KR101142728B1 - A Remote Metering System for the Recharge of an Electric Vehicle - Google Patents

A Remote Metering System for the Recharge of an Electric Vehicle Download PDF

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Publication number
KR101142728B1
KR101142728B1 KR1020090109432A KR20090109432A KR101142728B1 KR 101142728 B1 KR101142728 B1 KR 101142728B1 KR 1020090109432 A KR1020090109432 A KR 1020090109432A KR 20090109432 A KR20090109432 A KR 20090109432A KR 101142728 B1 KR101142728 B1 KR 101142728B1
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KR
South Korea
Prior art keywords
charging
user
electric vehicle
terminal
management server
Prior art date
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KR1020090109432A
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Korean (ko)
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KR20110052772A (en
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조한대
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조한대
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Priority to KR1020090109432A priority Critical patent/KR101142728B1/en
Publication of KR20110052772A publication Critical patent/KR20110052772A/en
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Publication of KR101142728B1 publication Critical patent/KR101142728B1/en

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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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Abstract

본 발명은 건물 내에서 전기자동차 충전 및 사용자별 과금을 하기 위한 전기자동차 충전 원격검침 장치에 관한 것으로서, 전기자동차 충전장치에서 사용자를 식별하여 전기자동차 충전을 하고, 중앙관리서버에서 사용자별 충전 요금에 대한 자동 과금을 수행하는 것이다.The present invention relates to an electric vehicle charging remote meter reading device for charging the electric vehicle and charging for each user in a building, and identify the user in the electric vehicle charging device to charge the electric vehicle, the central management server in charge for each user To perform automatic billing.

충전터미널은 충전에 사용되는 전압/전류를 선택적으로 공급할 수 있으며, 사용자는 충전시작 시간 및 종료시간을 예약함으로서 심야전기와 같이 저렴한 요금체계의 전력을 사용하는 것을 선택할 수 있다.The charging terminal can selectively supply the voltage / current used for charging, and the user can select to use a low-cost electric power system such as a midnight electricity by reserving the charging start time and the end time.

또한 전기자동차 충전 원격검침 장치는 전기자동차 충전중 이상 상태가 감지되면 자동으로 충전을 중단하고, 차량의 충전 상태 정보를 사용자 수용가의 월패드 및 사용자 단말기에 전송하여 줌으로서 사용자가 전기자동차의 충전 상태를 실시간으로 확인하여 이에 대처할 수 있게 한다.In addition, the electric vehicle charging remote meter reading device automatically stops charging when an abnormal condition is detected while charging the electric vehicle, and transmits the charging state information of the vehicle to the user's user's wall pad and the user terminal, thereby allowing the user to charge the electric vehicle. Check in real time to cope with this.

전기자동차, 원격검침, 2차 전지, 충전, 과금, 충전 예약 Electric Vehicle, Remote Meter, Rechargeable Battery, Charge, Charge Reservation

Description

전기자동차 충전을 위한 원격검침 시스템 {A Remote Metering System for the Recharge of an Electric Vehicle}{A Remote Metering System for the Recharge of an Electric Vehicle}

본 발명은 빌딩, 공동주택 등의 전기, 수도, 난방, 가스, 온수 원격검침 및 과금 시스템과 통합되어 사용될 수 있으며, 사용자 식별, 전기자동차 충전, 충전시간 예약, 충전 상태 알람, 통합 과금이 가능한 전기 자동차 충전 원격검침 시스템에 관한 것이다.The present invention can be used integrating with electricity, water, heating, gas, hot water remote metering and billing system of buildings, apartments, etc., user identification, electric vehicle charging, charging time reservation, charge status alarm, integrated charging The present invention relates to a vehicle charging remote meter reading system.

다수의 입주자가 생활하는 대형 건물, 공동주택 등에는 가스, 수도, 열량, 전기 등에 대해 각 수용가에 설치된 각 자동 계량기에서 그 사용량을 검침하고 그 검침 데이터를 원격지에 설치된 중앙관리서버에 유무선 통신 방식으로 전송하여 검침 데이터들을 통합 관리하고 과금 하는 원격검침 시스템이 일반화되어 있다.In large buildings and apartment houses where a large number of tenants live, the amount of gas, water, calories, electricity, etc. are read at each automatic meter installed at each customer, and the meter data is transmitted to the central management server installed at a remote location by wire or wireless communication. A remote metering system that transfers, manages and charges meter reading data is common.

도.1, 2에는 종래의 원격검침 시스템들이 개시되어 있다.1 and 2, conventional remote metering systems are disclosed.

통상의 원격 검침시스템은 각각의 수용가에서의 수도, 온수, 가스, 난방, 전력의 사용량을 검침하기 위한 각종 계량기 즉, 수도계량기(110), 온수계량기(111), 난방계량기(112), 가스계량기(113), 전력계량기(114) 등으로부터의 검침 데이터를 유무선 통신 방식을 사용하여 통신단자대(120) 또는 세대별 통합검침장치(121)로 집중시킨 후 통신단자대(120) 또는 통합검침장치(121)에서 각 수용가의 검침 데이터를 중계장치(130)로 보내게 된다. 중계장치(130)는 다수(통상 1개 중계장치당 128 수용가 정도)의 수용가의 검침데이터를 인터페이스 장치(140)를 통해 건물 관리실의 중앙관리서버(150)로 전송하게 된다.Conventional remote meter reading system is a variety of meters for reading the use of water, hot water, gas, heating, power at each consumer, that is, water meter 110, hot water meter 111, heating meter 112, gas meter (113), the meter reading data from the power meter 114, etc. by using a wired or wireless communication method to concentrate the communication terminal unit 120 or generation-specific integrated meter device 121, and then the communication terminal unit 120 or the integrated meter reading device 121 ) Will send the meter reading data of each consumer to the relay device (130). The relay device 130 transmits the meter reading data of a plurality of customers (usually about 128 consumers per one relay device) to the central management server 150 of the building management room through the interface device 140.

중앙관리서버(150)는 건물 또는 단지 전체의 감시 및 정보처리를 수행하는 서버로서 과금서버(160)를 포함하여 각 수용가의 수도, 온수, 가스, 난방, 전력 사용량에 따른 요금을 자동으로 과금하게 된다.The central management server 150 is a server that performs the monitoring and information processing of the entire building or complex, including the charging server 160 to automatically charge the charges according to water, hot water, gas, heating, and power usage of each customer. do.

또한, 필요한 경우 핸디 터미널로 불리는 무선 터미널(170)을 통해 통합검침장치(121) 또는 중계장치(130)에서 검침원이 직접 검침 데이터를 확인하는 것도 가능하다.In addition, if necessary, it is also possible for the meter reader to directly check the metering data in the integrated metering device 121 or the relay device 130 through the wireless terminal 170 called a handy terminal.

계량기, 통신단자대, 통합검침장치, 원격검침통합서버, 무선 터미널 사이의 통신방식은 주변 환경에 따라 선택되어 사용되는데, D-PLC(전력선 통신), RS 232, RS 485, RFID, TCP/IP LAN, COAX, 광통신, 무선 랜 등 어떠한 통식방식이라도 적은 크기인 검침 데이터 전송에 큰 문제가 되지 않는다.Communication method between meter, communication terminal block, integrated meter reading device, integrated remote meter reading server, and wireless terminal is selected according to the surrounding environment.D-PLC (power line communication), RS 232, RS 485, RFID, TCP / IP LAN Any form of communication, such as COAX, optical communication, or wireless LAN, is not a big problem for small meter reading data transmission.

건물 또는 공동주택에 있어서 통상적인 원격검침시스템의 경우는 D-PLC, RS 232, RS 485 방식이 주로 사용되나, 원격검침시스템에 있어서의 통신 방식의 선택은 공지의 기술의 선택에 불과하다.D-PLC, RS 232, and RS 485 are commonly used in a typical remote meter reading system in a building or apartment house. However, the selection of a communication method in the remote meter reading system is only a selection of known technologies.

최근에는 화석연료 사용 및 온실가스 배출을 감소시키기 위하여 전기자동차의 도입이 활발히 추진되고 있는데, 예로서 플러그인 하이브리드 자동차, 전기자동차 등은 사용자가 직접 전기자동차의 2차 전지를 충전하거나, 배터리를 교체하여 사용하여야 한다.In recent years, the introduction of electric vehicles has been actively promoted to reduce the use of fossil fuels and greenhouse gas emissions. For example, plug-in hybrid vehicles and electric vehicles can be recharged by the user to charge the secondary battery of the electric vehicle or replace the battery. Should be used.

그러나 2차 전지의 충전에는 통상 긴 시간이 필요하여 현재의 주유소 등에서 충전 서비스를 제공한다고 하여도 공간적인 제약에 의해 많은 수의 차량이 빠른 시간 내에 충전을 할 수 없으므로 빌딩, 공동주택의 주차장 등에서 전기자동차의 2차 전지를 충전할 수 있는 시스템이 필요하다.However, charging a secondary battery usually requires a long time, and even though a current service station provides a charging service, a large number of vehicles cannot be charged quickly due to space constraints. There is a need for a system that can charge a vehicle's secondary battery.

이를 위해서는 전기자동차 충전에 따른 전력 사용량에 대한 과금 체계가 필요한데, 통상 차량은 일정한 장소에 주차되는 것이 아니므로 사용자를 식별하고 이에 따라 전력 사용에 대한 과금을 처리하는 시스템이 필요하게 되는 것이다.To this end, a charging system for electric power consumption according to charging an electric vehicle is required. Since a vehicle is not parked at a predetermined place, a system for identifying a user and processing a charge for electric power use accordingly is required.

본 발명은 이러한 문제를 해결하기 위하여 안출된 것으로서 빌딩, 공동주택(이하 '건물'이라 한다.)의 주차장 등에 설치되, 사용자 식별 기능을 갖고 건물의 중앙관리서버와 연결되어 전력 사용에 따른 과금 및 전기자동차 충전 상태에 따른 정보를 영상, 문자, 또는 음향으로 표시하는 전기자동차 충전 원격검침시스템에 관한 것이다.The present invention has been made to solve this problem, installed in the parking lot of buildings, apartments (hereinafter referred to as 'building'), has a user identification function and is connected to the central management server of the building, The present invention relates to an electric vehicle charging remote meter reading system that displays information according to an electric vehicle charging state in an image, text, or sound.

본 발명은 건물의 주차장 등에 설치되어 전기자동차의 충전에 사용되는 전기자동차 충전 원격검침시스템에 관한 것으로, 전기자동차 충전 원격검침시스템은 주차장 등에 다수 설치되는 충전터미널, 충전터미널을 제어하는 제어기, 제어기와 연동되어 정보를 주고받는 중앙관리서버를 포함하여 구성된다.The present invention relates to an electric vehicle charging remote meter reading system installed in a parking lot of a building and used for charging an electric vehicle. The electric vehicle charging remote meter reading system includes a charging terminal, a controller for controlling a charging terminal, and a controller. It is configured to include a central management server to exchange information.

사용자가 충전터미널의 충전포트에 전기자동차의 충전기를 연결하고 사용자 인식기를 통해 사용자 식별을 인증받은 후 충전을 시작하면 충전터미널 제어기가 전기자동차의 충전 작업을 제어한다.When the user connects the charger of the electric vehicle to the charging port of the charging terminal and authenticates the user identification through the user recognizer, the charging terminal controller controls the charging operation of the electric vehicle.

제어기는 충전 전류의 제어, 전력 사용량의 검침, 과충전 방지, 충전터미널 작동 상태 감시 등의 기능을 수행하며 사용자인식기로부터 전송된 사용자 정보, 전력계로부터 전송된 전력 사용량, 충전 상태 등을 포함하는 각종 정보를 건물의 중앙관리서버에 전송하게 된다. 중앙관리서버는 제어기로부터 전송받은 데이터와 서버에 저장되어 있는 사용자 정보를 이용하여 충전에 따른 과금을 수행하며, 충전 상태를 월패드서버를 통해 각 수용가 내에서 설치된 월패드에 표시해 주거나, 외부통신서버를 통해 사용자의 통신 단말기(핸드폰 등)에 전송해주게 된다.The controller performs functions such as controlling the charging current, reading power usage, preventing overcharging, and monitoring the operation status of the charging terminal, and controlling various types of information including user information transmitted from the user recognizer, power usage transmitted from the power meter, and charging status. It is sent to the central management server of the building. The central management server performs the charging according to the charging using the data received from the controller and the user information stored in the server, and displays the charging status on the wall pad installed in each customer through the wall pad server, or the external communication server. Through the transmission to the user's communication terminal (cell phone, etc.).

사용자는 전기자동차 충전시 요금이 저렴한 심야전기 등을 이용하기 위하여 충전시작시간, 충전 강제 종료시간을 설정할 수 있을 것이며, 또는 사용자가 제어기에 심야전기와 같은 할인 요금 적용 시간 동안만 충전을 수행하도록 하는 명령을 입력함으로서 제어기가 이에 따라 충전시간을 자동 조절하도록 할 수도 있다.The user may set the charging start time and the forced stop time of charging to use the low-cost late night electricity when charging the electric vehicle, or allow the user to perform charging only during the discounted time applied to the controller, such as the late-night electricity. Entering a command may cause the controller to automatically adjust the charging time accordingly.

본 발명에 따른 전기자동차 충전 원격검침시스템에 의하여 건물 내 주차장 등에서 사용자를 식별하여 전기자동차 충전을 하고, 사용자별 전력 사용량에 대한 자동 과금을 수행할 수 있게 된다.The electric vehicle charging remote meter reading system according to the present invention can identify a user in a parking lot in a building, thereby charging the electric vehicle, and perform automatic charging for power consumption for each user.

이에 따라, 사용자별 전기자동차 충전 요금을 수도, 가스, 난방 등의 기존의 고지서와 통합하여 고지하는 것이 가능해진다.Accordingly, it is possible to integrate the electric vehicle charging fee for each user with the existing bills such as water, gas, and heating.

또한 차량의 충전 상태 정보를 월패드 및 사용자 단말기에 전송하여 줌으로서 사용자가 전기자동차의 충전 상태를 실시간으로 확인할 수 있게 되는 효과를 얻을 수 있다.In addition, by transmitting the charging state information of the vehicle to the wall pad and the user terminal, it is possible to obtain the effect that the user can check the charging state of the electric vehicle in real time.

이하 도면을 참조하여 본 발명에 따른 전기자동차 충전 원격검침시스템을 구체적으로 설명한다.Hereinafter, an electric vehicle charging remote meter reading system according to the present invention will be described in detail with reference to the accompanying drawings.

도.3에는 본 발명에 따른 전기자동차 충전 원격검침시스템을 포함한 전기자동차 충전 원격검침시스템의 개략도가 개시되어 있다.3 shows a schematic diagram of an electric vehicle charging remote meter reading system including an electric vehicle charging remote meter reading system according to the present invention.

건물의 주차장 등에 다수의 충전터미널(200)이 설치되어 있고, 전기자동차의 커넥터를 충전터미널의 충전포트(210)에 형성된 커넥터에 결합시켜 전기자동차의 2차 전지를 충전하게 된다. 전기자동차의 충전에 따른 충전 요금은 건물의 수도, 가스, 온수 등의 원격검침을 수행하는 중앙관리서버에 의해 사용자에게 부과되게 된다.A plurality of charging terminals 200 are installed in a parking lot of a building, and the connector of the electric vehicle is coupled to the connector formed in the charging port 210 of the charging terminal to charge the secondary battery of the electric vehicle. The charging fee according to the charging of the electric vehicle is charged to the user by the central management server that performs the remote metering of the building's water, gas, and hot water.

이하 전기자동차 충전 원격검침시스템을 더 자세하게 설명한다.Hereinafter, the electric vehicle charging remote meter reading system will be described in more detail.

전기자동차 충전터미널(200)은 분산식 또는 통합식으로 구성될 수 있는데, 도.4는 분산식 전기자동차 충전터미널(200)을 사용하는 전기자동차 충전 원격검침시스템을 개시하고 있다.The electric vehicle charging terminal 200 may be configured in a decentralized or integrated manner, Figure 4 discloses an electric vehicle charging remote meter reading system using a distributed electric vehicle charging terminal 200.

분산식 전기자동차 충전터미널은 사용자를 인식하는 사용자인식기(220), 전기자동차와 전기적 접촉을 이루기 위한 커넥터(212)가 결합되고, 외부 전력을 공급받아 전기자동차에 공급하는 충전포트(210), 사용 전력량을 검침하는 전력계(211), 충전터미널의 상태를 감시하는 센서부(260), 센서부(260)의 측정 데이터 및 제어기 자체에 내장된 오류검사 로직을 통해 충전터미널의 각 구성요소의 작동상태를 감시하며 작동을 제어하는 제어기(230), 제어기의 명령에 따라 정보를 표시하는 표시부(250) 및 제어기와 외부의 통신을 수행하는 통신부(240)로 이루어진다.The decentralized electric vehicle charging terminal uses a user recognizer 220 that recognizes a user, a connector 212 for making electrical contact with the electric vehicle, and a charging port 210 for supplying electric power to an electric vehicle by using external power. The operating state of each component of the charging terminal through the power meter 211 that reads the amount of electricity, the sensor unit 260 that monitors the state of the charging terminal, the measurement data of the sensor unit 260 and the error checking logic built into the controller itself. It consists of a controller 230 for monitoring and controlling the operation, a display unit 250 for displaying information according to the command of the controller and a communication unit 240 for performing external communication with the controller.

사용자 인식User awareness

사용자가 사용자인식기(220)에 사용자 정보를 입력하면 사용자인식기(220)는 사용자 정보를 제어기(230)에 제공한다. 또 다른 실시형태로서 사용자인식기에 별도의 제어기를 설치하여 구성하거나, 충전터미널(200)의 제어기가 통합적으로 제어하도록 구성할 수 있다.When a user inputs user information to the user recognizer 220, the user recognizer 220 provides the user information to the controller 230. As another embodiment, a separate controller may be installed and configured in the user recognizer, or the controller of the charging terminal 200 may be configured to be integratedly controlled.

사용자인식기에 사용자 정보를 입력하는 수단은 RFID, 마그네틱 카드, 지문/홍체 등의 생체정보, 키패드를 통한 아이디 및 비밀번호 입력, 휴대전화 단말기에 삽입된 사용자 정보 보관 칩의 리딩(reading) 등을 통해 이루어질 수 있고, 중앙관리서버에서 관리할 수 있는 정보의 형태라면 어떤 인식 방식이라도 무관하다.The means for inputting user information to the user recognizer is made through biometric information such as RFID, magnetic card, fingerprint / hongche, input of ID and password through the keypad, and reading of the user information storage chip inserted into the mobile phone terminal. Can be any type of information that can be managed by the central management server.

또한, 사용자인식기는 하나의 사용자 정보 입력수단을 갖거나 복수의 사용자 정보 입력수단을 동시 갖는 것도 가능하다.In addition, the user recognizer may have one user information input means or simultaneously have a plurality of user information input means.

제어기(230)가 사용자인식기(220)로부터 입력된 사용자정보를 통신부(240)를 통해 중앙관리서버(150)에 전송하면 중앙관리서버는 사용자가 유효한 사용자인지 여부를 나타내는 인증정보를 제어기에 송신한다.When the controller 230 transmits the user information input from the user recognizer 220 to the central management server 150 through the communication unit 240, the central management server transmits authentication information indicating whether the user is a valid user to the controller. .

중앙관리서버로부터 유효하지 않은 사용자로 통보된 경우 제어기(230)는 충전을 시작하지 않고, 표시부(250)에 경고 표시를 출력한다.중앙관리서버로부터 유 효한 사용자로 판명된 경우 제어기는 충전포트(210)의 커넥터(212)에 의해 전기적으로 결합된 전기자동차에 충전을 시작하도록 충전포트를 제어한다.When notified of an invalid user from the central management server, the controller 230 does not start charging and outputs a warning indication to the display unit 250. When it is determined that the user is an effective user from the central management server, the controller is connected to the charging port ( The charging port is controlled to start charging to the electric vehicle electrically coupled by the connector 212 of 210.

제어기는 또한 중앙관리서버(150)이 인식할 수 있는 충전포트의 고유 아이디(예 : 충전포트 번호 등)를 충전 작업의 모든 단계에서 필요에 따라 전송하도록 할 수 있는데, 이에 따라 중앙관리서버(150)에서는 각 충전포트별로 사용 이력, 고장 정보 등의 데이터를 저장 관리하는 것이 가능해진다.The controller may also allow the central management server 150 to transmit a unique ID (eg, charging port number, etc.) of the charging port as needed at every stage of the charging operation, according to the central management server 150. ), It is possible to store and manage data such as usage history and failure information for each charging port.

전기자동차 충전용 전력 공급Electric vehicle charging power supply

전기자동차 충전에 사용되는 전압/전류는 각 나라별로 규격이 달리 정해지게되는데, 다양한 전압/전류를 공급하는 기능을 갖도록 하는 것이 가능하다.The voltage / current used to charge an electric vehicle is determined according to different countries, and it is possible to have a function of supplying various voltage / current.

Figure 112009504320175-pat00009
Figure 112009504320175-pat00009

충전터미널은 필요에 따라 외부전원을 전기자동차 충전에 적합한 교류 혹은 직류 전압/전류로 변환시켜주는 변압기능을 갖거나 외부 공급 전력 중에서 택일하여 충전 전압/전류를 공급하도록 하는 충전전력선택부가 충전포트와 결합되도록 구성될 수 있는데, 아래 A～C의 방법으로 실시하는 것이 가능하다.The charging terminal has a transformer function that converts an external power source into an AC or DC voltage / current suitable for charging an electric vehicle, or a charging power selection unit for supplying a charging voltage / current from an external supply power. It can be configured to be combined, it is possible to carry out by the method of A ~ C below.

A. 사용자가 충전터미널에서 직접 충전용 전압/전류를 선택하고, 이에 따라 충전전력선택부가 충전포트에 해당하는 전압/전류를 공급하도록 제어.A. The user selects the voltage / current for charging directly at the charging terminal and controls the charging power selector to supply the voltage / current corresponding to the charging port.

B. 충전터미널의 제어기가 배터리 종류를 자동인식하고 가능한 충전 전압/전류를 사용자에게 제시(예 :표시부(250)에 표시)하고 사용자가 해당 번호를 입력(예 : 사용자인식기(220)으로 사용되는 키패드에서 키인(key-in)하거나 별도의 입력 장치를 설치) 하면 충전전력선택부가 해당 전압/전류를 공급.B. The controller of the charging terminal automatically recognizes the battery type and presents the possible charging voltage / current to the user (for example, the display unit 250) and the user inputs the corresponding number (for example, the user recognizer 220 is used). When the key-in or the separate input device is installed in the keypad, the charging power selector supplies the corresponding voltage / current.

C. 충전터미널의 제어기가 배터리의 종류를 자동인식하고 적용 가능한 충전 전압/전류 방식 중 소정의 목표함수(최소 비용, 최소 시간 등)을 만족시키는 충전 전압/전류를 선택하면 선택된 전압/전류를 충전전력선택부가 공급.C. The controller of the charging terminal automatically recognizes the battery type and selects the charging voltage / current that satisfies the predetermined target function (minimum cost, minimum time, etc.) among the applicable charging voltage / current methods. Power selector supplied.

충전터미널은 IEC 61851-1 규격 커넥터, SAE J1772 규격 커넥터 등에서 규정하고 있는 통신 포트들을 통해 전기자동차 배터리 시스템에 대한 정보를 전기자동차로부터 획득하는 것이 가능하다.The charging terminal can obtain information about the electric vehicle battery system from the electric vehicle through communication ports specified in the IEC 61851-1 standard connector and the SAE J1772 standard connector.

Figure 112009504320175-pat00010
Figure 112009504320175-pat00010

전력 요금 절감을 위한 전기자동차 충전 시간 예약Scheduling Charging Time for Electric Vehicles to Reduce Power Bills

우리나라의 경우 심야시간대의 전력 요금은 다른 시간대에 비하여 저렴하게 공급되는데 전기자동차 이러한 할인 전력 요금을 사용하여 전기자동차를 충전할 수 있도록 하는 기능을 사용할 수 있다.In Korea, the late-night electricity rates are cheaper than other time zones. Electric Vehicles These discounted electricity rates can be used to charge electric vehicles.

사용자는 충전터미널의 입력장치에 충전시작시간, 배터리가 완충되지 않은 경우라도 충전을 중단하는 충전 강제 종료시간을 설정하거나, 또는 단순히 할인 전력만을 사용하도록 하는 명령을 입력하는 방식으로 충전 요금을 절감할 수 있게 된다.The user can save the charge by setting the charging start time, the forced stop time to stop charging even when the battery is not fully charged, or by simply entering a command to use only discounted power. It becomes possible.

충전 상황 감시Charging status monitoring

제어기(230)는 충전터미널의 온도, 전류, 전압, 충전 배선의 단선, 누전, 전기자동차 배터리 충전상태, 커넥터 접촉 불량, 커넥터 분리 중 적어도 하나 이상의 상태를 감지하여 충전 시작 전은 물론 충전 중에 충전포트(210)와 전기자동차의 전기적 접속의 상태를 포함한 충전터미널의 작동 상태를 감시하고 충전 시작 또는 계속 여부를 판단할 수 있다.The controller 230 detects at least one or more of the temperature, current, voltage, disconnection of the charging wire, short circuit of the charging terminal, electric vehicle battery charging status, bad connector contact, and disconnection of the connector, before charging starts and during charging. The operation state of the charging terminal including the state of the electrical connection of the 210 and the electric vehicle can be monitored and it can be determined whether to start or continue charging.

앞에서 설명한 바와 같이 충전터미널은 IEC 61851-1 규격 커넥터, SAE J1772 규격 커넥터 등과 같은 표준 규격 방식에 의한 통신 포트들을 통해 전기자동차 배터리 시스템에 대한 정보를 전기자동차로부터 획득하는 것이 가능하다.As described above, the charging terminal can obtain information about the electric vehicle battery system from the electric vehicle through communication ports according to standard methods such as the IEC 61851-1 standard connector and the SAE J1772 standard connector.

제어기는 충전터미널과 연결된 전기자동차를 포함하는 충전 회로의 단선/누전, 커넥터 접촉불량 및 분리, 배터리 충전량 등의 충전상태 및 충전터미널의 온도(과열), 과전류, 자가진단에 의한 충전포트의 고장 여부를 검사한다.The controller is connected to the charging terminal, including the disconnection / leakage of the charging circuit, poor contact and disconnection of the connector, the state of charge of the battery, and the charging terminal due to temperature (overheating), overcurrent, and self-diagnosis of the charging terminal. Check it.

이러한 검사는 산업용 상용 차단기(circuit breaker) 및 충전기가 통상적으로 가지고 있는 정도의 기능으로부터 용이하게 실시할 수 있는 것이므로 이를 수행하기 위한 구체적인 기술은 특별히 기술하지 않도록 한다.Since such inspections can be easily performed from the functions that industrial commercial breakers and chargers usually have, the specific technique for performing them is not specifically described.

특별히, 커넥터 접촉불량 및 커넥터 분리는 기계적 또는 전기적 스위치 접촉 방식 혹은 충전 터미널 내 전압 이상 등에 의해 인식할 수 있다.In particular, poor connector contact and disconnection of the connector can be recognized by mechanical or electrical switch contact or voltage abnormality in the charging terminal.

충전 시작 전 검사에 의해 충전을 시작하는데 문제가 되는 회로의 단선, 누전, 커넥터 접촉 불량, 2차 전지 완충, 충전터미널의 과열, 과전류, 이상 전압(과전압, 전압 부족, 전압 변동(fluctuation)) 등이 확인되면 제어기(230)는 충전터미널의 표시부(250)에 이에 따른 경고 신호를 음향, 문자, 기호 등으로 발생시키고, 충전을 진행하지 않는다.Circuit break, short circuit, connector contact failure, secondary battery buffer, overheating of charging terminal, overcurrent, abnormal voltage (overvoltage, undervoltage, voltage fluctuation), etc. If this is confirmed, the controller 230 generates a warning signal according to the display unit 250 of the charging terminal as a sound, a character, a symbol, and the like, and does not proceed with charging.

또한 제어부는 이러한 정보를 중앙관리서버(150)에 전송하여 중앙관리서버가 이후 설명되는 과금, 경고 프로세서에 이를 반영할 수 있도록 한다.In addition, the control unit transmits this information to the central management server 150 so that the central management server can reflect this to the billing, warning processor described later.

표시부는 LCD 패널, 점멸 등, 음향 발생 등을 포함하여 검사상태를 사용자에게 인식시킬 수 있는 것이라면 어떤 것이라도 좋다.The display unit may be any one as long as it can recognize the inspection state to the user, including the occurrence of sound such as an LCD panel, a flashing light, or the like.

제어기는 또한 충전 중에도 회로의 단선/누전, 커넥터 접촉불량, 2차 전지 충전량 등의 충전상태 및 충전터미널의 과열, 과전류, 이상전압을 감시하며, 만약, 충전 계속중에 충전을 중단해야 하는 회로의 단선, 누전, 커넥터 접촉 불량, 2차 전지 완충, 과열, 과전류, 이상전압 등이 확인되면 제어기는 충전을 중단시키고 중앙관리서버에 이상 발생 이벤트 신호(event signal)를 전송한다. 또한 표시부(250)에 해당하는 정보를 표시할 수 있다.The controller also monitors the state of charge such as disconnection / leakage of the circuit, poor connector contact, secondary battery charge, and overheating, overcurrent, and overvoltage of the charging terminal. If a short circuit, a bad connector contact, a secondary battery full charge, overheating, overcurrent, abnormal voltage, or the like is confirmed, the controller stops charging and transmits an event signal to the central management server. In addition, the information corresponding to the display unit 250 may be displayed.

충전 상황 알람Charging status alarm

충전터미널은 충전상태 정보를 표시부(250)에 표시하는 것이 가능한데, 사용자에게 충전상황 정보를 전송하는 부가적인 기능이 사용될 수 있다.The charging terminal may display the charging state information on the display unit 250. An additional function of transmitting the charging status information to the user may be used.

중앙관리서버는 각 충전터미널의 충전상태 정보를 수신하여 월패드서버(162) 를 통해 제어기로부터 전송받은 사용자에 해당하는 수용가를 사용자 데이터베이스에서 확인하여 해당 수용가 내에 설치된 월패드(410), 스피커 등의 정보 표시 단말기(420)에 영상, 문자 또는 음향으로 표시하여 줄 수 있다. 월패드 서버와 월패드 사이의 통신은 앞서 살펴본 바와 같이 유무선 방식의 어떠한 통신 방식이라도 사용될 수 있고, 통신 방식을 선택하는 것은 공지기술의 선택에 불과하다.The central management server receives charge status information of each charging terminal and checks the customer corresponding to the user received from the controller through the wall pad server 162 in the user database, such as the wall pad 410 and the speaker installed in the user. The information display terminal 420 may be displayed as an image, text, or sound. As described above, the communication between the wall pad server and the wall pad may be used in any of the wired and wireless methods, and the selection of the communication method is merely a selection of known technology.

또한 중앙관리서버는 외부통신서버(163)를 통해 사용자 데이터베이스에 저장된 정보를 확인하여 해당 사용자의 통신 단말기(핸드폰 등)에 충전 상태에 관한 정보를 전송하여 줄 수 있다.In addition, the central management server may check the information stored in the user database through the external communication server 163 and transmit the information on the state of charge to the communication terminal (cell phone, etc.) of the user.

즉, 충전중 커넥터의 분리, 전기 누전 등 전기 접속에 문제, 과열/과전류 등에 의해 충전이 중지되거나 배터리의 충전이 완료된 경우 사용자에게 이를 알려 사용자가 이에 대응할 수 있도록 하는 것이다.That is, when the charging is stopped due to a problem in the electrical connection such as disconnection of the connector during the charging, an electrical short circuit, overheating / overcurrent, or the like, the battery is notified to the user so that the user can respond to it.

과금Billing

제어기는 충전 시작으로부터 충전 중단까지 충전터미널에서 사용된 전력량의 검침 데이터를 전력계(211)를 통해 입력받고, 이를 중앙관리서버(150)에 전송한다.The controller receives meter reading data of the amount of power used in the charging terminal from the start of charging to the stop of charging through the power meter 211 and transmits it to the central management server 150.

중앙관리서버는 사용된 충전터미널 아이디, 사용자 정보, 이상 발생 정보, 사용 전력량 등에 관한 데이터들을 과금서버(160)의 데이터베이스에 저장한다. 과금서버(160)는 사용자 정보 및, 이상 발생 정보, 사용 전력량 데이터를 이용하여 사용자별 과금을 수행한다.The central management server stores data on the charging terminal ID used, user information, abnormality occurrence information, power consumption, etc. in the database of the charging server 160. The billing server 160 performs billing for each user by using user information, abnormality occurrence information, and power consumption data.

이에 따라 전기자동차 충전 요금은 사용자별로 수도, 가스, 난방, 온수 등과 함께 고지되거나 혹은 별로도 고지될 수 있고, 과금 합산 기간 등도 임의로 선택될 수 있게 된다.Accordingly, the charging fee of the electric vehicle may be notified or separately notified with water, gas, heating, and hot water for each user, and the billing sum period may be arbitrarily selected.

집중형 충전 터미널Concentrated Charging Terminal

도.5에는 집중형 충전터미널이 개시되어 있는데, 도.4에서 개시한 분산형 충전터미널과 비교하여 하나의 제어기가 다수의 충전터미널을 제어하는 것 이외에는 앞에서 기술한 분산식 전기터미널을 이용한 전기자동차 충전 원격검침 시스템과 동일한 방식으로 작동된다.The centralized charging terminal is disclosed in FIG. 5, which compares to the distributed charging terminal disclosed in FIG. 4 except that one controller controls a plurality of charging terminals, and the electric vehicle using the distributed electric terminal described above. It works the same way as a charging telemeter system.

이 경우 전력사용량을 검침하는 전력계가 각각의 충전터미널에 설치되거나, 혹은 제어기에 통합되어 설치되도록 선택할 수 있다.In this case, the meter can be selected to be installed in each charging terminal or integrated in the controller.

집중형 충전터미널의 경우 하나의 제어기가 여러 개의 충전터미널을 제어하게 되므로 중앙관리서버 또는 제어기가 충전터미널의 고유 아이디(예 : 충전 포트 번호) 정보를 받아들어야 한다.In the case of the centralized charging terminal, since one controller controls several charging terminals, the central management server or the controller must receive unique ID information (eg, charging port number) of the charging terminal.

충전터미널과 중앙관리서버 사이의 통신방식은 종래의 기술에 나타낸 바와 같이 D-PLC(전력선 통신), RS 232, RS 485, RFID, TCP/IP LAN, COAX, 광통신, 무선 랜 등 어떠한 통식방식이더라도 무관하며, 공동주택에 있어서 통상적인 원격검침시스템의 경우 많이 사용되는 D-PLC, RS 232, RS 485 방식을 선택하여도 좋다. 원격검침시스템에 있어서 통신 방식의 선택은 공지의 기술에 불과하다.The communication method between the charging terminal and the central management server may be any conventional method such as D-PLC (power line communication), RS 232, RS 485, RFID, TCP / IP LAN, COAX, optical communication, wireless LAN, as shown in the related art. It is irrelevant and D-PLC, RS 232 and RS 485 methods which are widely used in the remote meter reading system in the apartment house may be selected. The selection of the communication method in the remote meter reading system is only a known technique.

본 발명에 따른 전기자동차 충전 원격검침시스템에 의하여 건물 내 주차장 등에서 사용자를 식별하여 전기자동차 충전을 하고, 사용자별 전력 사용량에 대한 자동 과금을 수행할 수 있게 되어, 사용자별 전기자동차 충전 요금을 수도, 가스, 난방 등의 기존의 고지서와 통합하여 고지하거나 개별적으로 고지하는 것이 가능해 진다.The electric vehicle charging remote meter reading system according to the present invention is able to identify the user in the parking lot in the building and the like to charge the electric vehicle, and perform the automatic charging for the power consumption per user, the electric vehicle charging fee for each user, Integrating with existing bills such as gas, heating, etc., it will be possible to notify or individually.

전기자동차 충전중 이상 상태가 감지되면 자동으로 충전을 중단하고, 차량의 충전 상태 정보를 월패드 및 사용자 단말기에 전송하여 줌으로서 사용자가 전기자동차의 충전 상태를 실시간으로 확인하여 이에 대처할 수 있게 되는 효과를 얻을 수 있다.When an abnormal state is detected while charging an electric vehicle, charging is automatically stopped and the vehicle's charging status information is transmitted to the wall pad and the user terminal, so that the user can check the charging state of the electric vehicle in real time and cope with it. Can be obtained.

도.1 : 종래의 원격검침시스템1: Conventional remote meter reading system

도.2 : 종래의 원격검침시스템Fig. 2: Conventional remote meter reading system

도.3 : 본 발명에 의한 전기자동차 충전 원격검침 시스템Figure 3: Electric vehicle charging remote meter reading system according to the present invention

도.4 : 본 발명에 의한 분산식 충전터미널을 갖는 전기자동차 충전 원격검침시스템Fig. 4: Electric vehicle charging remote meter reading system having a decentralized charging terminal according to the present invention

도.5 : 본 발명에 의한 집중식 충전터미널을 갖는 전기자동차 충전 원격검침시스템Fig. 5: Electric vehicle charging remote meter reading system having a centralized charging terminal according to the present invention

* 도면의 주요부에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings

100 : 종래의 원격검침 시스템100: conventional remote meter reading system

110 : 수도 계량기110: water meter

113 : 가스 계량기113: gas meter

114 : 전력계114: power meter

120 : 통신단자대120: communication terminal block

121 : 통합검침장치121: integrated meter reading device

130 : 중계기
140 : 인터페이스130: repeater
140: interface

150 : 중앙서버150: central server

160 : 과금서버160: billing server

162 : 월패드 서버162: wall pad server

163 : 외부통신서버163: external communication server

200 : 충전터미널200: Charging Terminal

210 : 충전포트210: charging port

220 : 사용자인식기220: user recognizer

230 : 제어기230: controller

240 : 통신부240: communication unit

250 : 표시부250: display unit

260 : 센서부260: sensor

410 : 월패드410: wall pad

420 : 사용자 단말기420: user terminal

Claims (8)

전기자동차 충전을 위하여 건물에 복수로 설치되는 충전터미널, 상기 복수의 충전터미널을 일괄적으로 제어하는 제어기, 상기 제어기와 통신연결되고 사용자정보가 저장된 중앙관리서버를 포함하되,Including a plurality of charging terminals installed in the building for charging the electric vehicle, a controller for controlling the plurality of charging terminals collectively, a central management server connected to the controller and stored the user information, 상기 충전터미널은,The charging terminal, 생체인식, 키패드 입력 인증으로 이루어진 그룹에서 선택된 하나 이상의 방식을 사용하여 사용자를 인식하는 사용자인식기와, 상기 전기자동차와 연결되는 커넥터가 설치되고 상기 커넥터를 통해 상기 전기자동차의 배터리를 충전하는 충전포트와, 상기 제어기에 의해 선택된 정보를 표시하는 표시부를 포함하고,A user recognizer using one or more methods selected from the group consisting of biometrics and keypad input authentication, a charging port for charging a battery of the electric vehicle through a connector, the connector being connected to the electric vehicle is installed; A display unit for displaying the information selected by the controller, 상기 제어기는,The controller comprising: 전기자동차 배터리의 충전상태와, 상기 충전터미널과 전기적으로 연결된 배선의 단선 또는 누전과, 커넥터 접촉 불량, 커넥터 분리와, 상기 충전터미널의 온도, 전류, 전압, 과열, 과전류, 이상전압 발생 여부 및 자가점검에 의한 상기 충전터미널의 고장 정보를 포함하는 그룹에서 선택된 정보 중 하나 이상의 정보를 상기 중앙관리서버에 전송 또는 상기 충전터미널의 표시부에 표시하고, 상기 중앙관리서버로부터 상기 사용자인식기에 입력된 사용자정보가 상기 중앙관리서버에 저장된 사용자정보의 일치 여부를 수신하여 일치하는 경우에만 충전이 시작되도록 상기 충전터미널을 제어하고, 충전 시작시간 및 충전 강제종료시간 중 하나 이상의 정보를 입력받아 충전을 시작하거나 충전을 강제 종료하도록 상기 충전터미널을 제어하며,The state of charge of the electric vehicle battery, the disconnection or short circuit of the wiring electrically connected to the charging terminal, the connector contact failure, the connector disconnection, whether the temperature, current, voltage, overheating, overcurrent, abnormal voltage of the charging terminal and User information input to the user recognizer from the central management server to display at least one of the information selected from the group including the failure information of the charging terminal by the inspection to the central management server or to the display unit of the charging terminal Receives whether or not the user information stored in the central management server, the charging terminal is controlled to start charging only when the match, and inputs one or more of the charging start time and charging forced end time to start charging or charging Control the charging terminal to forcibly terminate the terminal, 상기 중앙관리서버는,The central management server, 상기 제어기로부터 전송된 사용자정보 및 전력 사용량 정보를 이용하여 사용자별 전기자동차 충전 요금을 산정하는 과금서버를 포함하되,It includes a billing server for calculating the charge rate of the electric vehicle for each user by using the user information and power usage information transmitted from the controller, 사용자인식기를 통해서 입력된 사용자정보가 중앙관리서버에 저장된 사용자정보와 일치하면 전기자동차를 충전할 수 있고, 상기 중앙관리서버가 상기 적어도 하나 이상의 정보를 수신받은 경우 상기 적어도 하나 이상의 정보를 선택적으로 월패드서버를 통해 사용자 수용가 내의 월패드에 영상, 문자 또는 음향으로 표시하거나 외부통신서버를 통해 사용자 단말기에 전송하는 것을 특징으로 하는 전기자동차 충전 원격검침 시스템.If the user information input through the user recognizer matches the user information stored in the central management server, the electric vehicle can be charged. An electric vehicle charging remote meter reading system, characterized in that displayed on the wall pad in the user's consumer through the pad server, or transmitted to the user terminal through an external communication server. 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete
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