JP5906469B2 - Charge control device - Google Patents

Charge control device Download PDF

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JP5906469B2
JP5906469B2 JP2011255959A JP2011255959A JP5906469B2 JP 5906469 B2 JP5906469 B2 JP 5906469B2 JP 2011255959 A JP2011255959 A JP 2011255959A JP 2011255959 A JP2011255959 A JP 2011255959A JP 5906469 B2 JP5906469 B2 JP 5906469B2
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branch
current
charging
switch
distribution board
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JP2013110919A (en
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小林　美佐世
美佐世 小林
飯田　享
享 飯田
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Panasonic Intellectual Property Management Co Ltd
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Priority to KR1020120132069A priority patent/KR101445934B1/en
Priority to CN201210483623.XA priority patent/CN103138331B/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
    • 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
    • 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
    • B60L3/04—Cutting off the power supply under fault conditions
    • 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
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T90/12—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
    • 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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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Description

本発明は、電気自動車などの車両に搭載されている蓄電池の充電を制御する充電制御装置に関する。   The present invention relates to a charging control device that controls charging of a storage battery mounted on a vehicle such as an electric vehicle.

近年、蓄電池とモータを搭載した電気自動車やプラグインハイブリッド自動車などの車両が普及しつつある。そして、集合住宅や事業所などにおいては多数の車両が同時に充電されるため、他の負荷機器と合わせた消費電力が規定値を超えて分電盤の主幹ブレーカがトリップしてしまう虞がある。   In recent years, vehicles such as electric vehicles and plug-in hybrid vehicles equipped with storage batteries and motors are becoming popular. And since many vehicles are charged simultaneously in an apartment house, a business office, etc., there exists a possibility that the main breaker of a distribution board may trip because the power consumption combined with other load equipment exceeds a regulation value.

これに対して特許文献１に記載されている従来例では、各車両と外部電源とが結合されたときの蓄電装置の蓄電状態を検出し、複数台の車両の各々について、予想消費電力量並びに使用開始時刻を検出するとともに、検出された蓄電状態と予想消費電力量とに基づいて必要な充電電力量を算出し、必要充電量と使用開始時刻から各車両の充電時間と充電電力量についての充電スケジュールを決定し、充電スケジュールに基づいて車両に搭載された蓄電装置を充電する制御を行なっている。   On the other hand, in the conventional example described in Patent Document 1, the power storage state of the power storage device when each vehicle and an external power source are coupled is detected, and the predicted power consumption amount and the In addition to detecting the use start time, the required charge power amount is calculated based on the detected power storage state and the predicted power consumption amount. Control is performed to determine a charging schedule and charge a power storage device mounted on the vehicle based on the charging schedule.

特開２００９−１３６１０９号公報JP 2009-136109 A

ところで、特許文献１記載の従来例では、分電盤で分岐される分岐回路の１つに充電制御装置が接続されている。しかしながら、既存の集合住宅に新たに電気自動車用の充電設備が導入される場合、通常、充電設備専用の分岐回路を確保することが難しいため、複数の分岐回路から並行して充電設備に給電する必要がある。   By the way, in the conventional example described in Patent Document 1, the charge control device is connected to one of the branch circuits branched by the distribution board. However, when a new charging facility for an electric vehicle is introduced into an existing apartment building, it is usually difficult to secure a branch circuit dedicated to the charging facility, so power is supplied to the charging facility in parallel from a plurality of branch circuits. There is a need.

しかしながら、特許文献１記載の従来例では、分電盤の複数の分岐回路から並行して給電されることは考慮されておらず、このような場合においては過負荷電流による主幹ブレーカ(主開閉器)のトリップを防ぐことが困難であった。   However, in the conventional example described in Patent Document 1, it is not considered that power is supplied in parallel from a plurality of branch circuits of the distribution board. In such a case, the main breaker (main switch) due to overload current is not considered. ) It was difficult to prevent trips.

本発明は、上記課題に鑑みて為されたものであり、複数の分岐回路から並行して給電される場合においても過負荷電流による主開閉器のトリップを防ぐことを目的とする。   The present invention has been made in view of the above problems, and an object of the present invention is to prevent a trip of a main switch due to an overload current even when power is supplied in parallel from a plurality of branch circuits.

本発明の充電制御装置は、主分電盤の主開閉器で分岐された複数の分岐回路を含む複数の充電経路を各別に開閉する複数のスイッチ要素と、前記スイッチ要素を経由して車両に供給される電流を各別に計測する複数の電流計測手段と、前記分岐回路と前記スイッチ要素の対応関係を記憶した記憶手段と、前記電流計測手段で計測される電流値が所定の上限値を超過しないように前記スイッチ要素を開閉する制御手段とを備え、前記主開閉器は、前記主分電盤が備える複数の分岐開閉器の１次側に接続され、前記主分電盤の複数の前記分岐開閉器の２次側は、前記主分電盤の下流側に設けられた副分電盤が備える複数の分岐開閉器の１次側にそれぞれ接続され、前記副分電盤の複数の前記分岐開閉器の２次側は、複数の前記スイッチ要素にそれぞれ接続されることを特徴とする。 Charge control device of the present invention includes a plurality of switching element for opening and closing a plurality of charging paths to each other, including a plurality of branch circuits branched by the main switch of the main distribution board, the vehicle via the switch element A plurality of current measuring means for measuring the supplied current separately, a storage means for storing a correspondence relationship between the branch circuit and the switch element, and a current value measured by the current measuring means exceeds a predetermined upper limit value Control means for opening and closing the switch element so that the main switch is connected to a primary side of a plurality of branch switches provided in the main distribution board, a plurality of the main distribution board The secondary side of the branch switch is connected to the primary side of the plurality of branch switches provided in the sub-distribution panel provided on the downstream side of the main distribution panel, and the plurality of the sub-distribution panels The secondary side of the branch switch is connected to a plurality of the switch elements. Characterized in that it is being connected.

この充電制御装置において、複数の前記分岐回路に流れる電流を各別に計測する複数の分岐電流計測手段を備え、前記制御手段は、前記分岐電流計測手段で計測される電流値が所定の分岐電流上限値を超過しないように前記スイッチ要素を開閉することが好ましい。   The charging control device includes a plurality of branch current measuring means for separately measuring the currents flowing through the plurality of branch circuits, and the control means has a current value measured by the branch current measuring means with a predetermined branch current upper limit. It is preferable to open and close the switch element so as not to exceed the value.

この充電制御装置において、前記主分電盤への入力電力を計測する入力電力計測手段を備え、前記記憶手段は、前記入力電力の上限値と、複数の前記分岐回路に対する優先順位とを記憶しており、前記制御手段は、前記入力電力計測手段の計測値と前記上限値との差分から同時に充電可能な車両台数を求め、前記優先順位が高い方の充電経路に挿入されている前記スイッチ要素から順番に閉成することが好ましい。 The charging control device includes input power measuring means for measuring input power to the main distribution board, and the storage means stores an upper limit value of the input power and a priority order for the plurality of branch circuits. The control means obtains the number of vehicles that can be charged simultaneously from the difference between the measured value of the input power measuring means and the upper limit value, and is inserted into the charging path with the higher priority order. It is preferable to close in order.

この充電制御装置において、前記主分電盤への入力電力を計測する入力電力計測手段を備え、前記記憶手段は、前記入力電力の上限値と、複数の前記スイッチ要素に対する優先順位とを記憶しており、前記制御手段は、前記入力電力計測手段の計測値と前記上限値との差分から同時に充電可能な車両台数を求め、前記優先順位が高い方の前記スイッチ要素から順番に閉成することが好ましい。 The charging control device includes input power measuring means for measuring input power to the main distribution board, and the storage means stores an upper limit value of the input power and a priority order for the plurality of switch elements. The control means obtains the number of vehicles that can be charged simultaneously from the difference between the measured value of the input power measuring means and the upper limit value, and closes the switch elements in order from the higher priority switch element. Is preferred.

この充電制御装置において、前記記憶手段に記憶される前記優先順位を動的に変更する優先順位変更手段を備えることが好ましい。   This charging control apparatus preferably includes priority order changing means for dynamically changing the priority order stored in the storage means.

この充電制御装置において、複数の前記充電経路のうちで前記制御手段によって前記スイッチ要素が閉成されている前記充電経路を表示する表示手段を備えることが好ましい。   The charging control device preferably includes display means for displaying the charging path in which the switch element is closed by the control means among the plurality of charging paths.

本発明の充電制御装置は、複数の分岐回路から並行して給電される場合においても過負荷電流による主開閉器のトリップを防ぐことができるという効果がある。   The charge control device of the present invention has an effect that it is possible to prevent a trip of the main switch due to an overload current even when power is supplied in parallel from a plurality of branch circuits.

(ａ)は本発明に係る充電制御装置を含む充電システムのシステム構成図、(ｂ)は本発明に係る充電制御装置の実施形態１を示すブロック図である。(a) is a system configuration diagram of a charging system including a charging control device according to the present invention, and (b) is a block diagram showing a first embodiment of the charging control device according to the present invention. 本発明に係る充電制御装置の実施形態２を含む充電システムのシステム構成図である。It is a system block diagram of the charging system containing Embodiment 2 of the charging control apparatus which concerns on this invention. 本発明に係る充電制御装置の実施形態３を含む充電システムのシステム構成図である。It is a system block diagram of the charging system containing Embodiment 3 of the charging control apparatus which concerns on this invention. 本発明に係る充電制御装置の実施形態４を含む充電システムのシステム構成図である。It is a system block diagram of the charging system containing Embodiment 4 of the charging control apparatus which concerns on this invention.

(実施形態１)
本実施形態の充電制御装置１を含む充電システムのシステム構成を図１(ａ)に示す。この充電システムは、集合住宅や事業所などの建物において、複数台の車両(電気自動車やプラグインハイブリッド自動車など)にそれぞれ搭載されている蓄電池(図示せず)を充電するためのものである。 (Embodiment 1)
A system configuration of a charging system including the charging control device 1 of the present embodiment is shown in FIG. This charging system is for charging a storage battery (not shown) mounted on each of a plurality of vehicles (such as an electric vehicle and a plug-in hybrid vehicle) in a building such as an apartment house or a business office.

建物においては、商用の交流電力系統(以下、電力系統と略す。)から交流電力が供給される電灯線４が分電盤２の主開閉器20の１次側に接続され、主開閉器20の２次側に複数の分岐開閉器21i(i=1，2，…，n)が分岐接続されている。なお、以下では主開閉器20並びに分岐開閉器21iを備える分電盤２を主分電盤２と呼ぶ。 In a building, a power line 4 to which AC power is supplied from a commercial AC power system (hereinafter abbreviated as a power system) is connected to the primary side of the main switch 20 of the distribution board 2, and the main switch 20 A plurality of branch switches 21 i (i = 1, 2,..., N) are branched and connected to the secondary side of the. Hereinafter, the distribution board 2 including the main switch 20 and the branch switch 21 i is referred to as the main distribution board 2.

さらに、主分電盤２の下流側に副分電盤３が設けられ、副分電盤３に充電制御装置１が設置されている。副分電盤３は、主分電盤２の相異なる複数(図示例では３つ)の分岐開閉器21iの２次側にそれぞれ１次側が接続された複数(図示例では３つ)の分岐開閉器30i(i=1，2，3)を備える。ここで、各分岐開閉器30iの２次側には、スイッチ要素に相当するリモコンリレーRRij(j=1，2，3，4)を介して複数の充電コンセント(図示せず)がそれぞれ分岐接続されている。充電コンセントとは、車両に充電するための充電ケーブルが接続される専用のコンセントである。ただし、スイッチ要素はリモコンリレーに限定されるものではなく、遠隔制御によって電路の開閉が可能な別種の開閉器(例えば、リモコンブレーカなど)であっても構わない。 Further, a sub-distribution panel 3 is provided on the downstream side of the main distribution panel 2, and the charging control device 1 is installed on the sub-distribution panel 3. The sub-distribution panel 3 has a plurality (three in the illustrated example) of which the primary side is connected to the secondary side of a plurality of (three in the illustrated example) branch switches 21 i different from the main distribution panel 2. A branch switch 30 i (i = 1, 2, 3) is provided. Here, a plurality of charging outlets (not shown) are provided on the secondary side of each branch switch 30 i via remote control relays RR ij (j = 1, 2, 3, 4) corresponding to switch elements. Branch connected. The charging outlet is a dedicated outlet to which a charging cable for charging the vehicle is connected. However, the switch element is not limited to the remote control relay, and may be another type of switch (for example, a remote control breaker) that can open and close the electric circuit by remote control.

充電制御装置１は、図１(ｂ)に示すように制御部10、電流計測部11、リモコンリレー駆動部12、記憶部13、電流センサCTij、リモコンリレーRRijなどを備えている。電流センサCTijは、各リモコンリレーRRijの負荷側(充電コンセント側)にそれぞれ設けられている。電流計測部11は、電流センサCTijを用いてリモコンリレーRRijを介して充電コンセント(車両)に供給される電流(充電電流)の大きさ(電流値)を各別に計測し、アナログ値からディジタル値(電流値データ)に変換して制御部10に出力する。なお、制御部10では電流計測部11から受け取った各リモコンリレーRRij毎の電流値を時系列で記憶部13に記憶させる。記憶部13はフラッシュメモリなどの電気的に書換可能な不揮発性の半導体メモリからなり、電流計測部11の電流値データの他にも、副分電盤３の各分岐回路(分岐開閉器30i)とリモコンリレーRRijとの対応関係(接続関係)や副分電盤３の各分岐回路毎の電流値の上限値などを記憶している。なお、副分電盤３の各分岐回路毎の電流値の上限値は、副分電盤３の各分岐回路(分岐開閉器30i)が２次側に接続されている主分電盤２の分岐開閉器21iの定格電流値又は定格電流値の80％の値などに設定される。 As shown in FIG. 1B, the charging control device 1 includes a control unit 10, a current measurement unit 11, a remote control relay driving unit 12, a storage unit 13, a current sensor CT ij , a remote control relay RR ij , and the like. The current sensor CT ij is provided on the load side (charging outlet side) of each remote control relay RR ij . The current measuring unit 11 individually measures the magnitude (current value) of the current (charging current) supplied to the charging outlet (vehicle) via the remote control relay RR ij using the current sensor CT ij, and determines from the analog value It is converted into a digital value (current value data) and output to the control unit 10. The control unit 10 stores the current value for each remote control relay RR ij received from the current measurement unit 11 in the storage unit 13 in time series. The storage unit 13 is composed of an electrically rewritable non-volatile semiconductor memory such as a flash memory. In addition to the current value data of the current measurement unit 11, each storage circuit 13 includes each branch circuit (branch switch 30 i ) And the remote control relay RR ij and the upper limit value of the current value for each branch circuit of the sub-distribution panel 3 are stored. The upper limit value of the current value for each branch circuit of the sub-distribution panel 3 is the main distribution panel 2 to which each branch circuit (branch switch 30 i ) of the sub-distribution panel 3 is connected to the secondary side. Is set to the rated current value of the branch switch 21 i or 80% of the rated current value.

制御部10は、リモコンリレー駆動部12を介して各リモコンリレーRRijを遠隔制御することにより、各充電コンセントへの充電経路を各別に開閉して各車両の充電を入・切する。リモコンリレー駆動部12は、制御部10からの指令に応じて各リモコンリレーRRijに制御信号を出力することにより、各リモコンリレーRRijを開成及び閉成する。なお、制御部10は、ＣＰＵ(中央演算処理装置)やメモリなどのハードウェアと、種々の処理を行うためのソフトウェア(プログラム)とで構成されている。 The control unit 10 remotely controls each remote control relay RR ij via the remote control relay drive unit 12, thereby opening / closing the charging path to each charging outlet and turning on / off charging of each vehicle. The remote control relay driving unit 12 opens and closes each remote control relay RR ij by outputting a control signal to each remote control relay RR ij according to a command from the control unit 10. The control unit 10 includes hardware such as a CPU (Central Processing Unit) and a memory, and software (program) for performing various processes.

制御部10の制御動作について、さらに詳しく説明する。制御部10は、電流計測部11で計測される各リモコンリレーRRij毎の電流値に基づき、各分岐回路(分岐開閉器30i)に流れる電流値が上限値を超過しないようにリモコンリレー駆動部12を介して各リモコンリレーRRijを遠隔制御する。例えば、副分電盤３の３つの分岐回路(分岐開閉器301，302，303)の電流値の上限値が40アンペアに設定されており、１台の車両を充電する際の電流値が15アンペアと仮定すると、１つの分岐回路毎に２台の車両までなら同時に充電することが可能である。故に、制御部10は、１つの分岐回路に分岐接続されている４つのリモコンリレーRRijを同時に２つまでしか閉成させないので、１つの分岐回路に分岐接続されている３つ以上のリモコンリレーRRijが同時に閉成して分岐開閉器30iがトリップすることを回避できる。さらに、各分岐開閉器30i毎の電流値が上限値を超過しないように制御部10がリモコンリレーRRijを遠隔制御することにより、複数の分岐回路(分岐開閉器211，212，213)から並行して給電される場合においても過負荷電流による主開閉器20のトリップを防ぐことができる。 The control operation of the control unit 10 will be described in more detail. Based on the current value for each remote control relay RR ij measured by the current measurement unit 11, the control unit 10 drives the remote control relay so that the current value flowing through each branch circuit (branch switch 30 i ) does not exceed the upper limit value. Each remote control relay RR ij is remotely controlled via the unit 12. For example, the upper limit value of the current value of the three branch circuits (branch switches 30 1 , 30 2 , 30 3 ) of the sub-distribution panel 3 is set to 40 amperes, and the current for charging one vehicle Assuming a value of 15 amps, it is possible to charge up to two vehicles per branch circuit simultaneously. Therefore, since the control unit 10 closes only two remote control relays RR ij branchingly connected to one branch circuit at the same time, three or more remote control relays branchingly connected to one branch circuit. It can be avoided that RR ij is closed at the same time and the branch switch 30 i trips. Further, the control unit 10 remotely controls the remote control relay RR ij so that the current value for each branch switch 30 i does not exceed the upper limit value, so that a plurality of branch circuits (branch switches 21 1 , 21 2 , 21 Even when power is supplied in parallel from 3 ), tripping of the main switch 20 due to overload current can be prevented.

なお、記憶部13に記憶させる代わりに、分岐開閉器30iやリモコンリレーRRijに搭載されるディップスイッチの値を制御部10が読み込み、その値から各分岐回路とリモコンリレーRRijとの対応関係や電流値の上限値が設定されてもよい。 Instead of storing in the storage unit 13, the value of the DIP switch mounted on the breaker switch 30 i and remote relay RR ij reading control unit 10, the correspondence between each branch circuit and the remote relay RR ij from that value An upper limit value of the relationship or current value may be set.

(実施形態２)
本実施形態の充電制御装置１を含む充電システムのシステム構成図を図２に示す。ただし、本実施形態の充電制御装置１の構成は基本的に実施形態１と共通であるから、共通の構成要素には同一の符号を付して適宜図示並びに説明を省略する。 (Embodiment 2)
A system configuration diagram of a charging system including the charging control apparatus 1 of the present embodiment is shown in FIG. However, since the configuration of the charging control device 1 of the present embodiment is basically the same as that of the first embodiment, the same components are denoted by the same reference numerals, and illustration and description thereof are omitted as appropriate.

本実施形態は、副分電盤３に接続されている主分電盤２の３つの分岐開閉器211〜213の１次側に電流センサCTk(k=1，2，3)が設けられ、各電流センサCTkの計測値(分岐電流値)が上限値を超過しないように、制御部10がリモコンリレーRRijを遠隔制御する点に特徴がある。 In the present embodiment, current sensors CTk (k = 1, 2, 3) are provided on the primary side of the three branch switches 21 1 to 21 3 of the main distribution board 2 connected to the sub-distribution board 3. The control unit 10 remotely controls the remote control relay RR ij so that the measured value (branch current value) of each current sensor CTk does not exceed the upper limit value.

実施形態１においては、主分電盤２の複数の分岐回路(分岐開閉器21i)が副分電盤３に接続されるものと副分電盤３以外の共用部負荷に接続されるものとに区別されている。このため、充電制御装置１の制御部10はリモコンリレーRRijに流れる電流値が上限値を超えないようにリモコンリレーRRijを遠隔制御すればよかった。 In the first embodiment, a plurality of branch circuits (branch switches 21 i ) of the main distribution board 2 are connected to the sub-distribution board 3 and connected to a common section load other than the sub-distribution board 3 And are distinguished. For this reason, the control unit 10 of the charging control device 1 has only to remotely control the remote control relay RR ij so that the current value flowing through the remote control relay RR ij does not exceed the upper limit value.

これに対して本実施形態における充電システムは、図２に示すように主分電盤２の複数の分岐回路(分岐開閉器21i)が副分電盤３と共用部負荷の両方に接続され、１つの分岐回路から副分電盤３と共用部負荷に同時に給電される可能性がある。そのため、実施形態１のように、制御部10が副分電盤３の分岐回路(リモコンリレーRRij)に流れる電流値のみに基づいてリモコンリレーRRijを遠隔制御していると、共用部負荷の消費電力の増加によって主分電盤２の主開閉器20や分岐開閉器21iがトリップする虞がある。 On the other hand, in the charging system in this embodiment, as shown in FIG. 2, a plurality of branch circuits (branch switches 21 i ) of the main distribution board 2 are connected to both the sub-distribution board 3 and the common part load. There is a possibility that power is simultaneously supplied to the sub-distribution panel 3 and the shared section load from one branch circuit. Therefore, as in the first embodiment, when the control unit 10 remotely controls the remote control relay RR ij based only on the value of the current flowing through the branch circuit (remote control relay RR ij ) of the sub-distribution panel 3, There is a risk that the main switch 20 and the branch switch 21 i of the main distribution board 2 may trip due to the increase in power consumption.

そこで本実施形態では、図２に示すように副分電盤３に接続されている３つの分岐開閉器211〜213の１次側に電流センサCT1，CT2，CT3が設けられている。そして、制御部10が、各分岐開閉器211〜213の電流値(分岐電流値)が分岐電流上限値を超過しないようにリモコンリレーRRijを遠隔制御することにより、主分電盤２の主開閉器20や分岐開閉器21iのトリップを防止している。ただし、電灯線４が単相３線であり、車両への給電が単相２００ボルト、共用部負荷への給電が単相１００ボルトである場合、電流だけでなく電圧及び電力を計測することが望ましいが、本実施形態では説明を簡単にするために電流のみを計測することとする。 Therefore, in the present embodiment, current sensors CT1, CT2, and CT3 are provided on the primary side of the three branch switches 21 1 to 21 3 connected to the sub-distribution panel 3 as shown in FIG. The control unit 10 remotely controls the remote control relay RR ij so that the current values (branch current values) of the branch switches 21 1 to 21 3 do not exceed the branch current upper limit value. This prevents tripping of the main switch 20 and the branch switch 21 i . However, when the power line 4 is a single-phase three-wire, the power supply to the vehicle is a single-phase 200 volts, and the common-section load is a single-phase 100 volts, not only the current but also the voltage and power can be measured. Although desirable, in this embodiment, only the current is measured for the sake of simplicity.

制御部10は、電流計測部11で計測される主分電盤２の各分岐開閉器211〜213毎の分岐電流値が上限値を超過しないようにリモコンリレー駆動部12を介して各リモコンリレーRRijを遠隔制御する。例えば、主分電盤２の３つの分岐開閉器211〜213の分岐電流値の上限値(分岐上限値)が60アンペアに設定されており、１台の車両を充電する際の電流値が15アンペアと仮定する。この分岐上限値は、副分電盤３の各分岐開閉器30i毎の上限値並びに主分電盤２の各分岐開閉器211〜213と副分電盤３の各分岐開閉器301〜303の対応関係(接続関係)とともに記憶部13に記憶される。 The control unit 10 controls each of the branch switches 21 1 to 21 3 of the main distribution board 2 measured by the current measurement unit 11 via the remote control relay drive unit 12 so that the branch current value does not exceed the upper limit value. Remote control the remote control relay RR ij . For example, the upper limit value (branch upper limit value) of the branch current values of the three branch switches 21 1 to 21 3 of the main distribution board 2 is set to 60 amperes, and the current value when charging one vehicle Is assumed to be 15 amps. This branch upper limit value is the upper limit value for each branch switch 30 i of the sub-distribution panel 3 and each branch switch 21 1 to 21 3 of the main distribution panel 2 and each branch switch 30 of the sub-distribution panel 3. It is stored in the storage unit 13 together with the corresponding relationship (connection relationship) 1 to 30 3 .

而して、分岐開閉器21iに接続されている共用部負荷の消費電流が０〜30アンペアのときは１つの分岐開閉器21i毎に２台の車両まで同時に充電でき、共用部負荷の消費電流が31〜45アンペアのときは１台の車両のみ充電できる。そして、共用部負荷の消費電流が46アンペア以上のときは、その分岐開閉器21iから車両への充電はできない。故に、分岐電流値(共用部負荷の消費電流と車両の充電電流の合計値)が上限値(60アンペア)を超過しないように制御部10がリモコンリレーRRijを遠隔制御すれば、共用部負荷の消費電力の増加によって主分電盤２の主開閉器20や分岐開閉器21iがトリップすることを回避できる。 Thus, when the current consumption of the common section load connected to the branch switch 21 i is 0 to 30 amperes, it is possible to charge up to two vehicles simultaneously for each branch switch 21 i . When the current consumption is 31 to 45 amps, only one vehicle can be charged. When the current consumed by the shared portion load is 46 amperes or more, the vehicle cannot be charged from the branch switch 21 i . Therefore, if the control unit 10 remotely controls the remote control relay RR ij so that the branch current value (the sum of the consumption current of the common unit load and the charging current of the vehicle) does not exceed the upper limit (60 amps), the common unit load It is possible to avoid the main switch 20 and the branch switch 21 i of the main distribution board 2 from tripping due to the increase in power consumption.

なお、記憶部13に記憶させる代わりに、分岐開閉器21iに搭載されるディップスイッチの値を制御部10が読み込み、その値から主分電盤２の各分岐回路と副分電盤３の各分岐回路との対応関係や分岐電流値の上限値が設定されてもよい。 Instead of storing in the storage unit 13, the control unit 10 reads the value of the dip switch mounted on the branch switch 21 i, and from that value, each branch circuit of the main distribution board 2 and the sub distribution panel 3. The correspondence with each branch circuit and the upper limit value of the branch current value may be set.

(実施形態３)
本実施形態の充電制御装置１を含む充電システムのシステム構成図を図３に示す。ただし、本実施形態の充電制御装置１の構成は基本的に実施形態２と共通であるから、共通の構成要素には同一の符号を付して適宜図示並びに説明を省略する。 (Embodiment 3)
FIG. 3 shows a system configuration diagram of a charging system including the charging control device 1 of the present embodiment. However, since the configuration of the charging control apparatus 1 of the present embodiment is basically the same as that of the second embodiment, the same components are denoted by the same reference numerals, and illustration and description thereof are omitted as appropriate.

本実施形態が実施形態２と異なる点は、副分電盤３の分岐回路に分岐開閉器30iが挿入されておらず、主分電盤２の分岐開閉器211〜213の２次側に複数(図示例では４つ)のリモコンリレーRRijが直接分岐接続されている点にある。したがって、充電制御装置１の記憶部13には、主分電盤２の各分岐開閉器211〜213と副分電盤３の各分岐開閉器301〜303の対応関係(接続関係)の代わりに、主分電盤２の各分岐開閉器211〜213と副分電盤３の各リモコンリレーRRijの対応関係(接続関係)が記憶されている。 This embodiment is different from the second embodiment in that the branch switch 30 i is not inserted in the branch circuit of the sub-distribution panel 3 and the secondary switches 21 1 to 21 3 of the main distribution panel 2 are secondary. A plurality (four in the illustrated example) of remote control relays RR ij are directly branched and connected to the side. Accordingly, the storage unit 13 of the charging control device 1 has a correspondence relationship (connection relationship) between the branch switches 21 1 to 21 3 of the main distribution panel 2 and the branch switches 30 1 to 30 3 of the sub distribution panel 3. ), The correspondence (connection relationship) between the branch switches 21 1 to 21 3 of the main distribution board 2 and the remote control relays RR ij of the sub distribution board 3 is stored.

而して、分岐電流値(共用部負荷の消費電流と車両の充電電流の合計値)が上限値を超過しないように制御部10がリモコンリレーRRijを遠隔制御することにより、共用部負荷の消費電力の増加によって主分電盤２の主開閉器20や分岐開閉器21iがトリップすることを回避できる。 Thus, the control unit 10 remotely controls the remote control relay RR ij so that the branch current value (the sum of the consumption current of the common unit load and the charging current of the vehicle) does not exceed the upper limit value. It is possible to avoid tripping of the main switch 20 and the branch switch 21 i of the main distribution board 2 due to an increase in power consumption.

なお、記憶部13に記憶させる代わりに、分岐開閉器21iに搭載されるディップスイッチの値を制御部10が読み込み、その値から主分電盤２の各分岐回路と副分電盤３の各リモコンリレーRRijとの対応関係や分岐電流値の上限値が設定されてもよい。 Instead of storing in the storage unit 13, the control unit 10 reads the value of the dip switch mounted on the branch switch 21 i, and from that value, each branch circuit of the main distribution board 2 and the sub distribution panel 3. The correspondence with each remote control relay RR ij and the upper limit value of the branch current value may be set.

(実施形態４)
本実施形態の充電制御装置１を含む充電システムのシステム構成図を図４に示す。ただし、本実施形態の充電制御装置１の構成は基本的に実施形態２と共通であるから、共通の構成要素には同一の符号を付して適宜図示並びに説明を省略する。 (Embodiment 4)
FIG. 4 shows a system configuration diagram of a charging system including the charging control device 1 of the present embodiment. However, since the configuration of the charging control apparatus 1 of the present embodiment is basically the same as that of the second embodiment, the same components are denoted by the same reference numerals, and illustration and description thereof are omitted as appropriate.

実施形態１〜３においては、共用部負荷の消費電力の増加によって主分電盤２の主開閉器20や分岐開閉器21iがトリップすることを回避できるものの、電力会社との契約電力を増やさなければならない可能性が高い。 In the first to third embodiments, it is possible to avoid tripping of the main switch 20 and the branch switch 21 i of the main distribution board 2 due to an increase in the power consumption of the shared section load, but the contract power with the power company is increased. There is a high possibility of having to.

そこで本実施形態では、主分電盤２への入力電力を計測する入力電力計測手段を備え、入力電力の上限値(例えば、電力会社との契約電力)と、複数の分岐回路(分岐開閉器21i)に対する優先順位とを記憶部13に記憶している。そして、制御部10は、入力電力計測手段の計測値と上限値との差分から同時に充電可能な車両台数を求め、優先順位が高い方の充電経路に挿入されているスイッチ要素(リモコンリレーRRij)から順番に閉成するようにしている。これにより、主分電盤２への入力電力が電力会社との契約電力を超過することが回避できる。ただし、実施形態１〜３と同様に、本実施形態においても電力の計測値の代わりに電流の計測値を用いており、入力電力計測手段は、電灯線４に流れる電流を計測する電流センサCT0、あるいは、各分岐開閉器211〜21nに流れる電流を計測する電流センサCT1〜CTnで実現される。つまり、電流センサCT0で主分電盤２への入力電力(入力電流)を直接計測してもよいし、ｎ個の電流センサCT1〜CTnで計測される分岐電流の総和から主分電盤２への入力電力(入力電流)を算出しても構わない。 Therefore, in the present embodiment, input power measuring means for measuring the input power to the main distribution board 2 is provided, and an upper limit value of the input power (for example, contract power with the power company) and a plurality of branch circuits (branch switches) The priority order for 21 i ) is stored in the storage unit 13. Then, the control unit 10 obtains the number of vehicles that can be charged simultaneously from the difference between the measured value of the input power measuring means and the upper limit value, and switches elements (remote control relays RR ij ) inserted in the charging path with the higher priority. ) In order. Thereby, it is possible to avoid that the input power to the main distribution board 2 exceeds the contract power with the power company. However, as in the first to third embodiments, the current measurement value is used instead of the power measurement value in the present embodiment, and the input power measurement means is a current sensor CT0 that measures the current flowing through the lamp line 4. Alternatively, it is realized by current sensors CT1 to CTn that measure currents flowing through the branch switches 21 1 to 21 n . That is, the input power (input current) to the main distribution board 2 may be directly measured by the current sensor CT0, or the main distribution board 2 may be calculated from the sum of the branch currents measured by the n current sensors CT1 to CTn. The input power (input current) may be calculated.

ここで、電力会社との契約電力が30kVAと仮定すると、電源電圧が200ボルトであれば電流の上限値は150アンペアとなる。また、主分電盤２の分岐上限値が60アンペア、副分電盤３の３つの分岐回路(分岐開閉器301，302，303)の電流値の上限値が40アンペアに設定され、１台の車両を充電する際の電流値が15アンペアと仮定する。さらに、副分電盤３に接続されている複数(図示例では３つ)の分岐開閉器211〜213に対して１，２，３の優先順位が設定されているものとする。 Here, assuming that the contract power with the power company is 30 kVA, if the power supply voltage is 200 volts, the upper limit value of the current is 150 amperes. In addition, the upper branch limit of the main distribution board 2 is set to 60 amps, and the upper limit value of the current values of the three branch circuits (branch switches 30 1 , 30 2 , 30 3 ) of the sub distribution board 3 are set to 40 amps. Assume that the current value for charging one vehicle is 15 amperes. Furthermore, it is assumed that priority orders 1 , 2, and 3 are set for a plurality (three in the illustrated example) of branch switches 21 1 to 21 3 connected to the sub-distribution panel 3.

例えば、主分電盤２への入力電流が100アンペアであったとすると、制御部10は、電流の上限値(150アンペア)と入力電流の計測値(100アンペア)の差(50アンペア)を求め、この差(余裕分)を優先順位の高い(数値の小さい)分岐開閉器211〜213から順番に割り当てる。優先順位が１位の分岐開閉器211に接続されている共用部負荷の消費電流が40アンペアの場合、分岐上限値の60アンペアと40アンペアの差が20アンペアであるから、車両１台の充電が可能である。また優先順位が２位の分岐開閉器212に接続されている共用部負荷の消費電流が20アンペアの場合、分岐上限値の60アンペアと20アンペアの差が40アンペアであるから、同時に２台の車両の充電が可能である。そして、合計３台の車両が同時に充電されると45アンペアが消費されるから、50アンペアと45アンペアの差(5アンペア)が余裕分となる。故に、制御部10は、リモコンリレー駆動部12を介して分岐開閉器211の下流側に接続されている４つのリモコンリレーRR1jのうちの１つと、分岐開閉器212の下流側に接続されている４つのリモコンリレーRR2jのうちの２つを閉成して合計３台の車両を充電させる。ただし、車両の充電が終了する前に、充電開始から一定時間が経過した時点で制御部10が次の優先順位の分岐開閉器213に接続されているリモコンリレーRR3jを閉成してもよい。 For example, if the input current to the main distribution board 2 is 100 amperes, the control unit 10 calculates the difference (50 amperes) between the upper limit value of the current (150 amperes) and the measured value of the input current (100 amperes). The difference (margin) is assigned in order from the branch switches 21 1 to 21 3 having higher priority (smaller numerical values). When the current consumption of the common load connected to the branch switch 21 1 with the highest priority is 40 amperes, the difference between the 60 ampere branch limit and 40 amperes is 20 amperes. Charging is possible. In addition, when the current consumption of the common load connected to the branch switch 21 2 with the second highest priority is 20 amps, the difference between 60 amps and 20 amps of the branch upper limit is 40 amps. The vehicle can be charged. And if a total of three vehicles are charged at the same time, 45 amps are consumed, so the difference between 50 amps and 45 amps (5 amps) is a margin. Therefore, the control unit 10 is connected to one of the four remote control relays RR 1j connected to the downstream side of the branch switch 21 1 via the remote control relay drive unit 12 and the downstream side of the branch switch 21 2. Two of the four remote control relays RR 2j are closed to charge a total of three vehicles. However, before the charging of the vehicle is completed, even if close the remote control relay RR 3j which the control unit 10 when a predetermined time has elapsed from the start of charging is connected to the branch switch 21 3 the next priority Good.

上述のように本実施形態によれば、電力会社との契約電力を増やさずに過負荷電流による主開閉器20や分岐開閉器21i，30iのトリップを防ぐことができる。 As described above, according to the present embodiment, tripping of the main switch 20 and the branch switches 21 i and 30 i due to overload current can be prevented without increasing contract power with the power company.

ここで、主分電盤２の分岐開閉器21iに対して優先順位が設定される代わりに、副分電盤３の各リモコンリレーRRijに対して優先順位が設定され、優先順位の高いリモコンリレーRRijから順番に閉成されても構わない。この場合、優先順位の高いリモコンリレーRRijが利用可能な駐車場所ほど、月極の駐車料金が高く設定されるようにしてもよい。 Here, instead of setting a priority for the branch switch 21 i of the main distribution board 2, a priority is set for each remote control relay RR ij of the sub-distribution board 3, and the priority is high. The remote control relays RR ij may be closed in order. In this case, the monthly parking fee may be set higher in a parking place where the remote control relay RR ij having a higher priority can be used.

また、優先順位が固定である必要は無く、制御部10が、所定のルール(例えば、出庫時間の早い車両の順番など)に従って、各リモコンリレーRRijの優先順位を動的に変更すれば、利用者の要求に応じた適切な充電が行える。この場合、制御部10が優先順位変更手段に相当する。 Further, the priority order does not need to be fixed, and if the control unit 10 dynamically changes the priority order of each remote control relay RR ij according to a predetermined rule (for example, the order of vehicles with a fast leaving time), Appropriate charging according to the user's request can be performed. In this case, the control unit 10 corresponds to priority order changing means.

ところで、各リモコンリレーRRijの下流側に充電コンセント(図示せず)が接続され、充電コンセントに差込接続される充電ケーブル(図示せず)を介して車両に充電電流が供給される。つまり、所定の駐車場所に駐車された車両が充電ケーブルを介して充電コンセントに接続され、充電コンセントが接続されているリモコンリレーRRijが閉成されることで充電ケーブルを介して車両の充電が可能となる。この場合、複数の充電経路(充電コンセント)のうちで制御部10によってリモコンリレーRRijが閉成されている充電経路(充電コンセント)を表示する表示手段を充電制御装置１に備えることが望ましい。なお、充電コンセントについては従来周知であるから詳細な構成の図示並びに説明は省略する。 By the way, a charging outlet (not shown) is connected to the downstream side of each remote control relay RRij , and a charging current is supplied to the vehicle via a charging cable (not shown) plugged into the charging outlet. In other words, a vehicle parked in a predetermined parking place is connected to a charging outlet via a charging cable, and the remote control relay RR ij to which the charging outlet is connected is closed so that the vehicle can be charged via the charging cable. It becomes possible. In this case, it is desirable that the charging control apparatus 1 includes a display unit that displays a charging path (charging outlet) in which the remote control relay RR ij is closed by the control unit 10 among a plurality of charging paths (charging outlets). Since the charging outlet is conventionally well-known, detailed illustration and description of the configuration will be omitted.

表示手段は、例えば、充電コンセントに具備されている通電表示用の発光ダイオードであってもよいし、駐車場内に設置される液晶パネルなどでもよい。前者の場合、制御部10によってリモコンリレーRRijが閉成されて充電コンセントに通電されると通電表示用の発光ダイオードが発光することで充電可能であることが表示される。また、後者の場合、制御部10が現在の充電可能な車両の台数を求め、その台数を液晶パネルに表示させてもよい。 The display means may be, for example, a light emitting diode for energization display provided in a charging outlet, or a liquid crystal panel installed in a parking lot. In the former case, when the remote control relay RR ij is closed by the control unit 10 and the charging outlet is energized, the light-emitting diode for energization display emits light to indicate that charging is possible. In the latter case, the control unit 10 may obtain the current number of rechargeable vehicles and display the number on the liquid crystal panel.

而して、充電可能なリモコンリレーRRij(充電コンセント)を表示手段に表示させることにより、車両を充電しようとする利用者にとっての利便性を向上することができる。 Thus, by displaying the rechargeable remote control relay RR ij (charging outlet) on the display means, it is possible to improve the convenience for the user who wants to charge the vehicle.

１ 充電制御装置
２ 主分電盤
３ 副分電盤
10 制御部(制御手段)
11 電流計測部(電流計測手段)
12 リモコンリレー駆動部(制御手段)
13 記憶部(記憶手段)
21i 分岐開閉器
301〜303 分岐開閉器
CTij 電流センサ(電流計測手段)
RRij リモコンリレー(スイッチ要素) 1 Charging control device 2 Main distribution board 3 Sub distribution board
10 Control unit (control means)
11 Current measurement unit (current measurement means)
12 Remote control relay drive (control means)
13 Storage unit (storage means)
21 i branch switch
30 1 to 30 3 branch switch
CT ij current sensor (current measuring means)
RR ij remote control relay (switch element)

Claims (6)

主分電盤の主開閉器で分岐された複数の分岐回路を含む複数の充電経路を各別に開閉する複数のスイッチ要素と、前記スイッチ要素を経由して車両に供給される電流を各別に計測する複数の電流計測手段と、前記分岐回路と前記スイッチ要素の対応関係を記憶した記憶手段と、前記電流計測手段で計測される電流値が所定の上限値を超過しないように前記スイッチ要素を開閉する制御手段とを備え、
前記主開閉器は、前記主分電盤が備える複数の分岐開閉器の１次側に接続され、
前記主分電盤の複数の前記分岐開閉器の２次側は、前記主分電盤の下流側に設けられた副分電盤が備える複数の分岐開閉器の１次側にそれぞれ接続され、
前記副分電盤の複数の前記分岐開閉器の２次側は、複数の前記スイッチ要素にそれぞれ接続されることを特徴とする充電制御装置。 Measuring a plurality of charge path and a plurality of switching element that opens and closes to each other, the current supplied to the vehicle via the switching element to each other, including a plurality of branch circuits branched by the main switch of the main distribution board A plurality of current measuring means, a storage means storing a correspondence relationship between the branch circuit and the switch element, and opening and closing the switch element so that a current value measured by the current measuring means does not exceed a predetermined upper limit value. and control means for,
The main switch is connected to a primary side of a plurality of branch switches provided in the main distribution board,
Secondary sides of the plurality of branch switches of the main distribution board are respectively connected to primary sides of a plurality of branch switches provided in a sub-distribution board provided on the downstream side of the main distribution board,
The secondary side of the plurality of branch switches of the sub-distribution panel is connected to the plurality of switch elements, respectively . 複数の前記分岐回路に流れる電流を各別に計測する複数の分岐電流計測手段を備え、前記制御手段は、前記分岐電流計測手段で計測される電流値が所定の分岐電流上限値を超過しないように前記スイッチ要素を開閉することを特徴とする請求項１記載の充電制御装置。   A plurality of branch current measuring means for separately measuring the currents flowing through the plurality of branch circuits, and the control means prevents the current value measured by the branch current measuring means from exceeding a predetermined branch current upper limit value; The charge control device according to claim 1, wherein the switch element is opened and closed. 前記主分電盤への入力電力を計測する入力電力計測手段を備え、前記記憶手段は、前記入力電力の上限値と、複数の前記分岐回路に対する優先順位とを記憶しており、前記制御手段は、前記入力電力計測手段の計測値と前記上限値との差分から同時に充電可能な車両台数を求め、前記優先順位が高い方の充電経路に挿入されている前記スイッチ要素から順番に閉成することを特徴とする請求項１又は２記載の充電制御装置。 Input power measuring means for measuring input power to the main distribution board, wherein the storage means stores an upper limit value of the input power and a priority order for the plurality of branch circuits, and the control means Obtains the number of vehicles that can be charged simultaneously from the difference between the measured value of the input power measuring means and the upper limit value, and closes in order from the switch element inserted in the charging path with the higher priority. The charge control device according to claim 1 or 2, wherein 前記主分電盤への入力電力を計測する入力電力計測手段を備え、前記記憶手段は、前記入力電力の上限値と、複数の前記スイッチ要素に対する優先順位とを記憶しており、前記制御手段は、前記入力電力計測手段の計測値と前記上限値との差分から同時に充電可能な車両台数を求め、前記優先順位が高い方の前記スイッチ要素から順番に閉成することを特徴とする請求項１又は２記載の充電制御装置。 Input power measuring means for measuring input power to the main distribution board, wherein the storage means stores an upper limit value of the input power and a priority order for the plurality of switch elements, and the control means The number of vehicles that can be charged at the same time is obtained from the difference between the measured value of the input power measuring means and the upper limit value, and the switch elements having the higher priority order are closed in order. The charge control apparatus according to 1 or 2 . 前記記憶手段に記憶される前記優先順位を動的に変更する優先順位変更手段を備えることを特徴とする請求項４記載の充電制御装置。 5. The charging control apparatus according to claim 4, further comprising priority changing means for dynamically changing the priority stored in the storage means . 複数の前記充電経路のうちで前記制御手段によって前記スイッチ要素が閉成されている前記充電経路を表示する表示手段を備えることを特徴とする請求項１〜５の何れか１項に記載の充電制御装置。 6. The charging according to claim 1, further comprising display means for displaying the charging path in which the switch element is closed by the control means among the plurality of charging paths. Control device .
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