficiency and low-cost battery charging method using a battery exchange station.
- a battery exchange station for achieving the above object charges at least one battery individually accommodated in a battery charging unit, and AC/DC conversion converts external power provided in an alternating current form into a direct current form.
- one end is connected to the AC / DC conversion unit and the other end is individually connected to at least one battery accommodating unit, and a part of the external power input from the AC / DC converting unit is individually provided to the battery accommodating unit DC
- It is connected to the /DC conversion unit and the DC/DC conversion unit to control the operation of the DC/DC according to the operation in the normal mode or the fast mode. and a controller for selecting a battery and rapidly charging the target battery.
- control unit may output a part of the external power as it is by executing the DC/DC converter in a buck mode when operating in the normal mode.
- the DC/DC converter may be provided as a bi-directional DC/DC converter.
- the control unit when operating in the fast mode, changes the operation mode of other DC/DC converters, except for the specific DC/DC converter connected to the target battery, to a boost mode, so that the other DC/DC converters are converted.
- Charging current may be induced toward the target battery by setting a negative output voltage higher than the output voltage of the specific DC/DC converter to change the power transfer direction.
- the controller may operate in a discharge mode when the user does not use the battery exchange station for a preset idle time.
- the battery exchange station may further include a switch that is individually connected between the battery charging unit and the DC/DC conversion unit and is switched to an ON state when the controller is in a discharge mode to ground the battery.
- a battery having the highest charge rate among the at least one battery at the time when the battery exchange request message is transmitted is selected as the target battery. checking information about the expected time of arrival of the user, and checking whether or not the target battery can be fully charged within the expected time of arrival of the user; and if it is possible to complete charging of the target battery within the expected time of arrival, the Operating in a rapid mode to rapidly charge the target battery.
- the method may further include maintaining the operation in the normal mode and charging at least one battery whose charging is not completed.
- the operation mode of other DC/DC conversion units other than the specific DC/DC conversion unit connected to the target battery in the battery exchange station is changed to a boost mode, so as to input the other DC/DC conversion units.
- a charging current may be induced toward the target battery by setting a voltage higher than the output voltage of the specific DC/DC converter to change a power transmission direction.
- At least one DC/DC converter in the battery exchange station may be executed in a buck mode to equally distribute and output the external power.
- the method may further include charging at least one uncharged battery by maintaining the operation in the normal mode when the fully charged battery exists.
- the method may further include operating in a discharge mode when the battery exchange station reaches a predetermined idle time.
- the operating in the discharge mode may include checking whether or not the fully charged battery exists, and if the fully charged battery exists, the battery being charged among at least one battery other than the fully charged battery
- the method may include checking whether the battery is present or not, and discharging the fully charged battery to a size of a battery drain when the battery being charged does not exist.
- the battery drain may be the size of the current that can be discharged at the maximum at one time in the battery.
- a direction of output power of a DC/DC converter in the battery exchange station connected to the charged battery is switched, and the at least one battery being charged is changed to the A step of charging in a normal mode may be further included.
- the method may further include charging at least one uncharged battery by operating in the normal mode.
- the battery charging method may further include switching to and operating in a normal mode when the fully charged battery is replaced by a user.
- a battery exchange station and a battery charging method using the same charge at least one battery accommodated in a battery charging unit according to a normal mode, a rapid mode, and a discharge mode, thereby providing allocated power and a charged battery provided from a grid.
- FIG. 1 is a block diagram of a battery exchange station according to an embodiment of the present invention.
- FIG. 2 is a hardware block diagram of a controller of a battery exchange station according to an embodiment of the present invention.
- FIG. 3 is a flowchart of a battery charging method using a battery exchange station according to an embodiment of the present invention.
- FIG. 4 is a flowchart of a battery charging method according to a discharging mode of a battery exchange station according to an embodiment of the present invention.
- switch unit 7000 control unit
- first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. These terms are only used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.
- the term “and/or” includes any combination of a plurality of related listed items or any of a plurality of related listed items.
- FIG. 1 is a block diagram of a battery exchange station according to an embodiment of the present invention.
- the battery exchange station D may charge at least one battery acquired from the user and provide the charged battery to the user.
- the battery exchange station D may be provided in at least one facility where power is provided. Accordingly, the battery exchange station D can receive the allocated power allocated from the corresponding facility through the grid.
- the allocated power may be power allocated from a corresponding facility to charge at least one battery accommodated in the battery exchange station D.
- the battery exchange station D may include a battery charging unit (not shown), an AC/DC conversion unit 1000, a DC/DC conversion unit 3000, a switch unit 5000, and a control unit 7000.
- the battery exchange station D may interwork with an external server. Accordingly, the battery exchange station D may receive a battery exchange request message requested from the user through the external server.
- a plurality of battery chargers are provided and may accommodate at least one battery inserted from the outside by a user. Accordingly, the battery exchange station D may charge at least one battery accommodated in a battery charger (not shown).
- a battery accommodated in a battery charging unit may have a voltage of 100V, a current capacity of 30000mAh, and an amount of power of 3000Wh.
- the battery exchange station D may provide a fully charged battery among batteries accommodated in at least one battery charging unit (not shown) to the user.
- a maximum charging current may be set in the battery charger (not shown). Accordingly, the control unit 7000, which will be described later, can prevent the battery from being fully charged and degraded before the user arrives at the battery exchange station D during operation in the fast mode.
- a plurality of AC/DC converters 1000 may be provided and may be individually connected to a battery charger (not shown) through a DC/DC converter 3000 to be described later.
- one end of the AC/DC converter 1000 may be connected to the grid, and the other end may be individually connected to the DC/DC converter 3000 to be described later. Accordingly, the AC/DC conversion unit 1000 may individually transfer allocated power provided through the grid of the corresponding facility to a battery charging unit (not shown) through the DC/DC conversion unit 3000 .
- the AC/DC converter 1000 may divide the allocated power provided from the grid by the amount of power distributed by the control unit 7000 and provide the divided power to the DC/DC converter 3000 . Accordingly, the DC/DC converter 3000 may transfer the divided amount of power to each battery charger (not shown).
- the AC/DC converter 1000 may convert the form of allocated power provided through the grid.
- the AC/DC conversion unit 1000 may convert the allocated power in the form of alternating current provided through the grid into direct current form and separately provide it to the battery charger (not shown). Accordingly, a battery that is accommodated in a battery charging unit (not shown) and uses DC power may be charged.
- the DC/DC converter 3000 may have one end individually connected to the AC/DC converter 1000 and the other end individually connected to a battery charging unit (not shown). Accordingly, the DC/DC conversion unit 3000 can stably supply the DC power received from the AC/DC conversion unit 1000 to the battery accommodated in the battery charging unit (not shown).
- the DC/DC converter 3000 may be provided as a bi-directional DC/DC converter.
- the DC/DC converter 3000 may be connected to a controller 7000 to be described later. Accordingly, the DC/DC converter 3000 may operate in a buck mode or a boost mode according to the charging mode of the controller 7000 .
- the DC/DC converter 3000 may operate in a buck mode.
- the DC/DC converter 3000 in the buck mode may output input power input from the AC/DC converter 1000 that is individually connected to the DC/DC converter 3000 as it is.
- control unit 7000 when the control unit 7000 operates in the fast mode, some of the DC/DC conversion unit 3000, by the control unit 7000, directs the charging power to the battery charging unit (not shown). ) to the grid direction, and can operate in boost mode.
- the inputs and outputs in boost mode may be opposite to the inputs and outputs in buck mode.
- the rapid mode may be an operation mode of the control unit 7000 that is executed when a battery exchange request message is received from a user through an external server.
- a target battery to be exchanged may be selected and the target battery may be rapidly charged.
- At least one other DC/DC converter 3000 other than the DC/DC converter 3000 connected to the target battery is controlled by the control unit 7000 to change the power transfer direction to the battery charger (not shown). ) can be switched to the grid direction. Accordingly, at least one other DC/DC converter 3000 transfers the charged power of at least one battery connected to the DC/DC converter 3000 to the DC/DC converter 3000 to which the target battery is connected. can transmit
- At least one other DC/DC converter 3000 other than the specific DC/DC converter 3000 connected to the target battery may operate in the boost mode.
- At least one other DC/DC converter 3000 operating in the boost mode may change the output voltage by adjusting the opening/closing time ratio.
- the output voltage of the AD/DC converter 1000 is 400Vdc
- the output voltage of the output terminal connected to the AD/DC converter 1000 of the DC/DC converter 3000 connected to the target battery is the control unit. It can be changed to 399Vdc by (7000).
- At least one other DC/DC converter 3000 operated in buck mode except for the DC/DC converter connected to the target battery, the input voltage of the input terminal connected to the AD/DC converter 1000 is adjusted to 400Vdc. can Accordingly, when the controller 7000 operates in the fast mode, the target battery can be rapidly charged through the DC/DC converter 3000 operating in the booster mode.
- the switch 5000 may be individually connected between a battery charger (not shown) and the DC/DC converter 3000 .
- the switch 5000 is switched to an ON state in the discharge mode of the control unit 7000, and the battery can be discharged by grounding it.
- the switch 5000 turns on a switch connected to the fully charged battery when all the batteries in the battery conversion station D are fully charged or charged to a predetermined standard by the control unit 7000, It can be discharged to the size of the drain.
- the battery drain may be the size of the current that can be discharged at the maximum at one time in the battery. At this time, the size of the battery drain (Drain) can be individually adjusted by the resistor (R) connected to the ground direction.
- the controller 7000 may control a battery charging operation of the battery exchange station D.
- controller 7000 may operate in a normal mode, a rapid mode, and a discharge mode.
- the normal mode may be a basic charging mode performed when at least one battery is mounted in a battery charger (not shown).
- control unit 7000 may equally distribute and supply allocated power transmitted from the grid to at least one battery charging unit (not shown) in the normal mode.
- the controller 7000 may supply charging power of 2.5 KWh to each of the battery chargers (not shown) when the allocated power is 10KWh and four battery chargers (not shown) are provided.
- the battery charger (not shown) can charge the battery accommodated in the battery charger (not shown) at a 0.5 C-rate by the control unit 7000, and can supply a charging current of 15A.
- the C-rate may be an amount that can be charged for a corresponding time when the battery is charged with a specific constant current.
- a battery charging unit (not shown) may output a maximum charging current of 300 mA at a 0.5 C-rate.
- the quick mode may be a mode performed when a battery exchange message is received by a user through an external server.
- the controller 7000 may select a target battery for rapid charging when operating in the rapid mode.
- the target battery is an exchange target battery to be exchanged according to a user request, and a battery with the highest charge rate at the time when the battery exchange request message is transmitted among at least one battery accommodated in the battery exchange station D is selected as the target battery.
- control unit 7000 may change the operation modes of other DC/DC converters 3000 other than the DC/DC converter 3000 connected to the target battery to the boost mode.
- control unit 7000 sets the input voltage of at least one other battery other than the target battery higher than the output voltage of the target battery, so that the target battery receives the allocated power provided from the grid and other DC/DC converters ( 3000), the target battery may be rapidly charged using the charging power of the battery connected to 3000).
- control unit 7000 may calculate an allowable current value by setting a threshold value for the current delivered to the target battery so that the charging of the target battery can be completed when the user arrives.
- the control unit 7000 can check the state current of the selected target battery.
- the state current of the battery may be provided in units of mAh.
- the controller 7000 may calculate a battery charging capacity (State of Charge) required to complete charging of the target battery.
- State of Charge a battery charging capacity required to complete charging of the target battery.
- the charging capacity of the target battery may be a value obtained by subtracting the state current of the target battery at the time when the battery replacement request message is transmitted from the maximum current capacity of the target battery.
- the controller 7000 may check information about the expected time of arrival of the user to the battery exchange station D, which is included in the battery exchange request message.
- the controller 7000 may calculate an allowable current (I P ) of the target battery so that charging of the target battery may be completed according to the expected arrival time of the user.
- the allowable current value (I P ) of the battery can be calculated as in [Equation 1] below.
- a current state current of the target battery (mA)
- T min user's estimated time of arrival (min)
- control unit 7000 may supply a allowable current of 60 A to the target battery in the rapid mode, and for this purpose, the control unit 7000 may discharge at least one other battery other than the target battery at a 2 C-rate. there is.
- the C-rate may be an amount that can be discharged for a corresponding time when the battery is discharged with a specific constant current. For example, if a battery with a charging capacity of 3000 mA/h is used, the battery can output a maximum charging current of 1200 mA at a 2 C-rate.
- control unit 7000 in the battery exchange station D sets an allowable current value for adjusting the real-time charging time of the battery so that the charging of the target battery can be completed according to the expected arrival time of the user. By setting, deterioration of the battery can be prevented.
- the discharge mode may be a control mode that is operated when a predetermined time elapses after the battery is completely charged.
- control unit 7000 operates a switch operation according to the presence of a specific battery that has been fully charged from at least one battery accommodated in a battery charging unit (not shown) and a battery being charged among other batteries excluding the specific battery. can be controlled with
- the controller 7000 may switch the charging direction of the DC/DC converter 3000 connected to a specific fully charged battery when there is a battery being charged among other batteries. Accordingly, the controller 7000 can increase the charging power of the battery being charged and prevent the state of health (SoH) of the fully charged battery from deteriorating.
- SoH state of health
- the controller 7000 turns on at least one switch 5000 connected to the fully charged batteries when all the batteries are fully charged or charged to a predetermined standard, thereby reducing the battery to a drain size. can discharge.
- the controller 7000 may discharge the battery to the drain level until the state of charge (SOC) of the battery is 90%.
- control unit 7000 may be operated by at least one hardware configuration.
- the hardware configuration of the control unit 7000 will be described in more detail with reference to FIG. 2 below.
- FIG. 2 is a hardware block diagram of a controller of a battery exchange station according to an embodiment of the present invention.
- the controller 7000 may include a memory 100, a processor 200, a transmission/reception device 300, an input interface device 400, an output interface device 500, and a storage device 600. there is.
- each of the components 100, 200, 300, 400, 500, and 600 included in the control unit 7000 may be connected by a bus 700 to communicate with each other.
- the memory 100 and the storage device 600 may be configured with at least one of a volatile storage medium and a non-volatile storage medium.
- the memory 100 and the storage device 600 may include at least one of a read only memory (ROM) and a random access memory (RAM).
- the memory 100 may include at least one command executed by the processor 200 .
- the at least one command includes a command to charge at least one battery accommodated in the battery charging unit, a command to check whether a battery exchange request message transmitted from a user through an external server is received, and the battery exchange command.
- a command to charge at least one battery accommodated in the battery charging unit by operating in a normal mode and when the battery exchange request message is received, a fully charged battery exists among the at least one battery command to check whether or not the fully charged battery exists, selects the battery with the highest charge rate as the target battery at the time when the battery exchange request message is transmitted, and operates in fast mode to replace the target battery. It may contain a command to cause fast charging.
- the processor 200 may mean a central processing unit (CPU), a graphics processing unit (GPU), or a dedicated processor on which methods according to embodiments of the present invention are performed.
- CPU central processing unit
- GPU graphics processing unit
- dedicated processor on which methods according to embodiments of the present invention are performed.
- the processor 200 may execute at least one program command stored in the memory 100 .
- FIG. 3 is a flowchart of a battery charging method using a battery exchange station according to an embodiment of the present invention.
- the controller 7000 in the battery exchange station may charge at least one battery accommodated in a battery charging unit (not shown) (S1000). At this time, the controller 7000 may charge at least one battery in a normal mode.
- the controller 7000 may equally distribute and supply allocated power transmitted from the grid to at least one battery charging unit (not shown) in the normal mode.
- charging power of 2.5 KWh may be supplied to each of the battery chargers (not shown).
- the controller 7000 may operate in a discharge mode when the battery exchange station D reaches a preset idle time (S2000).
- the idle time may be a time T elapsed after at least one battery charged in the battery charger (not shown) is fully charged.
- the controller 7000 may operate in a discharge mode when at least one battery reaches a preset idle time in a fully charged state (S2000). The operation of the controller 7000 according to the discharge mode will be described in more detail with reference to FIG. 4 below.
- FIG. 4 is a flowchart of a battery charging method according to a discharging mode of a battery exchange station according to an embodiment of the present invention.
- the controller 7000 may check whether a fully charged battery exists (S3100).
- the controller 7000 may charge at least one uncharged battery by maintaining an operation in the normal mode (S3300).
- the controller 7000 may check whether a battery being charged exists (S3500).
- the controller 7000 may change the charging direction of the DC/DC converter 3000 connected to the specific battery. Thereafter, the controller 7000 may maintain operation in the normal mode (S3300). Accordingly, the controller 7000 may increase the charging power of the battery being charged by distributing the allocated power to the remaining battery chargers (not shown) except for the battery charger (not shown) that has been fully charged. It is possible to prevent deterioration of the lifespan (State of Health, SoH).
- the controller 7000 turns on at least one switch 5000 connected to a fully charged battery when there is no battery being charged, that is, when charging of all batteries is completed, thereby discharging the battery. It can be discharged to the size of the drain (S3700).
- the battery drain may be the size of the current that can be discharged at the maximum at one time in the battery. At this time, the size of the battery drain (Drain) can be individually adjusted by the resistor (R) connected to the ground direction.
- the controller 7000 may discharge the battery to the drain level until the state of charge (SOC) of the battery reaches a stable state.
- the controller 7000 may discharge the battery to the drain level until the state of charge (SOC) of the battery is 90%.
- a battery that is discharged to the size of a battery drain according to an embodiment of the present invention is not limited to the description, and a fully charged battery or a battery that is charged over a predetermined standard set by a user may be applied.
- the controller 7000 may check whether a battery exchange request message transmitted from the user through an external server is received (S4000).
- the battery exchange request message may include information about an estimated time of arrival of a user moving toward a battery exchange station.
- the expected arrival time information may be described and provided in units of minutes.
- the controller 7000 when the battery exchange request message is not received, the controller 7000 maintains operation in a normal mode (S5000) to charge at least one battery accommodated in a battery charging unit (not shown).
- the controller 7000 may check whether a fully charged battery exists among at least one battery accommodated in a battery charging unit (not shown) (S6000). According to an embodiment, the control unit 7000 may determine whether a fully charged battery exists by checking the charging current capacity (mAh) of at least one battery at the time when the battery replacement request message is transmitted.
- mAh charging current capacity
- the controller 7000 may maintain operation in the normal mode (S5000) to charge at least one battery that has not been fully charged.
- the controller 7000 may select a battery having the highest charge rate as the target battery at the time when the battery exchange request message is transmitted.
- controller 7000 may check information on the expected time of arrival of the user to determine whether or not the target battery can be fully charged within the expected time of arrival of the user (S7000).
- control unit 7000 calculates the sum of the allocated power transmitted from the grid and the allowable power obtained from at least one battery excluding the target battery (see Equation 1), and the expected arrival time of the user. You can check if it is possible to fully charge within
- the controller 7000 may maintain operation in the normal mode (S5000).
- the controller 7000 may switch to a fast mode and operate (S8000).
- control unit 7000 sets the operation mode of other DC/DC converters 3000 other than the DC/DC converter 3000 connected to the target battery to the boost mode in the fast mode. can be changed
- the control unit 7000 sets the input voltage of at least one other battery other than the target battery higher than the target battery voltage, so that the control unit 7000 receives the incoming power from at least one other battery together with the allocated power provided from the grid.
- the target battery can be rapidly charged by the charging current.
- the controller 7000 may change the charging mode to a normal mode and restart charging of the replaced discharged battery.
- the battery exchange station and the battery charging method using the battery exchange station according to an embodiment of the present invention have been described above.
- a battery exchange station and a battery charging method using the same charge at least one battery accommodated in a battery charging unit according to a normal mode, a rapid mode, and a discharge mode, thereby providing allocated power and a charged battery provided from a grid.
- a computer-readable recording medium includes all types of recording devices in which data that can be read by a computer system is stored.
- computer-readable recording media may be distributed to computer systems connected through a network to store and execute computer-readable programs or codes in a distributed manner.
- the computer-readable recording medium may include hardware devices specially configured to store and execute program instructions, such as ROM, RAM, and flash memory.
- the program command may include high-level language codes that can be executed by a computer using an interpreter or the like as well as machine code generated by a compiler.
- a block or apparatus corresponds to a method step or feature of a method step.
- aspects described in the context of a method may also be represented by a corresponding block or item or a corresponding feature of a device.
- Some or all of the method steps may be performed by (or using) a hardware device such as, for example, a microprocessor, programmable computer, or electronic circuitry. In some embodiments, one or more of the most important method steps may be performed by such an apparatus.
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Abstract
Description
Claims (18)
- 배터리 충전부에 개별 수용되는 적어도 하나의 배터리를 충전하는 배터리 교환 스테이션(Battery Swapping Station, BSS)으로,교류 형태로 제공되는 외부 전력을 직류 형태로 전환하는 AC/DC 변환부;일단이 상기 AC/DC 변환부와 연결되고 타단이 적어도 하나의 상기 배터리 수용부와 개별 연결되어, 상기 AC/DC 변환부로부터 입력되는 외부 전력의 일부를 상기 배터리 수용부에 개별 제공하는 DC/DC 변환부; 및상기 DC/DC 변환부와 연결되어, 일반 모드 또는 급속 모드로의 동작에 따라 상기 DC/DC의 동작을 제어하되, 상기 급속 모드로의 동작 시 적어도 하나의 상기 배터리 중 타겟 배터리를 선택하여 상기 타겟 배터리를 급속 충전하는 제어부를 포함하는, 배터리 교환 스테이션.
- 청구항 1에 있어서,상기 제어부는상기 일반 모드로의 동작 시 상기 DC/DC 변환부를 벅 모드로 실행하여, 상기 외부 전력의 일부를 그대로 출력시키는, 배터리 교환 스테이션.
- 청구항 1에 있어서,상기 DC/DC 변환부는 양방향 DC/DC 컨버터로 제공되는, 배터리 교환 스테이션.
- 청구항 1에 있어서,상기 제어부는상기 급속 모드로의 동작 시, 상기 타겟 배터리와 연결된 특정 DC/DC 변환부를 제외한, 다른 DC/DC 변환부의 입력 전압을 상기 특정 DC/DC 변환부의 출력 전압 대비 높게 설정하여 상기 전력 전송 방향을 전환함으로써, 상기 타겟 배터리 쪽으로 충전 전류를 유도하는, 배터리 교환 스테이션.
- 청구항 1에 있어서,상기 제어부는사전 설정된 휴지 시간 동안 사용자로 하여금 상기 배터리 교환 스테이션의 이용이 없을 경우 방전 모드로 동작하는, 배터리 교환 스테이션.
- 청구항 5에 있어서,상기 배터리 충전부 및 상기 DC/DC 변환부 사이에 개별 연결되어, 상기 제어부의 방전 모드 시 ON 상태로 스위칭되어 배터리를 접지하는 스위치를 더 포함하는, 배터리 교환 스테이션.
- 배터리 교환 스테이션에 의해 배터리 충전부에 개별 수용되는 적어도 하나의 배터리를 충전하는 배터리 충전 방법으로,상기 배터리 충전부에 수용된 적어도 하나의 배터리를 충전하는 단계;사용자로부터 외부 서버를 통해 전달된 배터리 교환 요청 메시지의 수신 여부를 확인하는 단계;상기 배터리 교환 요청 메시지가 수신되지 않을 경우, 일반 모드로 동작하여 상기 배터리 충전부에 수용된 적어도 하나의 배터리를 충전하는 단계;상기 배터리 교환 요청 메시지가 수신될 경우, 상기 적어도 하나의 배터리 중 충전이 완료된 배터리가 존재하는지의 여부를 확인하는 단계; 및상기 충전이 완료된 배터리가 존재하지 않을 경우, 상기 배터리 교환 요청 메시지가 전송된 시점에서의 상기 적어도 하나의 배터리 중 충전율이 가장 높은 배터리를 타겟 배터리로 선정하고 급속 모드로 동작하여 상기 타겟 배터리를 급속 충전하는 단계를 포함하는, 배터리 충전 방법.
- 청구항 7에 있어서,상기 타겟 배터리를 급속 충전하는 단계는,상기 충전이 완료된 배터리가 존재하지 않을 경우, 상기 배터리 교환 요청 메시지가 전송된 시점에서의 상기 적어도 하나의 배터리 중 충전율이 가장 높은 배터리를 타겟 배터리로 선정하는 단계;사용자의 도착 예상 시간 정보를 확인하여, 상기 타겟 배터리가 사용자의 도착 예상 시간 이내에 충전 완료가 가능한 지의 여부를 확인하는 단계; 및상기 도착 예상 시간 내 상기 타겟 배터리의 충전 완료가 가능할 경우, 상기 급속 모드로 동작하여 상기 타겟 배터리를 급속 충전하는 단계를 포함하는, 배터리 충전 방법.
- 청구항 8에 있어서,상기 도착 예상 시간 내 상기 타겟 배터리의 충전이 완료되지 않을 경우, 상기 일반 모드로의 동작을 유지하여, 충전이 완료되지 않은 적어도 하나의 배터리를 충전하는 단계를 더 포함하는, 배터리 충전 방법.
- 청구항 7에 있어서,상기 급속 모드에서는,상기 배터리 교환 스테이션 내 상기 타겟 배터리와 연결된 특정 DC/DC 변환부를 제외한 다른 DC/DC 변환부의 동작 모드를 부스트(Boost) 모드로 변경하여,상기 다른 DC/DC 변환부의 입력 전압을 상기 특정 DC/DC 변환부의 출력 전압 대비 높게 설정하여 전력 전송 방향을 전환함으로써 상기 타겟 배터리 쪽으로 충전 전류를 유도하는, 배터리 충전 방법.
- 청구항 7에 있어서,상기 일반 모드에서는,상기 배터리 교환 스테이션 내 적어도 하나의 DC/DC 변환부를 벅(Buck) 모드로 실행하여, 상기 외부 전력을 균등하게 분배하여 출력하는, 배터리 충전 방법.
- 청구항 7에 있어서,상기 충전이 완료된 배터리가 존재할 경우, 상기 일반 모드로의 동작을 유지하여, 충전이 완료되지 않은 적어도 하나의 배터리를 충전하는 단계를 더 포함하는, 배터리 충전 방법.
- 청구항 7에 있어서,상기 배터리 교환 스테이션이 사전 설정된 휴지 시간에 도달할 경우, 방전 모드로 동작하는 단계를 더 포함하는, 배터리 충전 방법.
- 청구항 13에 있어서,상기 방전 모드로 동작하는 단계는상기 충전이 완료된 배터리가 존재하는지 여부를 확인하는 단계;상기 충전이 완료된 배터리가 존재할 경우, 상기 충전이 완료된 배터리를 제외한 적어도 하나의 배터리 중 충전 중인 배터리가 존재하는지의 여부를 확인하는 단계; 및상기 충전 중인 배터리가 존재하지 않을 경우, 상기 충전이 완료된 배터리를 배터리 드레인(Drain) 크기로 방전시키는 단계를 포함하는, 배터리 충전 방법.
- 청구항 14에 있어서,상기 배터리 드레인은 배터리에서 전류가 한번에 최대로 방전할 수 있는 전류의 크기인, 배터리 충전 방법.
- 청구항 14에 있어서,상기 충전이 완료된 배터리를 제외한 적어도 어느 하나의 배터리가 충전 중일 경우, 상기 충전이 완료된 배터리와 연결된 상기 배터리 교환 스테이션 내 DC/DC 변환부의 출력 전력 방향을 전환하고, 상기 충전 중인 적어도 하나의 배터리를 상기 일반 모드로 충전시키는 단계를 더 포함하는, 배터리 충전 방법.
- 청구항 14에 있어서,상기 충전이 완료된 배터리가 존재하지 않을 경우, 상기 일반 모드로의 동작하여 충전이 완료되지 않은 적어도 하나의 배터리를 충전하는 단계를 더 포함하는, 배터리 충전 방법.
- 청구항 7에 있어서,사용자에 의해 상기 충전이 완료된 배터리의 교체가 이뤄지면, 일반 모드로 전환하여 동작하는 단계를 더 포함하는, 배터리 충전 방법.
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