JP2010246303A - Battery charging controller and battery charging control method - Google Patents

Battery charging controller and battery charging control method Download PDF

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JP2010246303A
JP2010246303A JP2009093721A JP2009093721A JP2010246303A JP 2010246303 A JP2010246303 A JP 2010246303A JP 2009093721 A JP2009093721 A JP 2009093721A JP 2009093721 A JP2009093721 A JP 2009093721A JP 2010246303 A JP2010246303 A JP 2010246303A
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battery
charging operation
charger
external power
charging
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JP2009093721A
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Japanese (ja)
Inventor
Takeshi Nakajima
中島　　剛
Kazuhiko Okino
一彦 沖野
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Nissan Motor Co Ltd
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Nissan Motor 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
    • 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
    • Y02E60/10—Energy storage using 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Abstract

<P>PROBLEM TO BE SOLVED: To safely resume an operation of charging a battery when failure occurs. <P>SOLUTION: A controller 5 determines whether or not a charger 4 is reconnected to an external power source 11 at the timing of solving the failure. If a result of determination shows that the charger 4 is not reconnected to the external power source 11, the controller 5 does not resume a charging operation. On the other hand, when the charger 4 is reconnected to the external power source 11, the controller 5 resumes the charging operation. In this way, the operation of charging the battery 3 can be safely resumed when failure occurs. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、車両に搭載されたバッテリの充電動作を制御するバッテリ充電制御装置及びバッテリ充電制御方法に関する。   The present invention relates to a battery charge control device and a battery charge control method for controlling a charging operation of a battery mounted on a vehicle.

従来より、ユーザにより設定された日時に車両に搭載されたバッテリを充電するバッテリ充電制御装置が知られている。   Conventionally, a battery charge control device that charges a battery mounted on a vehicle at a date and time set by a user is known.

特開２００２−９０４８５号公報JP 2002-90485 A

従来のバッテリ充電制御装置は、充電動作中に故障が発生した場合の処理を考慮していないので、故障が発生した場合にバッテリの充電動作を安全に再開することができない。   Since the conventional battery charge control device does not consider processing when a failure occurs during the charging operation, the battery charging operation cannot be safely resumed when the failure occurs.

本発明は上記課題を解決するためになされたものであり、その目的は故障が発生した場合にバッテリの充電動作を安全に再開可能なバッテリ充電制御装置及びバッテリ充電制御方法を提供することにある。   The present invention has been made to solve the above problems, and an object of the present invention is to provide a battery charge control device and a battery charge control method capable of safely restarting a battery charging operation when a failure occurs. .

本発明に係るバッテリ充電制御装置及びバッテリ充電制御方法は、充電動作中の故障を検出し、充電動作中の故障が検出された後にバッテリを充電する充電器が外部電源に再度接続されたか否かを判定し、充電器が外部電源に再度接続されたと判定された場合、充電動作を再開する。   The battery charge control device and the battery charge control method according to the present invention detect whether or not a failure during the charging operation is detected, and whether or not the charger that charges the battery after the failure during the charging operation is detected is reconnected to the external power source. When it is determined that the charger is connected to the external power source again, the charging operation is resumed.

本発明に係るバッテリ充電制御装置及びバッテリ充電制御方法によれば、充電動作の再開の意志を確認した上で充電動作を再開するので、故障が発生した場合にバッテリの充電動作を安全に再開することができる。   According to the battery charge control device and the battery charge control method of the present invention, the charging operation is resumed after confirming the intention to resume the charging operation, so that the battery charging operation is safely resumed when a failure occurs. be able to.

本発明の実施形態となるバッテリ充電制御装置の構成を示すブロック図である。It is a block diagram which shows the structure of the battery charge control apparatus used as embodiment of this invention. 充電条件の一例を示す図である。It is a figure which shows an example of charging conditions. 本発明の実施形態となる充電制御処理を説明するための模式図である。It is a schematic diagram for demonstrating the charge control process used as embodiment of this invention.

以下、図面を参照して、本発明に係るバッテリ充電制御装置及びバッテリ充電制御方法を適用した、本発明の一実施形態となる電動車両について説明する。   Hereinafter, an electric vehicle according to an embodiment of the present invention to which a battery charge control device and a battery charge control method according to the present invention are applied will be described with reference to the drawings.

〔電動車両の構成〕
本発明の一実施形態となる電動車両１は、図１に示すように、図示しないモータを動力源として車輪２を駆動する。電動車両１は、図示しないモータに電力を供給するバッテリ３を備える。バッテリ３は、電動車両１に搭載された充電器４と電気的に接続されている。充電器４は、バッテリ３を充電する機能を有する。電動車両１を運転しない時は、運転者は電動車両１を停車させ、電動車両１の外に設置された外部電源１１に充電器４を電力ケーブル１２を介して接続する。電力ケーブル１２の一端は充電器４と接続し、電力ケーブル１２の他端はコネクタ１３に取り付けられる。コネクタ１３は、外部電源１１に抜き差し可能に構成され、運転者が外部電源１１にコネクタ１３を差し込むことにより、充電器４は外部電源１１と接続される。なお図示しないが、バッテリ３は、バッテリ３の電池残量（蓄電率，SOC: State Of Charge）を検出するためのセンサを有する。 [Configuration of electric vehicle]
As shown in FIG. 1, an electric vehicle 1 according to an embodiment of the present invention drives wheels 2 using a motor (not shown) as a power source. The electric vehicle 1 includes a battery 3 that supplies electric power to a motor (not shown). The battery 3 is electrically connected to a charger 4 mounted on the electric vehicle 1. The charger 4 has a function of charging the battery 3. When the electric vehicle 1 is not driven, the driver stops the electric vehicle 1 and connects the charger 4 to the external power source 11 installed outside the electric vehicle 1 via the power cable 12. One end of the power cable 12 is connected to the charger 4, and the other end of the power cable 12 is attached to the connector 13. The connector 13 is configured to be detachable from the external power source 11, and the charger 4 is connected to the external power source 11 when the driver inserts the connector 13 into the external power source 11. Although not shown, the battery 3 has a sensor for detecting the remaining battery level (storage rate, SOC: State Of Charge) of the battery 3.

このような構成を有する電動車両１では、マイクロコンピュータ等により構成されたコントローラ５が以下に示す充電制御処理を実行することにより、フェイル故障が発生した場合にバッテリ３の充電動作を安全に再開可能にする。なお以下に示すコントローラ５の動作は、コントローラ５内部のＣＰＵがＲＯＭに記憶されたコンピュータプログラムを実行することにより実現される。   In the electric vehicle 1 having such a configuration, the controller 5 configured by a microcomputer or the like executes the following charging control process, so that the charging operation of the battery 3 can be safely resumed when a failure occurs. To. The operation of the controller 5 shown below is realized by the CPU in the controller 5 executing a computer program stored in the ROM.

〔充電制御処理〕
いま図２に示すように、普通の日（例えば平日）の８時〜１８時の間にバッテリ３を充電するという充電条件が設定されている場合を考える。この場合において、９時〜１７時の間にフェイル故障が発生した時、コントローラ５は、フェイル故障が解消された後に充電器４が外部電源１１に再度接続されたか否かを判別する。そして判別の結果、充電器４が外部電源１１に再度接続されなかった場合、コントローラ５は図３（ａ）に示すように充電動作を再開しない。一方、充電器４が外部電源１１に再度接続された場合には、コントローラ５は図３（ｂ）に示すように充電動作を再開する。すなわちコントローラ５は、充電器４を外部電源１１に再度接続するという充電動作の再開の意志を確認した上で充電動作を再開する。従って、本発明の実施形態となる充電制御処理によれば、フェイル故障が発生した場合にバッテリ３の充電動作を安全に再開することができる。 [Charge control processing]
Now, as shown in FIG. 2, a case is considered in which a charging condition is set such that the battery 3 is charged between 8:00 and 18:00 on a normal day (for example, a weekday). In this case, when a failure occurs between 9:00 and 17:00, the controller 5 determines whether or not the charger 4 is connected to the external power source 11 again after the failure is resolved. As a result of the determination, if the charger 4 is not connected to the external power source 11 again, the controller 5 does not resume the charging operation as shown in FIG. On the other hand, when the charger 4 is connected to the external power source 11 again, the controller 5 resumes the charging operation as shown in FIG. That is, the controller 5 restarts the charging operation after confirming the intention of resuming the charging operation of reconnecting the charger 4 to the external power supply 11. Therefore, according to the charge control process according to the embodiment of the present invention, the charging operation of the battery 3 can be safely restarted when a failure occurs.

以上、本発明者らによってなされた発明を適用した実施の形態について説明したが、本実施形態による本発明の開示の一部をなす記述及び図面により本発明は限定されることはない。すなわち本実施形態に基づいて当業者等によりなされる他の実施の形態、実施例及び運用技術等は全て本発明の範疇に含まれることは勿論である。   The embodiment to which the invention made by the present inventors is applied has been described above, but the present invention is not limited by the description and the drawings that constitute a part of the disclosure of the present invention. That is, it is needless to say that other embodiments, examples, operational techniques, and the like made by those skilled in the art based on the present embodiment are all included in the scope of the present invention.

１：電動車両
２：車輪
３：バッテリ
４：充電器
５：コントローラ
１１：外部電源
１２：電力ケーブル
１３：コネクタ 1: Electric vehicle 2: Wheel 3: Battery 4: Charger 5: Controller 11: External power supply 12: Power cable 13: Connector

Claims (2)

車両に搭載されたバッテリの充電動作を制御するバッテリ充電制御装置であって、
充電動作中の故障を検出する検出手段と、
前記検出手段により充電動作中の故障が検出された後に前記バッテリを充電する充電器が外部電源に再度接続されたか否かを判定する判定手段と、
前記判定手段により充電器が外部電源に再度接続されたと判定された場合、前記充電動作を再開する制御手段と
を備えることを特徴とするバッテリ充電制御装置。 A battery charge control device for controlling a charging operation of a battery mounted on a vehicle,
Detecting means for detecting a failure during the charging operation;
Determination means for determining whether or not a charger for charging the battery is reconnected to an external power source after a failure during a charging operation is detected by the detection means;
And a control unit that restarts the charging operation when the determination unit determines that the charger is connected to the external power source again. 車両に搭載されたバッテリの充電動作を制御するバッテリ充電制御方法であって、
充電動作中の故障を検出する検出処理と、
前記検出処理により充電動作中の故障が検出された後に前記バッテリを充電する充電器が外部電源に再度接続されたか否かを判定する判定処理と、
前記判定処理により充電器が外部電源に再度接続されたと判定された場合、前記充電動作を再開する制御処理と
を有することを特徴とするバッテリ充電制御方法。 A battery charge control method for controlling a charging operation of a battery mounted on a vehicle,
A detection process for detecting a failure during the charging operation;
A determination process for determining whether or not a charger for charging the battery is reconnected to an external power supply after a failure during a charging operation is detected by the detection process;
And a control process for resuming the charging operation when it is determined by the determination process that the charger has been reconnected to an external power source.
JP2009093721A 2009-04-08 2009-04-08 Battery charging controller and battery charging control method Pending JP2010246303A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001339803A (en) * 2000-05-24 2001-12-07 Fuji Heavy Ind Ltd Charging device for hybrid electric vehicle
JP2007322182A (en) * 2006-05-30 2007-12-13 Kyocera Corp Electronic device and portable terminal device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001339803A (en) * 2000-05-24 2001-12-07 Fuji Heavy Ind Ltd Charging device for hybrid electric vehicle
JP2007322182A (en) * 2006-05-30 2007-12-13 Kyocera Corp Electronic device and portable terminal device

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