KR20220006020A - Apparatus for calculating charging charges for electric vehicle using advanced metering infrastructure - Google Patents

Apparatus for calculating charging charges for electric vehicle using advanced metering infrastructure Download PDF

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KR20220006020A
KR20220006020A KR1020210158542A KR20210158542A KR20220006020A KR 20220006020 A KR20220006020 A KR 20220006020A KR 1020210158542 A KR1020210158542 A KR 1020210158542A KR 20210158542 A KR20210158542 A KR 20210158542A KR 20220006020 A KR20220006020 A KR 20220006020A
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electric vehicle
charging
smart meter
ami
application system
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KR1020210158542A
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Korean (ko)
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KR102362372B1 (en
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명노길
임재용
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한국전력공사
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/30—Transportation; Communications
    • G06Q50/40—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/18—Cables specially adapted for charging electric vehicles
    • 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
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/305—Communication interfaces
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B60L53/665—Methods related to measuring, billing or payment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061—Details of electronic electricity meters
    • G01R22/063—Details of electronic electricity meters related to remote communication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Electricity, gas or water supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • 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
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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
    • 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
    • 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
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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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
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    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
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Abstract

The present invention relates to an electric vehicle charging fee calculation device using an intelligent power metering infrastructure comprising: a plug to which a mobile charging device for charging an electric vehicle is connected; a smart meter that measures an amount of electricity used for charging the electric vehicle; a gateway that transmits the electricity usage amount information for charging the electric vehicle to an advanced metering infrastructure (AMI) application system; and an AMI application system that calculates a fee of a customer using the electricity usage amount information for charging the electric vehicle received through the gateway. Therefore, the present invention is capable of allowing the electric vehicle charging fee to be added to the electricity fee of the customer, or allowing the electric vehicle charging fee to be deducted from the electricity fee of the customer.

Description

지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 장치{APPARATUS FOR CALCULATING CHARGING CHARGES FOR ELECTRIC VEHICLE USING ADVANCED METERING INFRASTRUCTURE}Electric vehicle charging rate calculation device using intelligent electricity metering infrastructure

본 발명은 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 장치에 관한 것으로, 보다 상세하게는 기 구축된 지능형 전력계량 인프라(AMI : Advanced Metering Infrastructure)를 이용하여, 전기차 충전 시, 전기차가 충전한 전력량을 이동식 충전기에서 계량한 후 스마트미터나 AMI 게이트웨이를 통해서 AMI 시스템에 전달하면 AMI 시스템에서 충전요금을 산정하여, 해당 고객의 전기요금에 전기차 충전요금을 추가하여 부과하거나, 해당 고객의 전기요금에서 전기차 충전요금을 차감하여 부과할 수 있도록 하는, 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 장치에 관한 것이다.The present invention relates to an electric vehicle charging rate calculation device using an intelligent electric power metering infrastructure, and more particularly, by using a pre-established intelligent electric metering infrastructure (AMI: Advanced Metering Infrastructure), when charging an electric vehicle, the amount of electric power charged by the electric vehicle is measured If the mobile charger measures and transmits it to the AMI system through a smart meter or AMI gateway, the AMI system calculates the charging rate and charges the electric vehicle by adding the electric vehicle charging rate to the customer's electricity rate, or charging the electric vehicle from the customer's electricity rate It relates to an electric vehicle charging rate calculation device using an intelligent power metering infrastructure, which enables charging by deducting a fee.

일반적인 자동차는 석유를 엔진의 구동을 위한 연료로 사용한다. 자동차를 이용하기 위해 석유를 연료로 이용하는 경우에는 석유를 소비하는 과정에서 환경오염의 문제가 발생하고, 지구상에 매장된 석유자원의 고갈과 친환경 규제 강화로 다른 연료를 사용하는 자동차의 개발이 요구되었다.A typical automobile uses petroleum as a fuel to drive an engine. In the case of using petroleum as a fuel for automobiles, there is a problem of environmental pollution in the process of consuming oil, and the depletion of petroleum resources on earth and the strengthening of eco-friendly regulations have required the development of automobiles that use other fuels. .

현재 세계 각국에서 개발되고 있는 전기자동차에는 순수 전기자동차와 전동기와 엔진을 함께 이용하는 하이브리드 전기 자동차 및 연료전지 전기 자동차 등이 있다. 특히, 플러그인 하이브리드 전기자동차와 순수 전기 자동차는 차량 내부에 구비된 고압배터리로부터 구동에 필요한 전력을 공급받는 전기자동차이다.Electric vehicles currently being developed in countries around the world include pure electric vehicles, hybrid electric vehicles using both an electric motor and an engine, and fuel cell electric vehicles. In particular, the plug-in hybrid electric vehicle and the pure electric vehicle are electric vehicles that receive power required for driving from a high-voltage battery provided inside the vehicle.

이러한, 전기자동차는 외부로부터 전력에너지를 공급할 수 있는 공급수단이 필요하다. 즉, 가정, 충전소, 회사 등에서 전기자동차의 충전을 위한 충전장치를 필요로 한다. 하지만, 전기차를 충전하기 위해서는 고속도로, 공공기관, 아파트 등에 별도 시설로 구축된 고정식 충전설비를 이용해야 하는 문제점이 있다. Such an electric vehicle requires a supply means capable of supplying electric power energy from the outside. That is, a charging device for charging an electric vehicle is required at home, charging station, company, and the like. However, there is a problem in that it is necessary to use a fixed charging facility built as a separate facility in a highway, public institution, apartment, etc. to charge an electric vehicle.

이에 따라 향후 폭발적인 전기차 보급을 가정할 경우 막대한 비용을 들여 고정식 전기차 충전 인프라를 구축하기보다 이미 전력 사업자(예 : 한국전력)가 구축한 AMI 인프라를 활용해서 스마트미터가 설치된 일반 가정이나 회사에서 누구나 전기차를 충전하고, 전기차 충전요금을 고려하여 해당 고객의 전기요금을 산정할 수 있는 방법이 필요한 상황이다.Accordingly, assuming the explosive distribution of electric vehicles in the future, anyone can use the AMI infrastructure already built by electric power providers (eg, KEPCO) to build electric vehicles at home or in companies that have smart meters installed, rather than building a fixed electric vehicle charging infrastructure at huge costs. There is a need for a method to charge the electric vehicle and calculate the electric bill of the customer in consideration of the electric vehicle charging rate.

본 발명의 배경기술은 대한민국 공개특허 10-2019-0021596호(2019.03.06. 공개, 지능형 전력계량 인프라와 연계하여 전기차량의 가정용 AC 전원 충전 식 과금 서비스를 제공하는 완속충전 케이블 및 이를 이용한 과금 서비스 제공방법)에 개시되어 있다. The background technology of the present invention is disclosed in Republic of Korea Patent Publication No. 10-2019-0021596 (published on March 6, 2019, a slow charging cable that provides a home AC power charging charging service for electric vehicles in connection with intelligent power metering infrastructure, and a charging service using the same provided method).

본 발명의 일 측면에 따르면, 본 발명은 상기와 같은 문제점을 해결하기 위해 창작된 것으로서, 기 구축된 지능형 전력계량 인프라(AMI)를 이용하여, 전기차 충전 시, 전기차가 충전한 전력량을 이동식 충전기에서 계량한 후 스마트미터나 AMI 게이트웨이를 통해서 AMI 시스템에 전달하면 AMI 시스템에서 충전요금을 산정하여, 해당 고객의 전기요금에 전기차 충전요금을 추가하여 부과하거나, 해당 고객의 전기요금에서 전기차 충전요금을 차감하여 부과할 수 있도록 하는, 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 장치를 제공하는 데 그 목적이 있다. According to one aspect of the present invention, the present invention was created to solve the above problems, and by using a pre-established intelligent power metering infrastructure (AMI), when charging an electric vehicle, the amount of electricity charged by the electric vehicle is transferred to the mobile charger. If the meter is measured and delivered to the AMI system through a smart meter or AMI gateway, the AMI system calculates the charging rate and charges the electric vehicle by adding the electric vehicle charging rate to the customer's electricity rate, or deducting the electric vehicle charging rate from the customer's electricity rate An object of the present invention is to provide an electric vehicle charging fee calculation device using an intelligent power metering infrastructure that allows the user to charge the electric vehicle by

본 발명의 일 측면에 따른 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 장치는, 전기차 충전을 위한 이동식 충전장치가 연결되는 플러그; 전기차 충전용 전기 사용량을 측정하는 스마트미터; 전기차 충전용 전기 사용량 정보를 AMI(Advanced Metering Infrastructure) 응용 시스템에 전달하는 게이트웨이; 및 상기 게이트웨이를 통해 전달받은 전기차 충전용 전기 사용량 정보를 이용하여 고객의 요금을 산정하는 AMI 응용 시스템;을 포함하는 것을 특징으로 한다.According to an aspect of the present invention, there is provided an electric vehicle charging rate calculation device using an intelligent power metering infrastructure, comprising: a plug to which a mobile charging device for electric vehicle charging is connected; A smart meter that measures the amount of electricity used to charge electric vehicles; a gateway that transmits electricity usage information for charging an electric vehicle to an AMI (Advanced Metering Infrastructure) application system; and an AMI application system that calculates a customer's charge using the electric vehicle charging electricity usage information received through the gateway.

본 발명에 있어서, 상기 AMI 응용 시스템은, 전기차 인증 정보를 이용한 전기차 인증, 전기차 충전용 전기 사용량에 해당하는 요금 정산, 암호화, 및 스마트미터 관리 기능을 수행하는 복수의 서버를 포함하는 것을 특징으로 한다.In the present invention, the AMI application system is characterized in that it includes a plurality of servers that perform electric vehicle authentication using electric vehicle authentication information, fee settlement corresponding to electric consumption for electric vehicle charging, encryption, and smart meter management functions. .

본 발명에 있어서, 상기 전기차와 상기 스마트미터는 유무선 통신으로 연결되며, 상기 스마트미터와 상기 게이트웨이는 AMI용 근거리 유무선 통신으로 연결되고, 상기 게이트웨이와 상기 AMI 응용 시스템은 AMI용 백홀 통신으로 연결되는 것을 특징으로 한다.In the present invention, the electric vehicle and the smart meter are connected through wired/wireless communication, the smart meter and the gateway are connected through short-distance wired/wireless communication for AMI, and the gateway and the AMI application system are connected through backhaul communication for AMI. characterized.

본 발명에 있어서, 상기 이동식 충전장치는, 전기차 인증 정보 및 전기차 충전용 전기 사용량을 상기 스마트미터를 통해 상기 AMI 응용 시스템에 전송하고, 상기 AMI 응용 시스템으로부터 충전 시작 명령을 받아 전기차의 충전을 시작하는 것을 특징으로 한다.In the present invention, the mobile charging device transmits electric vehicle authentication information and electric vehicle charging electricity usage to the AMI application system through the smart meter, and receives a charging start command from the AMI application system to start charging the electric vehicle characterized in that

본 발명에 있어서, 상기 이동식 충전장치는, 전기차를 충전시키기 위하여, 플러그에 연결된 충전 케이블을 통해 입력되는 교류 전원을 직류 전원으로 변환하는 컨버터; 상기 입력되는 교류 전원의 사용량을 계량하는 계량부; 및 상기 컨버터와 통신부의 동작을 제어하며, 상기 계량부에서 계량한 교류 전원의 사용량을 상기 통신부를 통해 상기 스마트미터에 전달하며, 또한 인증을 위한 통신을 수행하는 제어부;를 포함하는 것을 특징으로 한다.In the present invention, the mobile charging device comprises: a converter for converting AC power input through a charging cable connected to a plug into DC power to charge an electric vehicle; a metering unit for measuring the amount of use of the input AC power; and a control unit that controls the operation of the converter and the communication unit, transmits the amount of AC power measured by the metering unit to the smart meter through the communication unit, and performs communication for authentication. .

본 발명의 다른 측면에 따른 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 방법은, 전기차가 이동식 충전장치를 통해 플러그에 연결되면, 이동식 충전장치가 지정된 유무선 통신 방식을 이용하여 전기차의 인증 정보와 충전요청 메시지를 스마트미터로 전송하는 단계; 상기 스마트미터가 내부의 통신모뎀을 이용해서 상기 인증 정보와 충전요청 메시지를 게이트웨이로 전송하는 단계; 상기 게이트웨이가 수신한 상기 전기차의 인증 정보와 충전요청 메시지에 상기 스마트미터 ID를 결합하여 AMI 백홀 통신망을 이용해서 상기 AMI 응용시스템으로 전송하는 단계; 상기 AMI 응용시스템이 해당 전기차의 인증 정보에 대한 정상적인 인증이 완료되면 그 결과와 충전 시작 명령을 게이트웨이 및 상기 스마트미터를 통해서 상기 전기차에 응답하는 단계; 상기 이동식 충전장치의 제어부가 상기 전기차의 인증 정보가 검증된 후 충전 시작 명령에 따라 전기차의 충전을 시작하는 단계; 상기 전기차의 충전을 시작함에 따라 이동식 충전장치가 전기차 충전용 전기 사용량을 누적 계량하는 단계; 상기 전기차의 충전이 완료되거나 중단되는 경우, 상기 이동식 충전장치의 제어부가 상기 스마트미터에 충전 종료 메시지와 계량된 전기차 충전용 전기 사용량 정보를 전송하는 단계; 상기 게이트웨이가 상기 스마트미터로부터 상기 전기차 충전용 전기 사용량 정보를 수신하여 상기 AMI 응용시스템으로 전송하는 단계; 및 상기 AMI 응용시스템이 전기차의 인증 정보를 이용해서 해당 전기차의 고객 정보를 전력 사업자의 고객 정보에서 파악하고, 상기 전기차 충전용 전기 사용량 정보에 대응하는 요금을 상기 파악한 고객 정보의 월 전기사용 요금에 추가가 부과하는 방식으로 요금을 정산하는 단계;를 포함하는 것을 특징으로 한다.According to another aspect of the present invention, in the method for calculating electric vehicle charging rates using intelligent power metering infrastructure, when an electric vehicle is connected to a plug through a mobile charging device, the mobile charging device uses a designated wired/wireless communication method to obtain authentication information and charging request of the electric vehicle. sending a message to the smart meter; transmitting, by the smart meter, the authentication information and the charging request message to a gateway using an internal communication modem; combining the smart meter ID with the authentication information of the electric vehicle and the charging request message received by the gateway and transmitting it to the AMI application system using an AMI backhaul communication network; when the AMI application system completes normal authentication for the authentication information of the corresponding electric vehicle, responding to the electric vehicle through a gateway and the smart meter with a result and a charging start command; starting, by the control unit of the mobile charging device, charging of the electric vehicle according to a charging start command after the authentication information of the electric vehicle is verified; accumulatively metering, by the mobile charging device, the amount of electricity used for charging the electric vehicle as the electric vehicle is charged; transmitting, by the control unit of the mobile charging device, a charging end message and metered electricity usage information for charging the electric vehicle to the smart meter when the charging of the electric vehicle is completed or stopped; receiving, by the gateway, the electricity usage information for charging the electric vehicle from the smart meter and transmitting the information to the AMI application system; and the AMI application system uses the authentication information of the electric vehicle to determine the customer information of the electric vehicle from the customer information of the electric power company, and calculates the charge corresponding to the electric consumption information for charging the electric vehicle to the monthly electricity use rate of the identified customer information. It characterized in that it includes; the step of setting the fee in a way that the additional charge is charged.

본 발명에 있어서, 상기 스마트미터의 해당 고객과 상기 전기차의 해당 고객이 다른 경우, 상기 AMI 응용시스템은 상기 스마트미터의 해당 고객에 대한 월 전기사용 요금에서 전기차 충전용 전기 사용량에 해당하는 요금을 차감하는 것을 특징으로 한다.In the present invention, when the corresponding customer of the smart meter and the corresponding customer of the electric vehicle are different, the AMI application system deducts a charge corresponding to the electric consumption for charging the electric vehicle from the monthly electricity use fee for the corresponding customer of the smart meter characterized in that

본 발명에 있어서, 상기 스마트미터가 내부의 통신모뎀을 이용해서 상기 인증 정보와 충전요청 메시지를 게이트웨이로 전송하는 단계에서, 상기 스마트미터가 상기 전기차로부터 수신한 인증 정보와 충전요청 메시지에 자신의 스마트미터 ID를 결합하여 상기 게이트웨이로 전송 가능한 것을 특징으로 한다.In the present invention, in the step of the smart meter transmitting the authentication information and the charging request message to the gateway using an internal communication modem, the smart meter responds to the authentication information and the charging request message received from the electric vehicle in its own smart It is characterized in that it can be transmitted to the gateway by combining the meter ID.

본 발명에 있어서, 상기 전기차의 충전이 완료되거나 중단되는 경우, 다른 이동식 충전장치나 동일한 이동식 충전장치를 사용하여 다시 충전을 시작하기 위해서는 다시 전기차 인증을 수행하는 단계;를 더 포함하는 것을 특징으로 한다.In the present invention, when the charging of the electric vehicle is completed or stopped, performing the electric vehicle authentication again in order to start charging again using another mobile charging device or the same mobile charging device; .

본 발명의 일 측면에 따르면, 본 발명은 기 구축된 지능형 전력계량 인프라(AMI)를 이용하여, 전기차 충전 시, 전기차가 충전한 전력량을 이동식 충전기에서 계량한 후 스마트미터나 AMI 게이트웨이를 통해서 AMI 시스템에 전달하면 AMI 시스템에서 충전요금을 산정하여, 해당 고객의 전기요금에 전기차 충전요금을 추가하여 부과하거나, 해당 고객의 전기요금에서 전기차 충전요금을 차감하여 부과할 수 있도록 한다.According to one aspect of the present invention, the present invention uses a pre-established intelligent power metering infrastructure (AMI) to measure the amount of power charged by the electric vehicle at the time of charging an electric vehicle in a mobile charger, and then uses a smart meter or an AMI gateway to provide an AMI system. The AMI system calculates the charging rate and charges it by adding the electric vehicle charging rate to the customer's electricity rate or deducting the electric vehicle charging rate from the customer's electricity rate.

도 1은 본 발명의 일 실시예에 따른 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 장치의 개략적인 구성을 보인 예시도.
도 2는 상기 도 1에 있어서, 전기차에 연결되는 이동식 충전장치의 개략적인 구성을 보인 예시도.
도 3은 본 발명의 일 실시예에 따른 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 방법을 설명하기 위한 흐름도.
도 4는 상기 도 3에 있어서, 스마트미터를 경유하여 전기차를 인증하는 방법을 설명하기 위한 예시도.
도 5는 상기 도 3에 있어서, 스마트미터를 경유하여 전기차 충전 요금을 정산하는 방법을 설명하기 위한 예시도.1 is an exemplary diagram showing a schematic configuration of an electric vehicle charging rate calculating device using an intelligent power metering infrastructure according to an embodiment of the present invention.
FIG. 2 is an exemplary view showing a schematic configuration of a mobile charging device connected to an electric vehicle in FIG. 1 .
3 is a flowchart illustrating a method of calculating an electric vehicle charging fee using an intelligent power metering infrastructure according to an embodiment of the present invention.
4 is an exemplary diagram for explaining a method of authenticating an electric vehicle via a smart meter in FIG. 3 .
FIG. 5 is an exemplary diagram for explaining a method of calculating an electric vehicle charging fee via a smart meter in FIG. 3 .

이하, 첨부된 도면을 참조하여 본 발명에 따른 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 장치 및 방법의 일 실시예를 설명한다. Hereinafter, an embodiment of an apparatus and method for calculating an electric vehicle charging fee using an intelligent power metering infrastructure according to the present invention will be described with reference to the accompanying drawings.

이 과정에서 도면에 도시된 선들의 두께나 구성요소의 크기 등은 설명의 명료성과 편의상 과장되게 도시되어 있을 수 있다. 또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로서 이는 사용자, 운용자의 의도 또는 관례에 따라 달라질 수 있다. 그러므로 이러한 용어들에 대한 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of the user or operator. Therefore, definitions of these terms should be made based on the content throughout this specification.

도 1은 본 발명의 일 실시예에 따른 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 장치의 개략적인 구성을 보인 예시도이다.1 is an exemplary diagram illustrating a schematic configuration of an electric vehicle charging rate calculating device using an intelligent power metering infrastructure according to an embodiment of the present invention.

도 1에 도시된 바와 같이, 본 실시예에 따른 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 장치는, 전기차(110)의 충전을 위한 이동식 충전장치(200)가 연결되는 플러그(120)(예 : 220V 교류 전원단자), 전기 사용량을 측정하는 스마트미터(130), 스마트미터(130)에서 측정한 전기 사용량(즉, 전기차 충전용 전기 사용량) 정보를 AMI 응용 시스템(150)에 전달하는 게이트웨이(140), 및 게이트웨이(140)를 통해 전달받은 전기 사용량(즉, 전기차 충전용 전기 사용량) 정보를 이용하여 고객의 요금을 산정하는 AMI 응용 시스템(150)를 포함한다.As shown in FIG. 1 , the electric vehicle charging rate calculation device using the intelligent power metering infrastructure according to the present embodiment includes a plug 120 (eg: 220V AC power terminal), the smart meter 130 that measures electricity usage, and the gateway 140 that transmits the electricity usage measured by the smart meter 130 (ie, electricity usage for charging electric vehicles) to the AMI application system 150 ), and the AMI application system 150 for calculating the customer's fee using the electricity consumption (ie, electricity consumption for charging an electric vehicle) information transmitted through the gateway 140 .

이 때 상기 AMI 응용 시스템(150)은 요금 정산, 암호화, 및 스마트미터 관리 등을 위한 복수의 서버(예 : 빌링(Billing) 서버, MDMS(Meter Data Management System) 서버, PKI(Public Key Interface) 서버, AMI HE 등)를 포함한다. At this time, the AMI application system 150 includes a plurality of servers (eg, a billing server, a meter data management system (MDMS) server, a public key interface (PKI) server for billing, encryption, and smart meter management. , AMI HE, etc.).

상기 전기차(110)는 지능형 전력계량 인프라(AMI)와 상호인증을 통해 식별할 수 있는 기능을 포함한다. The electric vehicle 110 includes a function that can be identified through an intelligent power metering infrastructure (AMI) and mutual authentication.

즉, 상기 전기차(110)와 상기 지능형 전력계량 인프라(AMI)간의 상호인증을 통해 서로 간에 적법하게 연결할 수 있는 객체인지 확인하고, 요금 정산을 시행하기 위함이다. 이 때 상기 전기차(110)와 상기 지능형 전력계량 인프라(AMI)간의 식별방법은 적어도 사전 공유된 ID(즉, 전기차 ID) 또는 인증서를 이용할 수 있다. 여기서 상기 사전 공유된 ID는 적어도 자동차 번호를 포함하여 구성하며, 상기 인증서는 X509 V3 기반의 인증서를 사용한다. That is, through mutual authentication between the electric vehicle 110 and the intelligent power metering infrastructure (AMI), the purpose is to check whether an object can be legally connected to each other, and to perform charge settlement. In this case, the identification method between the electric vehicle 110 and the intelligent electricity metering infrastructure (AMI) may use at least a pre-shared ID (ie, electric vehicle ID) or a certificate. Here, the pre-shared ID includes at least a car number, and the certificate uses an X509 V3-based certificate.

또한 사전 공유된 ID(즉, 전기차 ID)는 사전에 AMI 응용시스템(150)의 PKI 서버에 등록되며, 상기 PKI 서버는 전기차의 인증서를 서명 검증하기 위해서 필요한 CA(Certificate Authority)의 공개키를 사전에 가지고 있으며, 만약 공개키를 가지고 있지 않을 경우에는 CA와 통신하여 받을 수도 있다. 또한 상기 전기차 ID 또는 인증서는 과금 목적으로 전력 사업자(예 : 한국전력)가 관리하고 있는 고객정보와 매핑되어 정산 시 사용할 수 있다. In addition, the pre-shared ID (ie, electric vehicle ID) is registered in the PKI server of the AMI application system 150 in advance, and the PKI server obtains a public key of a CA (Certificate Authority) required to verify the signature of the electric vehicle's certificate in advance. If you do not have the public key, you can communicate with the CA to receive it. In addition, the electric vehicle ID or certificate may be mapped with customer information managed by a power provider (eg, Korea Electric Power Corporation) for billing purposes and used for settlement.

상기 전기차(110)와 상기 스마트미터(130)는 유무선 통신으로 연결된다.The electric vehicle 110 and the smart meter 130 are connected through wired and wireless communication.

예컨대 상기 유무선 통신은 PLC(Power Line Communication), CAN(Controller Area Network), 와이선(WiSUN) 등을 포함한다.For example, the wired/wireless communication includes Power Line Communication (PLC), Controller Area Network (CAN), WiSUN, and the like.

상기 스마트미터(130)와 상기 게이트웨이(140)는 AMI용 근거리 유무선 통신으로 연결되며, 상기 게이트웨이(140)와 상기 AMI 응용 시스템(150)은 AMI용 백홀(Backhaul, 네트워크에서 핵심 네트워크와 서브 네트워크 사이의 중계 링크) 통신으로 연결된다.The smart meter 130 and the gateway 140 are connected by short-distance wired/wireless communication for AMI, and the gateway 140 and the AMI application system 150 are backhaul for AMI between a core network and a sub-network in a network. of the relay link) is connected by communication.

도 2는 상기 도 1에 있어서, 전기차(110)에 연결되는 이동식 충전장치(200)의 개략적인 구성을 보인 예시도이다.FIG. 2 is an exemplary diagram illustrating a schematic configuration of the mobile charging device 200 connected to the electric vehicle 110 in FIG. 1 .

도 2에 도시된 바와 같이, 이동식 충전장치(200)는 계량부(210), 제어부(220), 통신부(230), 및 컨버터(240)를 포함한다.As shown in FIG. 2 , the mobile charging device 200 includes a metering unit 210 , a control unit 220 , a communication unit 230 , and a converter 240 .

상기 컨버터(240)는 전기차(110)의 내부 축전지(미도시)를 충전시키기 위하여, 플러그(120)에 연결된 충전 케이블(미도시)을 통해 입력되는 교류 전원을 직류 전원으로 변환한다.The converter 240 converts AC power input through a charging cable (not shown) connected to the plug 120 into DC power to charge the internal storage battery (not shown) of the electric vehicle 110 .

상기 계량부(210)는 상기 입력되는 교류 전원의 사용량을 계량(측정)한다.The metering unit 210 measures (measures) the amount of use of the input AC power.

상기 제어부(220)는 상기 컨버터(240)와 통신부(230)의 동작을 제어하며, 상기 계량부(210)에서 계량(측정)한 교류 전원의 사용량(즉, 전기차 충전용 전기 사용량)을 상기 통신부(230)를 통해 상기 스마트미터(130)에 전달하며, 인증을 위한 통신을 수행한다.The control unit 220 controls the operation of the converter 240 and the communication unit 230 , and transmits the amount of AC power used (ie, electricity consumption for charging an electric vehicle) measured (measured) by the metering unit 210 to the communication unit. It is transmitted to the smart meter 130 through 230 and performs communication for authentication.

도 3은 본 발명의 일 실시예에 따른 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 방법을 설명하기 위한 흐름도이고, 도 4는 상기 도 3에 있어서, 스마트미터를 경유하여 전기차를 인증하는 방법을 설명하기 위한 예시도이고, 도 5는 상기 도 3에 있어서, 스마트미터를 경유하여 전기차 충전 요금을 정산하는 방법을 설명하기 위한 예시도이다.3 is a flowchart for explaining a method of calculating an electric vehicle charging fee using an intelligent power metering infrastructure according to an embodiment of the present invention, and FIG. 4 is a method of authenticating an electric vehicle via a smart meter in FIG. 3 . FIG. 5 is an exemplary diagram for explaining a method of calculating an electric vehicle charging fee via a smart meter in FIG. 3 .

상술한 바와 같이 전기차(110)가 플러그(120)(예 : 220V 교류 전원단자)에 연결되면, 이동식 충전장치(200)가 지정된 유무선 통신 방식(예 : CAN, PLC 등의 유선통신 방식, 또는 WiSUN 등의 무선통신 방식)을 이용하여 전기차(110)의 인증 정보(예 : 전기차 ID 또는 인증서)와 충전요청 메시지를 스마트미터(130)로 전송한다(S101, S201).As described above, when the electric vehicle 110 is connected to the plug 120 (eg, a 220V AC power terminal), the mobile charging device 200 is a designated wired/wireless communication method (eg, a wired communication method such as CAN, PLC, or WiSUN). The authentication information (eg, electric vehicle ID or certificate) and the charging request message of the electric vehicle 110 are transmitted to the smart meter 130 using a wireless communication method such as (S101, S201).

이에 상기 스마트미터(130)는 내부의 통신모뎀(예 : PLC 통신모뎀, CAN 통신모뎀 또는 WiSUN 통신모뎀)을 이용해서 상기 전기차(110)로부터 수신한 인증 정보(예 : 전기차 ID 또는 인증서)와 충전요청 메시지를 게이트웨이(140)로 전송한다(S202).Accordingly, the smart meter 130 uses an internal communication modem (eg, PLC communication modem, CAN communication modem, or WiSUN communication modem) to receive authentication information (eg, electric vehicle ID or certificate) and charging from the electric vehicle 110 . The request message is transmitted to the gateway 140 (S202).

이에 상기 게이트웨이(140)는 수신한 상기 전기차(110)의 인증 정보와 충전요청 메시지에 상기 스마트미터(130) ID(예 : DLMS/COSEM 미터는 11자리의 고유한 미터 ID 체계를 가지고 있음)를 결합하여 AMI 백홀(backhaul) 통신망을 이용해서 상기 AMI 응용시스템(150)으로 전송한다(S203). 또는 스마트미터(130)가 상기 전기차(110)로부터 수신한 인증 정보(예 : 전기차 ID 또는 인증서)와 충전요청 메시지에 자신의 스마트미터 ID를 결합하여 상기 게이트웨이(140)로 전송할 수도 있다. Accordingly, the gateway 140 transmits the smart meter 130 ID (eg, DLMS/COSEM meters have a unique 11-digit meter ID system) to the received authentication information and charging request message of the electric vehicle 110 . Combined and transmitted to the AMI application system 150 using an AMI backhaul communication network (S203). Alternatively, the smart meter 130 may combine the authentication information (eg, electric vehicle ID or certificate) received from the electric vehicle 110 and its own smart meter ID with the charging request message and transmit it to the gateway 140 .

이에 상기 AMI 응용시스템(150)은, PKI서버를 이용하여, 해당 전기차의 인증 정보(예 : 전기차 ID 또는 인증서)를 검증 후 그 결과를 상기 게이트웨이(140) 및 상기 스마트미터(130)를 통해서 상기 전기차(110)에 전송한다(S204 ~ S207). 즉, 상기 전기차(110)의 인증 정보(예 : 전기차 ID 또는 인증서)를 인증한다(S102).Accordingly, the AMI application system 150 uses the PKI server to verify the authentication information (eg, electric vehicle ID or certificate) of the electric vehicle, and then returns the result through the gateway 140 and the smart meter 130 . It is transmitted to the electric vehicle 110 (S204 ~ S207). That is, authentication information (eg, an electric vehicle ID or certificate) of the electric vehicle 110 is authenticated ( S102 ).

또한 상기 AMI 응용시스템(150)은 정상적인 인증 완료 후, 상기 게이트웨이(140)와 상기 스마트미터(130)를 통해서 상기 이동식 충전장치(200)의 제어부(220)에 충전을 시작도록 명령한다. In addition, the AMI application system 150 commands the controller 220 of the mobile charging device 200 to start charging through the gateway 140 and the smart meter 130 after normal authentication is completed.

이에 따라 전기차(110)의 인증 정보(예 : 전기차 ID 또는 인증서)가 검증된 경우에 전기차 충전이 가능해진다. 즉, 전기차 인증이 완료되면, 전기차(110)에서 이동식 충전장치(200)가 분리되지 않는 한 전기차(110) 충전이 계속 수행된다. 참고로 만약 상기 AMI 응용시스템(150)로부터 인증이 완료되어 충전을 시작한 후, 충전이 중지되거나 다른 이동식 충전장치로 교체되는 경우에는 다시 인증을 수행해야 된다.Accordingly, when authentication information (eg, an electric vehicle ID or certificate) of the electric vehicle 110 is verified, electric vehicle charging becomes possible. That is, when the electric vehicle authentication is completed, charging of the electric vehicle 110 is continuously performed as long as the mobile charging device 200 is not separated from the electric vehicle 110 . For reference, if authentication from the AMI application system 150 is completed and charging is started, when charging is stopped or replaced with another portable charging device, authentication must be performed again.

이에 상기 제어부(220)는 전기차(110)의 인증 정보(예 : 전기차 ID 또는 인증서)가 검증된 경우에 충전 가능한 상태가 되도록 이동식 충전장치(200)를 제어한다. 즉, 상기 제어부(220)가 이동식 충전장치(200)를 제어하여 상기 전기차(110)를 충전한다(S103).Accordingly, the controller 220 controls the mobile charging device 200 to be in a charging state when authentication information (eg, an electric vehicle ID or certificate) of the electric vehicle 110 is verified. That is, the control unit 220 controls the mobile charging device 200 to charge the electric vehicle 110 (S103).

상기 이동식 충전장치(200)의 제어부(220)는 상기 AMI 응용시스템(150)의 충전 시작 명령에 따라 충전을 시작하면서 자체 계량부(210)를 통해서 충전량(즉, 전기차 충전용 전기 사용량)을 누적 계량한다. The control unit 220 of the mobile charging device 200 starts charging according to the charging start command of the AMI application system 150 and accumulates the amount of charging (that is, the amount of electricity used for charging an electric vehicle) through the self-metering unit 210 . Weigh.

그리고 상기 전기차(110)의 충전이 완료(또는 중단)되면, 상기 이동식 충전장치(200)의 제어부(220)는 상기 스마트미터(130)에 충전 종료 메시지와 계량된 전기차 충전용 전기 사용량 정보를 전송한다(S104, S301). And when charging of the electric vehicle 110 is completed (or stopped), the controller 220 of the mobile charging device 200 transmits a charging end message and metered electric vehicle charging electricity usage information to the smart meter 130 . (S104, S301).

이에 상기 게이트웨이(140)는 상기 스마트미터(130)로부터 상기 충전량(즉, 전기차 충전용 전기 사용량) 정보를 수신하여 상기 AMI 응용시스템(150)으로 전송한다(S302, S303). Accordingly, the gateway 140 receives the charging amount (that is, electricity usage for electric vehicle charging) information from the smart meter 130 and transmits it to the AMI application system 150 (S302, S303).

이에 따라 상기 AMI 응용시스템(150)은, MDMS 서버를 통해, 상호 인증 때 사용한 전기차(110)의 인증 정보(예 : 전기차 ID 또는 인증서)를 이용해서 해당 전기차(110)의 고객 정보(즉, 사용자 정보)를 파악하고, 빌링서버를 통해, 일정 기간 충전된 충전량(즉, 전기차 충전용 전기 사용량) 정보를 전기차(110)의 고객 정보(즉, 사용자 정보)의 월 전기사용 요금에 추가하거나 부과하는 방식으로 요금을 정산한다(S304).Accordingly, the AMI application system 150 uses the authentication information (eg, electric vehicle ID or certificate) of the electric vehicle 110 used for mutual authentication through the MDMS server to obtain customer information (ie, user) of the electric vehicle 110 . information), and through the billing server, the amount of charge (that is, the amount of electricity used for charging the electric vehicle) charged for a certain period of time is added or charged to the monthly electricity usage fee of the customer information (ie, user information) of the electric vehicle 110 The fee is settled in this way (S304).

즉, 상기 AMI 응용시스템(150)은 상기 전기차(110)의 해당 고객에 정확한 요금 정산을 수행한다(S105).That is, the AMI application system 150 performs an accurate fee settlement for the corresponding customer of the electric vehicle 110 (S105).

한편 상기 스마트미터(130)의 해당 고객과 상기 전기차(110)의 해당 고객이 다른 경우, 상기 스마트미터(130)의 해당 고객에 대한 월 전기사용 요금에서 충전량(즉, 전기차 충전용 전기 사용량)을 차감한다(즉, 전기요금이 부과되지 않도록 차감한다). 또한 상기 전기차(110)의 충전 전력량은 시간대별 요금제를 다르게 적용하여 요금을 부과할 수 있다. On the other hand, when the corresponding customer of the smart meter 130 and the corresponding customer of the electric vehicle 110 are different, the amount of charge (that is, the amount of electricity used for charging the electric vehicle) is calculated from the monthly electricity usage fee for the corresponding customer of the smart meter 130 . It is deducted (that is, deducted so that electricity bills are not charged). In addition, the charging power amount of the electric vehicle 110 may be charged by applying a different rate system for each time period.

다시 말해, 상기 AMI 응용시스템(150)은, MDMS 서버를 통해, 상기 스마트미터(130) ID를 이용해서 전력 사업자(예 : 한국전력)의 고객 정보(즉, 사용자 정보)를 파악 후 월 전력사용량 정보에서 전기차 충전용으로 사용된 전력량만큼 제외하고 요금을 부과할 수 있게 데이터를 가공하고, 상기 빌링 서버를 통해, 상기 스마트미터(130)의 해당 고객(즉, 전기차(110)가 충전할 수 있도록 AMI 인프라를 빌려주는 고객)에게는 월 사용요금을 일부 감면해주는 인센티브(예 : 전력 사업자가 고정식 전기차 충전 인프라를 구축하지 않는 대신 일반 가정이나 회사에 구축된 AMI 인프라를 전기차 충전에 사용할 수 있도록 대여해 준 것에 대한 인센티브) 정책을 제공할 수도 있다. In other words, the AMI application system 150 uses the ID of the smart meter 130 through the MDMS server to identify customer information (ie, user information) of a power provider (eg, Korea Electric Power), and then monthly power consumption. Data is processed so that a fee can be charged by excluding the amount of electricity used for charging the electric vehicle from the information, and through the billing server, the corresponding customer of the smart meter 130 (that is, the electric vehicle 110) can be charged Incentives that partially reduce monthly usage fees (e.g., electricity providers do not build a fixed electric vehicle charging infrastructure, but lend the AMI infrastructure built in households or companies to use them to charge electric vehicles) incentives) may be provided.

상기와 같이 본 실시예는 전력 사업자(예 : 한국전력)에서 구축중인 AMI 인프라를 이용해서 전기차를 충전하고 요금을 정산할 수 있도록 함으로써, 고정식 전기차 충전 인프라를 구축하는 속도 대비 전기차 보급이 늘어나는 것을 가정할 경우, 막대한 비용을 들여 고정식 전기차 충전 인프라를 구축하기보다 이미 구축된 AMI 인프라를 활용해서 전기차를 충전할 수 있도록 함으로써, 비용을 절감하면서 AMI 인프라의 활용성을 높이고 전기차의 충전 인프라의 활용도를 향상시키는 효과가 있다.As described above, in this embodiment, it is assumed that electric vehicle distribution increases compared to the speed of building a stationary electric vehicle charging infrastructure by allowing electric vehicles to be charged and billed using the AMI infrastructure being built by electric power providers (eg, Korea Electric Power). In this case, rather than constructing a fixed electric vehicle charging infrastructure at great cost, the already established AMI infrastructure can be used to charge electric vehicles, thereby reducing costs while increasing the utility of the AMI infrastructure and improving the utilization of the electric vehicle charging infrastructure. has the effect of making

이상으로 본 발명은 도면에 도시된 실시예를 참고로 하여 설명되었으나, 이는 예시적인 것에 불과하며, 당해 기술이 속하는 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다. 따라서 본 발명의 기술적 보호범위는 아래의 특허청구범위에 의해서 정하여져야 할 것이다. 또한 본 명세서에서 설명된 구현은, 예컨대, 방법 또는 프로세스, 장치, 소프트웨어 프로그램, 데이터 스트림 또는 신호로 구현될 수 있다. 단일 형태의 구현의 맥락에서만 논의(예컨대, 방법으로서만 논의)되었더라도, 논의된 특징의 구현은 또한 다른 형태(예컨대, 장치 또는 프로그램)로도 구현될 수 있다. 장치는 적절한 하드웨어, 소프트웨어 및 펌웨어 등으로 구현될 수 있다. 방법은, 예컨대, 컴퓨터, 마이크로프로세서, 집적 회로 또는 프로그래밍 가능한 로직 디바이스 등을 포함하는 프로세싱 디바이스를 일반적으로 지칭하는 프로세서 등과 같은 장치에서 구현될 수 있다. 프로세서는 또한 최종-사용자 사이에 정보의 통신을 용이하게 하는 컴퓨터, 셀 폰, 휴대용/개인용 정보 단말기(personal digital assistant: "PDA") 및 다른 디바이스 등과 같은 통신 디바이스를 포함한다.As described above, the present invention has been described with reference to the embodiment shown in the drawings, but this is merely exemplary, and various modifications and equivalent other embodiments are possible therefrom by those skilled in the art to which the art pertains. will understand the point. Therefore, the technical protection scope of the present invention should be defined by the following claims. Implementations described herein may also be implemented as, for example, a method or process, an apparatus, a software program, a data stream, or a signal. Although discussed only in the context of a single form of implementation (eg, discussed only as a method), implementations of the discussed features may also be implemented in other forms (eg, as an apparatus or program). The apparatus may be implemented in suitable hardware, software and firmware, and the like. A method may be implemented in an apparatus such as, for example, a processor, which generally refers to a computer, a microprocessor, a processing device, including an integrated circuit or programmable logic device, or the like. Processors also include communication devices such as computers, cell phones, portable/personal digital assistants (“PDA”) and other devices that facilitate communication of information between end-users.

110 : 전기차
120 : 플러그
130 : 스마트미터
140 : 게이트웨이
150 : AMI 응용 시스템110: electric vehicle
120: plug
130: smart meter
140: gateway
150: AMI application system

Claims (1)

전기차 충전을 위한 이동식 충전장치가 연결되는 플러그;
전기차 충전용 전기 사용량을 측정하는 스마트미터;
전기차 충전용 전기 사용량 정보를 AMI(Advanced Metering Infrastructure) 응용 시스템에 전달하는 게이트웨이; 및
상기 게이트웨이를 통해 전달받은 전기차 충전용 전기 사용량 정보를 이용하여 고객의 요금을 산정하는 AMI 응용 시스템;을 포함하되,
전기차가 이동식 충전장치를 통해 플러그에 연결되면,
상기 이동식 충전장치가,
지정된 유무선 통신 방식을 이용하여 전기차의 인증 정보와 충전요청 메시지를 스마트미터로 전송하고,
상기 스마트미터가,
내부의 통신모뎀을 이용해서 상기 인증 정보와 충전요청 메시지를 게이트웨이로 전송하며,
상기 게이트웨이가,
상기 전기차의 인증 정보와 충전요청 메시지에 상기 스마트미터의 스마트미터 ID를 결합하여 AMI 백홀 통신망을 이용해서 상기 AMI 응용시스템으로 전송하고,
상기 AMI 응용시스템은,
해당 전기차의 인증 정보에 대한 정상적인 인증이 완료되면, 그 결과와 충전 시작 명령을 게이트웨이 및 상기 스마트미터를 통해서 상기 전기차에 응답하며,
상기 이동식 충전장치의 제어부가,
상기 전기차의 인증 정보가 검증된 후 충전 시작 명령에 의해 전기차의 충전을 시작하고,
상기 전기차의 충전을 시작함에 따라, 상기 이동식 충전장치가, 전기차 충전용 전기 사용량을 누적 계량하고,
상기 전기차의 충전이 완료되거나 중단되는 경우,
상기 이동식 충전장치의 제어부가,
충전 종료 메시지와 계량된 전기차 충전용 전기 사용량 정보를 상기 스마트미터에 전송하고,
상기 게이트웨이가,
상기 스마트미터로부터 상기 전기차 충전용 전기 사용량 정보를 수신하여 상기 AMI 응용시스템에 전송하고,
상기 AMI 응용시스템은,
전기차의 인증 정보를 이용해서 해당 전기차의 고객 정보를 전력 사업자의 고객 정보에서 파악하고, 상기 전기차 충전용 전기 사용량 정보에 대응하는 요금을 상기 파악한 고객 정보의 월 전기사용 요금에 추가하거나 부과하는 방식으로 요금을 정산하며,
상기 스마트미터의 해당 고객과 상기 전기차의 해당 고객이 다른 경우,
상기 AMI 응용시스템은,
상기 스마트미터의 해당 고객에 대한 월 전기사용 요금에서 전기차 충전용 전기 사용량에 해당하는 요금을 차감함과 아울러 월 사용요금을 일부 감면해주는 인센티브를 제공하되,
상기 전기차의 인증 정보는,
전기차 ID로서 적어도 자동차 번호를 포함하며,
상기 게이트웨이가 상기 전기차의 인증 정보와 충전요청 메시지에 상기 스마트미터 ID를 결합하여 AMI 백홀 통신망을 이용해서 상기 AMI 응용시스템으로 전송하지 않을 경우,
상기 스마트미터가,
상기 전기차로부터 수신한 인증 정보와 충전요청 메시지에 자신의 스마트미터 ID를 자신이 결합하여 상기 게이트웨이로 전송하고,
상기 전기차의 충전이 완료되거나 중단되어 다른 이동식 충전장치나 동일한 이동식 충전장치를 사용하여 다시 충전을 시작하는 경우,
상기 AMI 응용시스템은, 다시 전기차 인증을 수행하며,
상기 전기차 ID는, 사전 공유된 ID 또는 인증서로서, 상기 사전 공유된 ID는 사전에 AMI 응용시스템의 PKI(Public Key Interface) 서버에 등록되며
상기 PKI 서버는,
전기차의 인증서를 서명 검증하기 위해서 필요한 CA(Certificate Authority)의 공개키를 사전에 가지고 있으며, 만약 상기 PKI 서버가 공개키를 가지고 있지 않을 경우에는 CA와 통신하여 받으며,
상기 전기차 ID 또는 인증서는 과금 목적으로 전력 사업자가 관리하고 있는 고객정보와 매핑되어 정산 시 사용되는 것이며, 또한
상기 AMI 응용시스템은,
상기 PKI서버를 이용하여, 전기차 ID 또는 인증서를 검증 후 그 결과를 상기 게이트웨이 및 상기 스마트미터를 통해서 상기 전기차에 전송하여, 상기 전기차의 인증 정보인 전기차 ID 또는 인증서를 인증하는 것을 특징으로 하는 지능형 전력계량 인프라를 이용한 전기차 충전 요금 산정 장치.a plug to which a mobile charging device for charging an electric vehicle is connected;
A smart meter that measures the amount of electricity used to charge electric vehicles;
a gateway that transmits electricity usage information for charging an electric vehicle to an AMI (Advanced Metering Infrastructure) application system; and
AMI application system for calculating the customer's fee using the electric vehicle charging electricity usage information received through the gateway;
When the electric vehicle is connected to the plug via a mobile charging device,
The mobile charging device,
Transmits the electric vehicle's authentication information and charging request message to the smart meter using the designated wired/wireless communication method,
The smart meter,
Transmitting the authentication information and charging request message to the gateway using the internal communication modem,
the gateway,
The smart meter ID of the smart meter is combined with the authentication information of the electric vehicle and the charging request message and transmitted to the AMI application system using the AMI backhaul communication network,
The AMI application system,
When the normal authentication of the authentication information of the electric vehicle is completed, the result and the charging start command are responded to the electric vehicle through the gateway and the smart meter,
The control unit of the mobile charging device,
After the authentication information of the electric vehicle is verified, charging of the electric vehicle is started by the charging start command,
As charging of the electric vehicle is started, the mobile charging device cumulatively measures the amount of electricity used for charging the electric vehicle,
When charging of the electric vehicle is completed or stopped,
The control unit of the mobile charging device,
Transmitting a charging end message and metered electric vehicle charging electricity usage information to the smart meter,
the gateway,
Receives the electricity usage information for charging the electric vehicle from the smart meter and transmits it to the AMI application system,
The AMI application system,
By using the authentication information of the electric vehicle, the customer information of the electric vehicle is identified in the customer information of the electric power company, and a charge corresponding to the electric consumption information for charging the electric vehicle is added or charged to the monthly electricity use fee of the identified customer information. settle the fee,
If the customer of the smart meter is different from the customer of the electric vehicle,
The AMI application system,
Provide incentives for deducting the charge for electric vehicle charging electricity usage from the monthly electricity usage fee for the smart meter customer and partially reducing the monthly usage fee,
The authentication information of the electric vehicle is,
It includes at least a car number as an electric vehicle ID,
When the gateway does not transmit the smart meter ID to the authentication information of the electric vehicle and the charging request message to the AMI application system using the AMI backhaul communication network,
The smart meter,
The user combines his/her smart meter ID with the authentication information received from the electric vehicle and the charging request message and transmits it to the gateway,
When charging of the electric vehicle is completed or stopped and charging is started again using another mobile charging device or the same mobile charging device,
The AMI application system performs electric vehicle authentication again,
The electric vehicle ID is a pre-shared ID or certificate, and the pre-shared ID is registered in the PKI (Public Key Interface) server of the AMI application system in advance.
The PKI server,
It has the public key of the CA (Certificate Authority) necessary to verify the signature of the electric vehicle's certificate in advance. If the PKI server does not have the public key, it communicates with the CA and receives it,
The electric vehicle ID or certificate is mapped with customer information managed by the electric power company for billing purposes and used for settlement.
The AMI application system,
Intelligent power, characterized in that after verifying the electric vehicle ID or certificate using the PKI server, the result is transmitted to the electric vehicle through the gateway and the smart meter to authenticate the electric vehicle ID or certificate, which is authentication information of the electric vehicle Electric vehicle charging rate calculation device using metering infrastructure.
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