JPH07250405A - Charger for electric automobile - Google Patents

Charger for electric automobile

Info

Publication number
JPH07250405A
JPH07250405A JP6040882A JP4088294A JPH07250405A JP H07250405 A JPH07250405 A JP H07250405A JP 6040882 A JP6040882 A JP 6040882A JP 4088294 A JP4088294 A JP 4088294A JP H07250405 A JPH07250405 A JP H07250405A
Authority
JP
Japan
Prior art keywords
power
charging
battery
switch
charging device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6040882A
Other languages
Japanese (ja)
Inventor
Fumiaki Ihara
文明 伊原
Kazuomi Watanabe
和臣 渡辺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Telecom Networks Ltd
Original Assignee
Fujitsu Telecom Networks Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Telecom Networks Ltd filed Critical Fujitsu Telecom Networks Ltd
Priority to JP6040882A priority Critical patent/JPH07250405A/en
Publication of JPH07250405A publication Critical patent/JPH07250405A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/63—Monitoring or controlling charging stations in response to network capacity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
    • 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
    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

PURPOSE:To charge both batteries with a set of charger by combining the ON/OFF operation of three switching circuits such that a high capacity battery is connected with a rectifier circuit and a charger in order to be charged with midnight power and then a power battery for the electric vehicle is subjected to boost charging with the high capacity battery. CONSTITUTION:An AC power supply 12 is rectified through a rectifier circuit 5 and a switch 6 is turned ON. Consequently, a switch 7 is turned ON through a charger comprising a converter 4 and a timer 10 and a high capacity battery 1 is charged. The timer 10 sets a time interval when power is available at midnight charging. When the time interval of midnight power charging expires, a control circuit 9 turns switches 6, 7 OFF and turns a switch 8 ON. When a power battery 3 of an electric automobile 2 is connected and a switch 11 is turned ON, the controller 9 controls the converter for the charger 4 depending on the information concerning to the type, voltage, temperature and charging characteristics of the battery 3 and performs boost charging. This constitution allows common use of a set of charger for both batteries thus realizing cost reduction.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、電気自動車の動力用バ
ッテリーを急速充電する為の電気自動車用充電装置に関
する。電気自動車は、動力用バッテリーを搭載し、この
動力用バッテリーからモータに電力を供給して走行する
ものである。従って、ガソリンエンジンやジーゼルエン
ジン等を動力とした一般の自動車のように排気ガスの問
題もなく、低公害車として、その利用の拡大が要望され
ている。このような電気自動車に於いては、動力用バッ
テリーを充電する為に、通常のガソリンスタンドと同様
に充電スタンドが設置されることが必要である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric vehicle charging device for rapidly charging a power battery of an electric vehicle. An electric vehicle is equipped with a power battery and runs from the power battery by supplying electric power to a motor. Therefore, there is a need for expanding the use of the vehicle as a low-pollution vehicle without the problem of exhaust gas unlike general automobiles powered by a gasoline engine or a diesel engine. In such an electric vehicle, in order to charge the power battery, it is necessary to install a charging station like a normal gas station.

【０００２】[0002]

【従来の技術】図２は従来例の説明図であり、２１は大
容量バッテリー、２２は電気自動車、２３は動力用バッ
テリー、２４，２５はコンバータを含む充電装置、２６
は整流回路、２７は交流電源、２８は遮断器（ノーヒュ
ーズブレーカ）、２９はコンデンサである。2. Description of the Related Art FIG. 2 is an explanatory view of a conventional example, 21 is a large capacity battery, 22 is an electric vehicle, 23 is a power battery, 24 and 25 are charging devices including converters, and 26.
Is a rectifier circuit, 27 is an AC power supply, 28 is a circuit breaker (no-fuse breaker), and 29 is a capacitor.

【０００３】大容量バッテリー２１は、例えば、２８０
Ｖ，３００Ａｈの容量を有し、この大容量バッテリー２
１を充電する為の充電装置２４は、例えば、２８０Ｖ，
６０Ａの容量を有するものである。そして、３相，２０
０Ｖの交流電源２７の例えば２３時〜７時の間の深夜電
力を整流回路２６により整流して充電装置２４の電源と
し、大容量バッテリー２１を充電する。The large capacity battery 21 is, for example, 280
This large-capacity battery 2 has a capacity of V, 300 Ah.
The charging device 24 for charging 1 is, for example, 280V,
It has a capacity of 60 A. And 3 phases, 20
The midnight power of the 0V AC power supply 27, for example, between 23:00 and 7:00, is rectified by the rectifier circuit 26 and used as the power source of the charging device 24 to charge the large capacity battery 21.

【０００４】そして、日中に於いて、電気自動車２２の
動力用バッテリー２３を充電する為に、コネクタ等によ
って充電装置２５に接続し、大容量バッテリー２１を電
源として、充電装置２５により動力用バッテリー２３を
急速充電する。この充電装置２５は、例えば、４８〜５
００Ｖ，１０〜１５０Ａの容量を有するもので、電気自
動車２２の動力用バッテリー２３の電圧や充電電流は規
格化されていないことから、動力用バッテリー２３対応
に制御する必要があり、充電装置２４と同様にコンバー
タを含む構成を有するものである。Then, in the daytime, in order to charge the power battery 23 of the electric vehicle 22, it is connected to the charging device 25 by a connector or the like, and the large capacity battery 21 is used as a power source, and the power battery is charged by the charging device 25. 23 is rapidly charged. This charging device 25 is, for example, 48 to 5
Since it has a capacity of 00V, 10 to 150A, and the voltage and charging current of the power battery 23 of the electric vehicle 22 are not standardized, it is necessary to control the power battery 23 so that it corresponds to the charging device 24. Similarly, it has a configuration including a converter.

【０００５】電気自動車２２の走行用のモータは、数１
００ｋＷの電力を必要とするものであり、動力用バッテ
リー２３は、走行用のモータに電力を供給して数１０ｋ
ｍ或いは数１００ｋｍの走行距離が得られる放電容量を
必要とする。従って、動力用バッテリー２３も比較的容
量が大きいものであるから、充電時間を短縮する為に急
速充電を行う場合、数１００ｋＶＡ程度の電力を必要と
する。そこで、深夜電力を利用することになり、前述の
ように、大容量バッテリー２１を深夜電力で充電し、こ
の大容量バッテリー２１を電源として、電気自動車２２
の動力用バッテリー２３の急速充電を行うものである。The motor for running the electric vehicle 22 is expressed by
It requires electric power of 00 kW, and the power battery 23 supplies electric power to the motor for traveling to drive several tens of kilowatts.
It requires a discharge capacity that can provide a travel distance of m or several 100 km. Therefore, the power battery 23 also has a relatively large capacity, and therefore, when quick charging is performed to shorten the charging time, a power of about several hundred kVA is required. Therefore, the midnight power is used, and as described above, the large-capacity battery 21 is charged with the midnight power, and the large-capacity battery 21 is used as a power source to drive the electric vehicle 22.
The power battery 23 is rapidly charged.

【０００６】[0006]

【発明が解決しようとする課題】前述の従来例に於いて
は、深夜電力を利用して大容量バッテリー２１を充電す
る為の充電装置２４と、電気自動車２２の動力用バッテ
リー２３を充電する為の充電装置２５とを必要とするも
のである。このような充電装置２４，２５は、バッテリ
ーの充電状態に対応した充電電圧又は充電電流を監視し
て充電を制御するコンバータを含むものであり、比較的
高価な構成を有するものである。本発明は、大容量バッ
テリーの充電装置と電気自動車の動力用バッテリーの充
電装置と兼用してコストダウンを図ることを目的とす
る。In the above-mentioned conventional example, the charging device 24 for charging the large-capacity battery 21 by using the midnight power and the power battery 23 of the electric vehicle 22 are charged. The charging device 25 of the above is required. Such charging devices 24 and 25 include a converter that controls charging by monitoring a charging voltage or a charging current corresponding to the state of charge of the battery, and has a relatively expensive configuration. An object of the present invention is to reduce the cost by using the charging device for a large-capacity battery and the charging device for a power battery of an electric vehicle.

【０００７】[0007]

【課題を解決するための手段】本発明の電気自動車用充
電装置は、図１を参照して説明すると、深夜電力によっ
て充電される大容量バッテリー１から電気自動車２の動
力用バッテリー３に急速充電するコンバータを含む充電
装置４を備えた電気自動車用充電装置に於いて、電力線
からの給電電圧を整流する整流回路５と、この整流回路
５の整流出力電圧を前記充電装置４に加える為の第１の
スイッチ回路６と、前記充電装置４の出力電圧を前記大
容量バッテリー１に加えて充電する為の第２のスイッチ
回路７と、前記大容量バッテリー１の充電電圧を前記充
電装置４の電源電圧として加える為の第３のスイッチ回
路８と、前記第１及び第２のスイッチ回路６，７をオン
とし、且つ前記第３のスイッチ回路８をオフとして、前
記大容量バッテリー１の充電を行い、前記第１及び第２
のスイッチ回路６，７をオフとし、且つ前記第３のスイ
ッチ回路８をオンとして前記電気自動車２の動力用バッ
テリー３の急速充電を行わせる為の制御回路９とを備え
ている。The charging device for an electric vehicle according to the present invention will be described with reference to FIG. 1. The large-capacity battery 1 charged by midnight power rapidly charges the power battery 3 of the electric vehicle 2. In a charging device for an electric vehicle equipped with a charging device 4 including a converter, a rectifier circuit 5 for rectifying a power supply voltage from a power line and a rectifier output voltage of the rectifier circuit 5 for applying the rectified output voltage to the charging device 4. 1 switch circuit 6, a second switch circuit 7 for charging the large capacity battery 1 with the output voltage of the charging device 4, and the charging voltage of the large capacity battery 1 for the charging device 4 The third switch circuit 8 for applying as a voltage, the first and second switch circuits 6 and 7 are turned on, and the third switch circuit 8 is turned off, so that the large-capacity battery 1 and charges, the first and second
And a control circuit 9 for turning off the switch circuits 6 and 7 and turning on the third switch circuit 8 to rapidly charge the power battery 3 of the electric vehicle 2.

【０００８】[0008]

【作用】第１のスイッチ回路６と第２のスイッチ回路７
をオンとし、第３のスイッチ回路８をオフとすると、整
流回路５の整流出力電圧は充電装置４に加えられ、充電
装置４の出力電圧は大容量バッテリー１に加えられる。
それによって、深夜電力を用いて大容量バッテリー１の
充電が行われる。又第１のスイッチ回路６と第２のスイ
ッチ回路７とをオフとし、第３のスイッチ回路８をオン
とすると、整流回路５と充電装置４とは切り離され、大
容量バッテリー１が充電装置４の電源となり、スイッチ
回路１１をオンとして、電気自動車２の動力用バッテリ
ー３と充電装置４とを接続すると、その動力用バッテリ
ー３は、大容量バッテリー１によって急速充電される。Operation: First switch circuit 6 and second switch circuit 7
When the switch is turned on and the third switch circuit 8 is turned off, the rectified output voltage of the rectifier circuit 5 is applied to the charging device 4, and the output voltage of the charging device 4 is applied to the large capacity battery 1.
Thereby, the large-capacity battery 1 is charged using the midnight power. Further, when the first switch circuit 6 and the second switch circuit 7 are turned off and the third switch circuit 8 is turned on, the rectifier circuit 5 and the charging device 4 are disconnected, and the large capacity battery 1 is charged by the charging device 4 When the switch circuit 11 is turned on and the power battery 3 of the electric vehicle 2 and the charging device 4 are connected, the power battery 3 is rapidly charged by the large capacity battery 1.

【０００９】[0009]

【実施例】図１は本発明の実施例の説明図であり、１は
大容量バッテリー、２は電気自動車，３は動力用バッテ
リー、４は充電装置、５は整流回路、６，７，８は第
１，第２，第３のスイッチ回路、９は制御回路、１０は
タイマ、１１はスイッチ回路、１２は交流電源、１３は
コンデンサ、１４は遮断器（ノーヒューズブレーカ）を
示す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an explanatory view of an embodiment of the present invention, in which 1 is a large capacity battery, 2 is an electric vehicle, 3 is a power battery, 4 is a charging device, 5 is a rectifier circuit, 6, 7 and 8 Is a first, second, and third switch circuit, 9 is a control circuit, 10 is a timer, 11 is a switch circuit, 12 is an AC power supply, 13 is a capacitor, and 14 is a circuit breaker (no-fuse breaker).

【００１０】充電装置４は、従来例と同様にコンバータ
を含み、大容量バッテリー１の充電時と、各種の電気自
動車２の動力用バッテリー３の充電時とに対応した充電
特性で制御される。又制御回路９は、マイクロプロセッ
サ等により構成され、タイマ１０を含む構成を有し、第
１，第２，第３のスイッチ回路６，７，８及びスイッチ
回路１１を制御し、且つ充電特性の制御も行うものであ
る。The charging device 4 includes a converter as in the conventional example, and is controlled by the charging characteristics corresponding to the charging of the large capacity battery 1 and the charging of the power battery 3 of various electric vehicles 2. The control circuit 9 is composed of a microprocessor or the like, has a structure including a timer 10, controls the first, second, and third switch circuits 6, 7, and 8 and the switch circuit 11, and has a charging characteristic. It also controls.

【００１１】タイマ１０は、深夜電力の時間が例えば２
３時から翌朝の７時までであるとすると、予め深夜電力
の開始時刻の２３時と、終了時刻の７時とが設定され、
その設定時刻になると制御回路９に通知するものであ
る。制御回路９は、深夜電力の開始時刻になると、第
１，第２のスイッチ回路６，７をオンとし、第３のスイ
ッチ回路８とスイッチ回路１１とをオフとする。それに
よって、交流電源１２の例えば３相，２００Ｖの交流電
圧が、３相の整流回路５により整流されて充電装置４に
加えられる。なお、深夜電力として単相２００Ｖや単相
１００Ｖの交流電源を利用することも可能である。The timer 10 uses, for example, 2 hours of midnight power.
If it is from 3 o'clock to 7 o'clock in the next morning, the start time of midnight power of 23:00 and the end time of 7 o'clock are set in advance,
The control circuit 9 is notified when the set time comes. At the start time of the midnight power, the control circuit 9 turns on the first and second switch circuits 6 and 7, and turns off the third switch circuit 8 and the switch circuit 11. Thereby, for example, the three-phase, 200-V AC voltage of the AC power supply 12 is rectified by the three-phase rectifier circuit 5 and applied to the charging device 4. It is also possible to use a single-phase 200V or a single-phase 100V AC power source as the midnight power.

【００１２】充電装置４は、制御回路９によりコンバー
タの出力特性が、大容量バッテリー１の充電特性に対応
して制御され、大容量バッテリー１の充電が行われる。
即ち、深夜電力によって大容量バッテリー１の充電が行
われる。そして、深夜電力の終了時刻になると、制御回
路９は、第１，第２のスイッチ回路６，７をオフとし、
第３のスイッチ回路８をオンとする。この場合、電気自
動車２の動力用バッテリー３が接続されていないなら
ば、第３のスイッチ回路８をオフとしておくことができ
る。In the charging device 4, the output characteristics of the converter are controlled by the control circuit 9 in accordance with the charging characteristics of the large capacity battery 1, and the large capacity battery 1 is charged.
That is, the large capacity battery 1 is charged by the midnight power. Then, at the end time of the midnight power, the control circuit 9 turns off the first and second switch circuits 6 and 7,
The third switch circuit 8 is turned on. In this case, if the power battery 3 of the electric vehicle 2 is not connected, the third switch circuit 8 can be turned off.

【００１３】電気自動車２の動力用バッテリー３をコネ
クタ等によって接続すると、その動力用バッテリー３の
種別，電圧，温度，充電特性等の情報を図示を省略した
経路によって制御回路９に通知する。例えば、コネクタ
に充電電流用の端子の外に、信号線用の端子を設けてお
くことにより、電気自動車２の動力用バッテリー３の情
報を制御回路９に通知することができる。それにより、
制御回路９は、第３のスイッチ回路８をオフとしておく
場合は、その第３のスイッチ回路８をオンとし、又スイ
ッチ回路１１をオンとする。When the power battery 3 of the electric vehicle 2 is connected by a connector or the like, information such as the type, voltage, temperature and charging characteristics of the power battery 3 is notified to the control circuit 9 by a route (not shown). For example, if the connector is provided with a signal line terminal in addition to the charging current terminal, the control circuit 9 can be notified of information on the power battery 3 of the electric vehicle 2. Thereby,
When the third switch circuit 8 is kept off, the control circuit 9 turns on the third switch circuit 8 and turns on the switch circuit 11.

【００１４】それによって、電気自動車２の動力用バッ
テリー３の特性に対応した充電特性にコンバータが制御
され、大容量バッテリー１を電源として、電気自動車２
の動力用バッテリー３の急速充電が行われる。なお、コ
ネクタ等の挿抜による接続，切り離しを行うことが可能
であるから、スイッチ回路１１を省略することも可能で
ある。As a result, the converter is controlled to have the charging characteristic corresponding to the characteristic of the power battery 3 of the electric vehicle 2, and the electric vehicle 2 is powered by the large capacity battery 1.
The power battery 3 is rapidly charged. Since it is possible to connect or disconnect the connector or the like by inserting or removing the connector, it is possible to omit the switch circuit 11.

【００１５】第１，第２，第３のスイッチ回路６，７，
８及びスイッチ回路１１は、比較的大きな電流が流れる
から、電磁スイッチ等により構成することができる。又
大電流用の半導体スイッチ素子を用いて構成することも
可能である。First, second and third switch circuits 6, 7,
Since a relatively large current flows through the switch 8 and the switch circuit 11, they can be configured by an electromagnetic switch or the like. It is also possible to use a semiconductor switch element for large current.

【００１６】[0016]

【発明の効果】以上説明したように、本発明は、深夜電
力によって充電する大容量バッテリー１と、この大容量
バッテリー１を電源として充電する電気自動車２の動力
用バッテリー３との充電装置４を兼用化できるから、コ
ストダウンを図ることができ、電気自動車の普及に大き
く貢献することができる利点がある。As described above, according to the present invention, the charging device 4 for the large-capacity battery 1 that is charged by the midnight power and the power battery 3 of the electric vehicle 2 that is charged by using the large-capacity battery 1 as a power source is provided. Since it can be used for both purposes, there is an advantage that the cost can be reduced and it can greatly contribute to the spread of electric vehicles.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の実施例の説明図である。FIG. 1 is an explanatory diagram of an embodiment of the present invention.

【図２】従来例の説明図である。FIG. 2 is an explanatory diagram of a conventional example.

【符号の説明】[Explanation of symbols]

１ 大容量バッテリー ２ 電気自動車 ３ 動力用バッテリー ４ 充電装置 ５ 整流回路 ６ 第１のスイッチ回路 ７ 第２のスイッチ回路 ８ 第３のスイッチ回路 ９ 制御回路 １０ タイマ １１ スイッチ回路 1 Large Capacity Battery 2 Electric Vehicle 3 Power Battery 4 Charging Device 5 Rectifier Circuit 6 First Switch Circuit 7 Second Switch Circuit 8 Third Switch Circuit 9 Control Circuit 10 Timer 11 Switch Circuit

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 深夜電力によって充電される大容量バッ
テリー（１）から電気自動車（２）の動力用バッテリー
（３）に急速充電するコンバータを含む充電装置（４）
を備えた電気自動車用充電装置に於いて、 電力線からの給電電圧を整流する整流回路（５）と、該
整流回路（５）の整流出力電圧を前記充電装置（４）に
加える為の第１のスイッチ回路（６）と、 前記充電装置（４）の出力電圧を前記大容量バッテリー
（１）に加えて充電する為の第２のスイッチ回路（７）
と、 前記大容量バッテリー（１）の充電電圧を前記充電装置
（４）の電源電圧として加える為の第３のスイッチ回路
（８）と、 前記第１及び第２のスイッチ回路（６），（７）をオン
とし、且つ前記第３のスイッチ回路（８）をオフとし
て、前記大容量バッテリー（１）の充電を行い、前記第
１及び第２のスイッチ回路（６），（７）をオフとし、
且つ前記第３のスイッチ回路（８）をオンとして前記電
気自動車（２）の動力用バッテリー（３）の急速充電を
行わせる為の制御回路（９）とを備えたことを特徴とす
る電気自動車用充電装置。1. A charging device (4) including a converter for rapidly charging a large capacity battery (1) charged by midnight power to a power battery (3) of an electric vehicle (2).
A charging device for an electric vehicle comprising: a rectifier circuit (5) for rectifying a power supply voltage from a power line; and a first for applying a rectified output voltage of the rectifier circuit (5) to the charging device (4). Switch circuit (6), and a second switch circuit (7) for charging by adding the output voltage of the charging device (4) to the large capacity battery (1)
A third switch circuit (8) for applying the charging voltage of the large capacity battery (1) as a power supply voltage of the charging device (4), and the first and second switch circuits (6), ( 7) is turned on and the third switch circuit (8) is turned off to charge the large-capacity battery (1) and the first and second switch circuits (6) and (7) are turned off. age,
An electric vehicle comprising a control circuit (9) for turning on the third switch circuit (8) to rapidly charge the power battery (3) of the electric vehicle (2). Charging device.
JP6040882A 1994-03-11 1994-03-11 Charger for electric automobile Pending JPH07250405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6040882A JPH07250405A (en) 1994-03-11 1994-03-11 Charger for electric automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6040882A JPH07250405A (en) 1994-03-11 1994-03-11 Charger for electric automobile

Publications (1)

Publication Number Publication Date
JPH07250405A true JPH07250405A (en) 1995-09-26

Family

ID=12592889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6040882A Pending JPH07250405A (en) 1994-03-11 1994-03-11 Charger for electric automobile

Country Status (1)

Country Link
JP (1) JPH07250405A (en)

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