WO2017119697A1 - Chargeur de véhicule électrique - Google Patents

Chargeur de véhicule électrique Download PDF

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Publication number
WO2017119697A1
WO2017119697A1 PCT/KR2017/000050 KR2017000050W WO2017119697A1 WO 2017119697 A1 WO2017119697 A1 WO 2017119697A1 KR 2017000050 W KR2017000050 W KR 2017000050W WO 2017119697 A1 WO2017119697 A1 WO 2017119697A1
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WO
WIPO (PCT)
Prior art keywords
current
electric vehicle
charging
amount
module
Prior art date
Application number
PCT/KR2017/000050
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English (en)
Korean (ko)
Inventor
황호철
채호병
Original Assignee
(주)시그넷시스템
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 (주)시그넷시스템 filed Critical (주)시그넷시스템
Publication of WO2017119697A1 publication Critical patent/WO2017119697A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • 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
    • B60L50/64—Constructional details of batteries specially adapted for 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

Definitions

  • the present invention relates to an electric vehicle charger, and more particularly, to an electric vehicle charger for distributing electric power to charge a plurality of electric vehicles.
  • Electric vehicles are cars that use batteries and electric motors. These electric vehicles move the motor by rotating the electric motor with energy stored in the battery, and the electric vehicle charges the battery from an internal or external power source.
  • the electric vehicle is driven by a battery, and therefore, the battery must be recharged at any time, and thus an electric vehicle charging station is installed and operated.
  • an object of the present invention according to an aspect of the present invention is to provide an electric vehicle charger for charging a plurality of electric vehicles by efficiently distributing the power of the charger.
  • Another object of the present invention is to provide an electric vehicle charger which simultaneously charges a plurality of electric vehicles with one charger, thereby reducing the charging time for the plurality of electric vehicles and improving charging efficiency.
  • Still another object of the present invention is to provide an electric vehicle charger which continuously improves the operation rate of the charger by continuously operating a plurality of charging modules and increases the operation rate of the electric vehicle.
  • An electric vehicle charger includes a plurality of charging modules for supplying current to at least one electric vehicle; A charging current measuring unit measuring an amount of current supplied to the electric vehicle from the charging module; And a control module for distributing a current through the charging module according to the amount of current measured by the charging current measuring unit and supplying the current to the plurality of electric vehicles.
  • the control module of the present invention is characterized in that to distribute the current by independently controlling at least one or more of the charging module according to the amount of current measured by the charging current measuring unit.
  • the control module of the present invention is characterized in that to increase or decrease the current supplied to each of the electric vehicle from the charging module by the current capacity of the charging module.
  • the control module of the present invention detects an amount of supplyable current that can be supplied to the electric vehicle, and transmits it to the electric vehicle, which is received from the electric vehicle.
  • the at least one of the charging module is controlled according to the required current amount to distribute the current.
  • control module of the present invention is configured to independently distribute at least one of at least one of the charging modules.
  • the control module of the present invention is characterized in that to increase or decrease the current supplied to each of the electric vehicle from the charging module by the current capacity of the charging module.
  • the required current amount of the present invention is characterized by being less than the supplyable current amount.
  • the required current amount of the present invention may be detected based on the number of batteries in the battery device and the remaining charge of each battery.
  • the charging module of the present invention comprises a power source for storing power; And a switching module for supplying current supplied from the power source to any one of electric vehicles according to a control signal of the control module.
  • the switching module of the present invention is installed in a one-to-one correspondence with a coupler for transmitting electric power to an electric vehicle, characterized in that it comprises a plurality of switches to control the current supplied to each electric vehicle.
  • An electric vehicle charger includes a power source for storing power; And a switching module for supplying the current supplied from the power source to any one of the electric vehicles according to the control signal of the control module.
  • the switching module of the present invention is installed in a one-to-one correspondence with a coupler for transmitting electric power to an electric vehicle, characterized in that it comprises a plurality of switches to control the current supplied to each electric vehicle.
  • An electric vehicle charger includes a plurality of charging modules for supplying current to at least one electric vehicle; A charging current measuring unit measuring an amount of current supplied to the electric vehicle from the charging module; Detects the amount of current that can be supplied to the first electric vehicle according to the amount of current measured by the charging current measuring unit, and supplies the current to the first electric vehicle by controlling the charging module according to the required amount of current received from the first electric vehicle.
  • a first charging control unit outputting information on a charging module capable of supplying current among the charging modules; And whenever the first charging control unit receives information about the charging module capable of supplying current, the supplyable current amount is transmitted to the second electric vehicle, and the charging module is supplied according to the required current amount received from the second electric vehicle.
  • a second charging control unit which controls each of the two electric vehicles to supply a current of a required current amount to the second electric vehicle.
  • the first charging control unit of the present invention transmits information on the charging module capable of supplying the current to the second charging control unit whenever the amount of current measured by the charging current measuring unit reaches a preset set current amount. It features.
  • the first charging control unit of the present invention is characterized in that for reducing the current supplied to each of the electric vehicle from the charging module by the current capacity of the charging module.
  • the second charging control unit of the present invention is characterized by increasing the current supplied to each of the electric vehicle from the charging module by the current capacity of the charging module.
  • An electric vehicle charger efficiently distributes the power of a charger to charge a plurality of electric vehicles, and in particular, to charge a plurality of electric vehicles simultaneously with one charger to reduce the charging time for a plurality of electric vehicles. And the charging efficiency can be improved.
  • the electric vehicle charger may improve the operation rate of the charger by continuously operating a plurality of charging modules and increase the operation rate of the electric vehicle based on this.
  • FIG. 1 is a block diagram of an electric vehicle charger according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of a battery device according to an embodiment of the present invention.
  • FIG. 3 is a block diagram of a charger according to an embodiment of the present invention.
  • FIG. 4 is a block diagram of a charging module according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating a current distribution section according to an embodiment of the present invention.
  • FIG. 6 is a view showing a change in the charging current according to an embodiment of the present invention.
  • FIG. 7 is a block diagram showing another example of a control module according to an embodiment of the present invention.
  • FIG. 1 is a block diagram of an electric vehicle charger according to an embodiment of the present invention
  • Figure 2 is a block diagram of a battery device according to an embodiment of the present invention
  • Figure 3 is according to an embodiment of the present invention 4 is a block diagram of a charger
  • FIG. 4 is a block diagram of a charging module according to an embodiment of the present invention
  • FIG. 5 is a diagram showing a current distribution section according to an embodiment of the present invention
  • FIG. 2 is a view illustrating a change in charging current according to an embodiment of the present invention.
  • an electric vehicle charger 10 (hereinafter, simply referred to as a “charger”) according to an embodiment of the present invention may be connected to a plurality of battery devices 20.
  • Each of the battery devices 20 is installed inside the electric vehicle.
  • the charger 10 supplies electric current to each electric vehicle to charge the electric vehicle.
  • the electric vehicle charger 10 may be connected to a plurality of electric vehicles, and distributes the current within the range of the maximum supplyable current to supply to each electric vehicle.
  • the battery device 20 is installed inside the electric vehicle and electrically connected to the charger 10, receives the supplyable current amount from the charger 10 through bidirectional communication with the charger 10, and based on the supplyable current amount, After detecting, the detected required current amount is transmitted to the charger 10.
  • the required current amount is a current amount required by the battery device 20 to the charger 10, and may be set to a supply current amount or less.
  • the required current amount may be variously detected to be equal to or less than the supplyable current amount based on the number of batteries 21 in the battery device 20 and the remaining charge amount of each battery 21.
  • the battery device 20 includes a battery 21 and a battery controller 22.
  • the battery 21 is provided in plural and stores the power supplied from the charger 10.
  • the battery controller 22 When the battery controller 22 is electrically connected to the charger 10, the battery controller 22 performs bidirectional communication with the charger 10.
  • the battery controller 22 receives the supplyable current amount from the charger 10, and detects the required current amount to be requested to the charger 10 based on the supplyable current amount.
  • the battery controller 22 detects the required current amount to be equal to or lower than the supplyable current amount, and may detect various amounts below the supplyable current amount based on the number of batteries 21 and the remaining charge amount of each of the batteries 21.
  • the battery controller 22 transmits the detected required current amount to the charger 10 to request battery charging.
  • the battery controller 22 checks whether the current of the required current amount is supplied by measuring the amount of current supplied from the charger 10, and stores this current in the battery ( 21 to charge the battery 21, respectively.
  • the charger 10 includes a charging module 11, a charging current measuring unit 12, and a control module 13.
  • the charging module 11 is provided with a plurality, each of which supplies a current to the battery device 20 of the electric vehicle. For example, when five charging modules 11 are provided and each current capacity is 40A, the maximum supplyable current that can be supplied through the charging module 11 is 200A (5 ⁇ 40A).
  • Each charging module 11 is independently controlled by the control module 13, through which the current supplied to the battery device 20 can be adjusted by 40A within the range of the maximum supplyable current.
  • the charging module 11 includes a power source 111 and a switching module 112.
  • the power source 111 stores power.
  • the switching module 112 is connected to each of the electric vehicles through a coupler, and supplies the current supplied from the power source 111 to any one of the electric vehicles.
  • the switching module 112 includes a first switch 113 and a second switch 114.
  • the connection with two electric vehicles has been described as an example, and thus the switching module 112 includes the first switch 113 and the second switch 114 as an example.
  • the technical scope of the present invention is not limited thereto, and a plurality of switches may be further provided according to the number of connectable electric vehicles.
  • Each of the first switch 113 and the second switch 114 is connected to the power source 111 to interrupt the current supplied to each of the electric vehicles, thereby transferring the current of the power source 111 to any one of the electric vehicles. That is, the first switch 113 is connected one-to-one with the electric vehicle, and the second switch 114 is one-to-one with the other electric vehicle.
  • the current of the power source 111 is supplied through the first switch 113
  • the current of the power source 111 is supplied through the second switch 114.
  • the current is supplied to any one of the two electric vehicles according to whether the first switch 113 and the second switch 114 are turned on or off.
  • the charging current measuring unit 12 measures the current supplied to each of the electric vehicles through the charging module 11. For example, when one electric vehicle is connected to the charging module 11, the charging current measuring unit 12 measures the current supplied to the electric vehicle, and two electric vehicles are connected to the charging module 11. In addition, all currents supplied to each electric vehicle are measured.
  • the control module 13 distributes the current through the charging module 11 according to the amount of current measured by the charging current measuring unit 12 and supplies each of the plurality of electric vehicles.
  • the control module 13 when the electric vehicle is connected to any one of the couplers, the control module 13 includes at least one of whether the charging module 11 is operated, the charging amount of the charging module 11, and the voltage and current capacity of the charging module 11. After detecting the supplyable current amount that can be supplied to the electric vehicle according to one or more, the supplyable current amount is transmitted to the battery device 20.
  • the battery controller 22 of the battery device 20 receives the supplyable current amount from the charger 10, and detects the required current amount to be requested by the charger 10 based on the supplyable current amount.
  • the battery controller 22 detects the required current amount to be equal to or lower than the supplyable current amount, and transfers the detected required current amount to the charger 10.
  • control module 13 controls the charging module 11 to supply the current of the required current amount to the battery device 20, and the battery control unit 22 is a battery with the current supplied from the charger 10. Charge 21.
  • the control module 13 when the electric vehicle is connected, the control module 13 provides the maximum supplyable current to the electric vehicle. For example, when five charging modules 11 are provided and each supplies 40A, the maximum supplyable current amount at this time is within 200A.
  • the control module 13 charges the electric vehicle at 200 A when the first electric vehicle is connected, and this process is performed when the charging rate of the electric vehicle reaches 80% (about 30% of the total charging time). Lasts until. Then, the charging current gradually decreases according to the charging amount of the battery 21, and the charging rate of the battery 21 reaches 100%.
  • the control module 13 when the electric vehicle is connected to the remaining coupler, in the section in which the charging current is reduced (hatched section), the control module 13 according to the amount of current measured by the corresponding charging current measuring unit 12 ( 11) Supply currents output from at least one of them to different electric vehicles.
  • the control module 13 gradually transfers the surplus current, that is, at least one or more currents of the five charging modules 11 to another newly connected electric vehicle. Supply.
  • control module 13 controls the charging module 11 to increase or decrease the current supplied from the charging module 11 to each of the electric vehicles step by step according to the preset current capacity of the charging module 11. .
  • control module 13 controls the charging module 11 independently to distribute the current, so that the amount of current supplied to each electric vehicle increases or decreases the current by the current capacity of the charging module 11.
  • the first switch 113 when the first switch 113 is turned on and the second switch 114 is turned off, the current of the power source 111 is supplied through the first switch 113, and the first switch 113 is turned on. When it is off and the second switch 114 is turned on, the current of the power source 111 is supplied through the second switch 114.
  • control module 13 turns on and off each of the first switch 113 and the second switch 114 of each of the charging modules 11, so that each charging module 11 has a current in any one of the two electric vehicles. To be supplied. This controls the amount of current supplied to each of the two electric vehicles.
  • the two electric vehicles will be described as being divided into a first electric vehicle and a second electric vehicle.
  • control module 13 turns on the first switch 113 of each charging module 11 and turns off the second switch 114 to supply 200 A of current to the first electric vehicle. do.
  • first charging current the current supplied to the first electric vehicle
  • control module 13 controls any one or more of the five charging modules 11 to supply the current to the second electric vehicle.
  • discharge charging current is supplied stepwise. This process is performed until the charging for the first electric vehicle is completed.
  • the control module 13 supplies 40 A current to the second electric vehicle when supplying 160 A of current to the first electric vehicle, and 80 A current to the second electric vehicle when supplying 120 A of current to the first electric vehicle.
  • 80 A current to the second electric vehicle when supplying a current of 80A to the first electric vehicle supplies a current of 120A to the second electric vehicle, and supplying a current of 160A to the second electric vehicle when supplying a current of 40A to the first electric vehicle.
  • a current of 200 A is supplied only to the second electric vehicle.
  • the control module 13 includes the first electric vehicle and the first electric vehicle. 2
  • the amount of current that can be supplied to the electric vehicle is detected respectively, and at least one of the charging modules 11 is controlled according to the required amount of current received from the electric vehicle to distribute the current.
  • the battery device 20 of the first electric vehicle is 160A, 120A, 80A.
  • the battery device 20 of the second electric vehicle detects the required amount of current of 40A, 80A, 120A, and 160A, respectively, and deliver it to the control module 13. do.
  • control module 13 supplies a current of 160 A to the first electric vehicle as described above, according to the required current amount received from each of the battery device 20 of the first electric vehicle and the second electric vehicle. 2
  • supplying a current of 40A to the electric vehicle supplying a current of 120A to the first electric vehicle, supplying a current of 80A to the second electric vehicle, and supplying a current of 80A to the first electric vehicle to the second electric vehicle
  • one control module 13 controls each charging module 11 as an example, but the technical scope of the present invention is not limited thereto, and the number of accessible electric vehicles is limited. Accordingly, a plurality of controllers may be provided inside the charger 10.
  • the charger 10 when two electric vehicles are connectable as in the above-described embodiment, the charger 10 includes a first charging control unit 131 and a first charging unit as shown in FIG. 7 to control charging of each electric vehicle. 2, the charging control unit 132 may be provided, and the first charging control unit 131 may control charging of the first electric vehicle, and the second charging control unit 132 may control charging of the second electric vehicle.
  • control module 13 According to an embodiment of the present invention will be described with reference to FIG. 7.
  • FIG. 7 is a block diagram showing another example of a control module according to an embodiment of the present invention.
  • the control module 13 includes a first charging control unit 131 and a second charging control unit 132, and the first charging control unit 131 controls charging of the first electric vehicle, The second charging control unit 132 controls the charging of the second electric vehicle.
  • the first charging control unit 131 gradually decreases its charging current in the charging process so that each time it reaches a predetermined set current amount, for example, 190A, 150A, 110A, 70A, the first charge control unit 131 can supply the current to the first electric vehicle. Detects and controls at least one or more of the charging module 11 according to the required amount of current received from the first electric vehicle to supply the current of 160A, 120A, 80A and 40A to the first electric vehicle, respectively. To this end, the first charging control unit 131 gradually turns off the first switch 113 of each charging module 11.
  • a predetermined set current amount for example, 190A, 150A, 110A, 70A
  • the first charging control unit 131 transmits information on the charging module 11 capable of supplying current to the second charging control unit 132. do.
  • the second charging control unit 132 Whenever information about the charging module 11 capable of supplying current is received, the second charging control unit 132 delivers a supplyable current that can be supplied to the second electric vehicle to the second electric vehicle. That is, the second charging control unit 132 may deliver the supplyable current amounts of 40A, 80A, 120A, 160A, and 200A to the second electric vehicle step by step whenever the preset set current amount is reached.
  • the second electric vehicle transfers the required current amounts of 40A, 80A, 120A, 160A, and 200A to the second charging control unit 132 step by step. .
  • the second charging control unit 132 is provided with the second switch 114 provided in the switching module 112 of each charging module 11, respectively. ) Are respectively supplied to the second electric vehicle with currents of 40 A, 80 A, 120 A, 160 A, and 200 A, respectively.
  • the electric vehicle charger 10 efficiently distributes the power of the charger 10 to charge a plurality of electric vehicles, and in particular, to charge a plurality of electric vehicles simultaneously with one charger 10. By reducing the charging time for a plurality of electric vehicles to improve the charging efficiency, it is possible to increase the operation rate of the electric vehicle based on this.

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

Abstract

La présente invention comprend : une pluralité de modules de charge pour apporter un courant à au moins un véhicule électrique ; une unité de mesure de courant de charge pour mesurer une quantité de courant apportée depuis les modules de charge au véhicule électrique ; et un module de commande distribuant le courant par le biais de modules de charge en fonction de la quantité de courant mesurée par l'unité de mesure de courant de charge, de façon à apporter le courant à chaque véhicule d'une pluralité de véhicules électriques.
PCT/KR2017/000050 2016-01-05 2017-01-03 Chargeur de véhicule électrique WO2017119697A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20160001261 2016-01-05
KR10-2016-0001261 2016-01-05

Publications (1)

Publication Number Publication Date
WO2017119697A1 true WO2017119697A1 (fr) 2017-07-13

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PCT/KR2017/000050 WO2017119697A1 (fr) 2016-01-05 2017-01-03 Chargeur de véhicule électrique

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WO (1) WO2017119697A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120113084A (ko) * 2011-04-04 2012-10-12 이엔테크놀로지 주식회사 전기자동차 충전을 위한 시스템
JP2014527393A (ja) * 2011-09-02 2014-10-09 テスラ モーターズ，インコーポレーテッド 可変電力分配を用いる車両用マルチポートｄｃ充電システム
KR20140142598A (ko) * 2013-06-04 2014-12-12 중앙제어 주식회사 멀티채널방식의 전기자동차 충전시스템
WO2015084385A1 (fr) * 2013-12-06 2015-06-11 Schneider Electric USA, Inc. Gestion d'énergie de dérivation pour evse multiples
JP2015133869A (ja) * 2014-01-15 2015-07-23 株式会社豊田自動織機 充電システム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120113084A (ko) * 2011-04-04 2012-10-12 이엔테크놀로지 주식회사 전기자동차 충전을 위한 시스템
JP2014527393A (ja) * 2011-09-02 2014-10-09 テスラ モーターズ，インコーポレーテッド 可変電力分配を用いる車両用マルチポートｄｃ充電システム
KR20140142598A (ko) * 2013-06-04 2014-12-12 중앙제어 주식회사 멀티채널방식의 전기자동차 충전시스템
WO2015084385A1 (fr) * 2013-12-06 2015-06-11 Schneider Electric USA, Inc. Gestion d'énergie de dérivation pour evse multiples
JP2015133869A (ja) * 2014-01-15 2015-07-23 株式会社豊田自動織機 充電システム

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