JP2009100606A - Power management system of charging station - Google Patents

Power management system of charging station Download PDF

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JP2009100606A
JP2009100606A JP2007271907A JP2007271907A JP2009100606A JP 2009100606 A JP2009100606 A JP 2009100606A JP 2007271907 A JP2007271907 A JP 2007271907A JP 2007271907 A JP2007271907 A JP 2007271907A JP 2009100606 A JP2009100606 A JP 2009100606A
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power
amount
computer
charger
management system
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Keiichi Suzuki
桂一 鈴木
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Nippon Yusoki Co Ltd
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Nippon Yusoki Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • 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
    • 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
    • Y02T90/16—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
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12—Remote or cooperative charging

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a system for managing the electric energy and equivalent amount of carbon dioxide when an electric vehicle is charged. <P>SOLUTION: The power management system 10 includes a power meter 16 fixed to the wiring 14 of a charger 12, a computer 18 for collecting data of electric energy, and the like, and a PLC 20 for controlling communication of the power meter 16 and the computer 18. Data of electric energy, and the like, are sent from the power meter 16 to the computer 18 so that the data can be utilized for environmental accounting, and the like. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、電動車両の充電時に電力を管理するシステムに関するものである。   The present invention relates to a system for managing electric power when charging an electric vehicle.

電動車両は排気ガスを排出することはないが、火力発電所での排気ガスを考慮すると電動車両もできるだけ消費電力を低減することが求められている。バッテリや充電器の配線に電力量計を挿入して、充電電力および炭酸ガス換算計算をおこなうことがある。運転技術や移動ルートなどによって炭酸ガス排出量が変化するので、運転技術の向上や移動の効率化に役立てることができる。また電動の荷役車両であれば、どれだけの仕事をしたかを知る目安にもなり、効率良く仕事をするために役立てることもできる。   Although the electric vehicle does not emit exhaust gas, the electric vehicle is required to reduce power consumption as much as possible in consideration of the exhaust gas in the thermal power plant. A watt-hour meter may be inserted into the wiring of the battery or charger to calculate the charging power and carbon dioxide conversion. Since carbon dioxide emissions vary depending on the driving technology and travel route, it can be used to improve driving technology and increase the efficiency of travel. In addition, if it is an electric cargo handling vehicle, it can also be used as a guideline to know how much work has been done, and can be used to work efficiently.

しかし、多数の荷役車両を扱う倉庫などでは、電力量の管理は大変なものである。環境会計をおこなっている会社での炭酸ガス換算計算の手間が多くなる。特許文献１は、電池の残量を取得しているが、電動車両の電力量などを求めるものではない。   However, in a warehouse that handles a large number of cargo handling vehicles, it is difficult to manage the amount of electric power. A company that conducts environmental accounting has a lot of trouble calculating carbon dioxide. Patent document 1 acquires the remaining amount of the battery, but does not determine the amount of power of the electric vehicle.

特開２００５−３２８６２０号公報JP 2005-328620 A

本発明は、電動車両の充電時に電力量や炭酸ガス換算量を管理するシステムを提供することを目的とする。   An object of this invention is to provide the system which manages the electric energy and the amount of carbon dioxide conversion at the time of charge of an electric vehicle.

本発明の電力管理システムは、電動車両のバッテリの充電時に電力を管理するために、充電器の配線に取り付けられ、バッテリ充電時の電力量を求めて該電力量を炭酸ガス換算量に変換するパワーメータと、前記配線に取り付けられ、充電器のオン・オフをおこなうマグネットコンタクターと、前記電力量および炭酸ガス換算量のデータを収集するコンピュータと、前記充電器のオン・オフを検知し、充電器がオンのときにパワーメータとコンピュータとの間の通信を制御するプログラマブルロジックコントローラとを含む。   The power management system of the present invention is attached to the wiring of a charger in order to manage power when charging a battery of an electric vehicle, obtains the amount of power when charging the battery, and converts the amount of power into a CO2 equivalent amount A power meter, a magnetic contactor attached to the wiring and for turning on / off the charger, a computer for collecting data on the amount of electric power and carbon dioxide equivalent, and detecting on / off of the charger; A programmable logic controller that controls communication between the power meter and the computer when the charger is on.

バッテリの充電時にパワーメータが電力量を求め、この電力量から炭酸ガス換算量を求める。充電時にマグネットコンタクターがオンになることによってプログラマブルロジックコントローラが起動し、電力量などのデータをコンピュータに送信するための制御をおこなう。   When the battery is charged, the power meter obtains the amount of electric power, and the amount of carbon dioxide converted is obtained from this amount of electric power. When the magnetic contactor is turned on during charging, the programmable logic controller is activated and performs control for transmitting data such as electric energy to the computer.

本発明は充電器に取り付けられたパワーメータからコンピュータに電力量などのデータをリアルタイムに収集することができ、電力量などの管理を容易にできる。電動車両の運転技術などの問題点を考える資料を容易に収集することができる。また、そのデータを利用して環境会計をスムーズにおこなうことができる。   According to the present invention, data such as the amount of electric power can be collected in real time from a power meter attached to the charger, and management of the amount of electric power can be facilitated. Materials that consider problems such as driving technology of electric vehicles can be easily collected. Moreover, environmental accounting can be performed smoothly using the data.

次に本発明の電力量の管理システムの実施形態について図面を用いて説明する。電動車両の充電ステーションを例に説明する。電動車両は電動の荷役車両を含む。   Next, an embodiment of the power amount management system of the present invention will be described with reference to the drawings. A charging station for an electric vehicle will be described as an example. The electric vehicle includes an electric cargo handling vehicle.

図１に示す本発明の電力管理システム１０は、充電器（充電ステーション）１２の配線１４に取り付けられたパワーメータ１６、電力量などのデータを収集するコンピュータ１８、パワーメータ１６とコンピュータ１８との通信を制御するプログラマブルロジックコントローラ（以下、ＰＬＣ）２０とを含む。   A power management system 10 of the present invention shown in FIG. 1 includes a power meter 16 attached to a wiring 14 of a charger (charging station) 12, a computer 18 that collects data such as electric energy, a power meter 16 and a computer 18. And a programmable logic controller (hereinafter, PLC) 20 that controls communication.

パワーメータ１６は、充電器１２のバッテリ充電をおこなうための配線１４に取り付けられる。その配線１４は３相交流の配線である。パワーメータ１６は、電流センサＣＴ、電圧計、電力計、電力量計、炭酸ガス換算量を求めるための回路（またはプログラム）を有する。電流センサＣＴと電圧計とで電流値と電圧値とを計測し、電力計により瞬時電力が求められる。さらに電力量計が積算電力量を求める。また、積算電力量から炭酸ガス換算量を求める。例えば、１ｋｗｈ当たり約０．４ｋｇの炭酸ガスとなるようにする。パワーメータ１６にディスプレイを設け、電力量などを表示したりする。その場で電力量を確認することができる。さらに、パワーメータ１６に力率計や周波数計を組み込んで、力率や周波数も計測しても良い。また、電圧値や電流値から他の値を演算によって求めても良い。その他、積算電力量を原油量に換算し、一般的な車両と同じように燃費などを求めても良い。   The power meter 16 is attached to the wiring 14 for charging the battery of the charger 12. The wiring 14 is a three-phase AC wiring. The power meter 16 includes a current sensor CT, a voltmeter, a wattmeter, a watt hour meter, and a circuit (or program) for obtaining a carbon dioxide converted amount. Current value and voltage value are measured by the current sensor CT and the voltmeter, and instantaneous power is obtained by the wattmeter. Furthermore, the watt-hour meter calculates the integrated power amount. In addition, a carbon dioxide equivalent amount is obtained from the integrated power amount. For example, the carbon dioxide gas is about 0.4 kg per 1 kWh. A display is provided in the power meter 16 to display the amount of power. You can check the amount of power on the spot. Furthermore, a power factor meter and a frequency meter may be incorporated in the power meter 16 to measure the power factor and frequency. Also, other values may be obtained from the voltage value or current value by calculation. In addition, the accumulated power amount may be converted into a crude oil amount, and fuel consumption may be obtained in the same manner as a general vehicle.

電力量や炭酸ガス換算量のデータはコンピュータ１８で収集される。コンピュータ１８でそれらのデータを管理することにより、環境会計をスムーズにおこなうことができる。また、電圧値、電流値、瞬時電力のデータも一緒にコンピュータ１８に収集されるようにしても良い。   Data on the amount of electric power and the amount equivalent to carbon dioxide is collected by the computer 18. By managing these data with the computer 18, environmental accounting can be performed smoothly. Further, the data of voltage value, current value, and instantaneous power may be collected together by the computer 18.

パワーメータ１６とコンピュータ１８との間の通信はＰＬＣ２０によって制御される。ＰＬＣ２０は、マイクロプロセッサを有しており、プログラムを書き換えることによってシーケンス制御できる内容を容易に変更できる。配線１４には充電器１２のオン・オフをおこなうマグネットコンタクターＭＣが取り付けられており、そこからの信号によって充電器１２がオンの時に通信をおこなうようにする。充電時以外では不必要な通信はおこなわれない。   Communication between the power meter 16 and the computer 18 is controlled by the PLC 20. The PLC 20 has a microprocessor and can easily change the contents that can be sequence controlled by rewriting the program. A magnetic contactor MC for turning on / off the charger 12 is attached to the wiring 14, and communication is performed when the charger 12 is turned on by a signal from the magnet contactor MC. Unnecessary communication is not performed except during charging.

通信はＲＳ４８５によっておこなう。そのために、パワーメータ１６にはＲＳ４８５通信用ケーブルが接続できるポートを設けておく。また、コンピュータ１８とＰＬＣ２０との間にＲＳ２３２Ｃ／４８５変換器２２を設けて、コンピュータ１８にデータ送信できるようにする。ＰＬＣ２０およびＲＳ４８５によって高速で通信をおこなうことができる。   Communication is performed by RS485. Therefore, the power meter 16 is provided with a port to which an RS485 communication cable can be connected. Further, an RS232C / 485 converter 22 is provided between the computer 18 and the PLC 20 so that data can be transmitted to the computer 18. Communication can be performed at high speed by the PLC 20 and the RS 485.

１台の充電器１２に１個のパワーメータ１６が設けられる。また、１個のＰＬＣ２０に複数のパワーメータ１６が接続される。さらに、１台のコンピュータ１８と複数のＰＬＣ２０が接続される。ＰＬＣ２０とＲＳ４８５通信によってフレキシブルにシステムを組み上げることができる。複数の充電器１２を必要とする事業所であっても１台のコンピュータ１８にデータが集約され、環境会計をおこないやすくする。また、データから炭酸ガス換算量を１日単位や１月単位で集計し、運転技術や移動効率などを向上させるための資料にできる。   One charger 12 is provided with one power meter 16. A plurality of power meters 16 are connected to one PLC 20. Furthermore, one computer 18 and a plurality of PLCs 20 are connected. The system can be flexibly assembled by PLC 20 and RS485 communication. Even in a business establishment that requires a plurality of chargers 12, data is collected in one computer 18 to facilitate environmental accounting. In addition, carbon dioxide equivalents can be tabulated from the data in units of one day or one month, and can be used as data for improving driving skills and travel efficiency.

以上のように本発明は、充電器１２に取り付けられたパワーメータ１６からコンピュータ１８に電力量などのデータをリアルタイムに収集することができ、電力量などの管理を容易にできる。また、そのデータを利用して環境会計をスムーズにおこなうことができる。電動車両の運転技術や移動ルートなどに問題がないかを確認する資料とすることができる。充電器１２が複数になったとしてもＰＬＣ２０のプログラムを書き換えたりすることによって柔軟に対応することができる。   As described above, according to the present invention, data such as the amount of power can be collected in real time from the power meter 16 attached to the charger 12 to the computer 18, and management of the amount of power can be facilitated. Moreover, environmental accounting can be performed smoothly using the data. It can be used as a document for confirming that there is no problem in the driving technology or the travel route of the electric vehicle. Even if there are a plurality of chargers 12, it can be flexibly handled by rewriting the program of the PLC 20.

その他、本発明は、その主旨を逸脱しない範囲で当業者の知識に基づき種々の改良、修正、変更を加えた態様で実施できるものである。   In addition, the present invention can be carried out in a mode in which various improvements, modifications, and changes are added based on the knowledge of those skilled in the art without departing from the spirit of the present invention.

本発明の充電ステーションの電力管理システムを示す図である。It is a figure which shows the electric power management system of the charging station of this invention.

符号の説明Explanation of symbols

１０：電力管理システム
１２：充電器（充電ステーション）
１４：配線
１６：パワーメータ
１８：コンピュータ
２０：ＰＬＣ 10: Power management system 12: Charger (charging station)
14: Wiring 16: Power meter 18: Computer 20: PLC

Claims (3)

電動車両のバッテリの充電時に電力を管理するシステムであって、
充電器の配線に取り付けられ、バッテリ充電時の電力量を求めて該電力量を炭酸ガス換算量に変換するパワーメータと、
前記配線に取り付けられ、充電器のオン・オフをおこなうマグネットコンタクターと、
前記電力量および炭酸ガス換算量のデータを収集するコンピュータと、
前記充電器のオン・オフを検知し、充電器がオンのときにパワーメータとコンピュータとの間の通信を制御するプログラマブルロジックコントローラと、
を含む電力管理システム。 A system for managing power when charging a battery of an electric vehicle,
A power meter that is attached to the wiring of the charger and calculates the amount of electric power at the time of battery charging and converts the amount of electric power into a carbon dioxide equivalent amount; and
A magnetic contactor attached to the wiring and for turning the charger on and off;
A computer that collects data on the amount of electric power and the equivalent amount of carbon dioxide;
A programmable logic controller that detects on / off of the charger and controls communication between the power meter and the computer when the charger is on;
Including power management system. １個のプログラマブルロジックコントローラに複数のパワーメータが接続され、１台のコンピュータと複数のプログラマブルロジックコントローラが接続される請求項１の電力管理システム。 The power management system according to claim 1, wherein a plurality of power meters are connected to one programmable logic controller, and one computer and a plurality of programmable logic controllers are connected. 前記通信がＲＳ４８５通信である請求項１または２の電力管理システム。 The power management system according to claim 1 or 2, wherein the communication is RS485 communication.
JP2007271907A 2007-10-19 2007-10-19 Power management system of charging station Pending JP2009100606A (en)

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CN102205800A (en) * 2011-02-25 2011-10-05 南京华博科技有限公司 Intelligent battery management system of electric car
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