JP2007305365A - 燃料電池システムにおけるコンタクタ故障検知方法及びその装置 - Google Patents
燃料電池システムにおけるコンタクタ故障検知方法及びその装置 Download PDFInfo
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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Abstract
【解決手段】故障検知モードの開始時点で正側のコンタクタ106pに開指令を送出すると同時に、容量性負荷に接続されるエアコンプレッサ36を駆動して、負荷電圧Vldと燃料電池電圧Vfcとを比較する。コンタクタ106pが正常に開けば、容量性負荷に蓄えられていた電気がエアコンプレッサ36で消費されて負荷電圧Vldは急激に減少する。このため、故障検知モード開始時点と終了時点での比較的大きな電圧差(Vld−Vfc)の存在の有無に基づきコンタクタ106pの閉故障を短時間に検知することができる。
【選択図】図1
Description
図1、図2及び図3A〜図3Cのタイムチャートを参照して説明する。
上述した第1実施例では、コンタクタ106pに閉指令を送出後の故障検知モード開始時点t1と故障検知モード終了時点t3とにおける負荷電圧Vldの電圧差(Vld−Vfc)を測定して、コンタクタ106pの故障を判定するようにしているが、負荷電圧Vldが徐々に低下することから判定の精度を上げるために(S/Nを上げるために)、故障検知判定時間Taを比較的に長い所定時間とすることが必要である。
図6は、この発明の一実施形態が適用された第3実施例に係る燃料電池システム10aを備える燃料電池車両12aの概略構成図である。図6において、図1に示したものと同一のもの又は対応するものには同一の符号を付け、その詳細な説明は省略する。
14…燃料電池 36…エアコンプレッサ
50、50a…負荷側ライン 52、52a…コンデンサ
54、54a…ディスチャージ抵抗器 106n…負側コンタクタ
106p…正側コンタクタ
Claims (4)
- 燃料ガスと酸化剤ガスとにより発電する燃料電池と、この燃料電池から電気が供給される負荷との間に設けられるコンタクタの故障を検知する燃料電池システムにおけるコンタクタ故障検知方法において、
前記コンタクタが閉状態にあるとき、前記コンタクタに開指令を送出する開指令送出ステップと、
前記負荷中、補機負荷を駆動する補機負荷駆動ステップと、
前記補機負荷駆動中に、前記コンタクタの前記燃料電池側又は前記負荷側のうち、少なくとも一方の側の電圧、電流又は電力のうち、少なくとも1つの変化を監視して、前記コンタクタの閉故障を検知する閉故障検知ステップと、
を有することを特徴とする燃料電池システムにおけるコンタクタ故障検知方法。 - 請求項1記載の燃料電池システムにおけるコンタクタ故障検知方法において、
前記閉故障検知ステップにおいて、駆動されている前記補機負荷の大きさが、前記燃料電池から取り出し可能な電力制限値を上回らないように制限する補機負荷制限ステップを
さらに有することを特徴とする燃料電池システムにおけるコンタクタ故障検知方法。 - 燃料ガスと酸化剤ガスとにより発電する燃料電池と、この燃料電池から電気が供給される負荷との間に設けられるコンタクタの故障を検知する燃料電池システムにおけるコンタクタ故障検知装置において、
前記コンタクタが閉状態にあるとき、前記コンタクタに開指令を送出する開指令送出手段と、
前記負荷中、補機負荷を駆動する補機負荷駆動手段と、
前記補機負荷駆動中に、前記コンタクタの前記燃料電池側又は前記負荷側のうち、少なくとも一方の側の電圧、電流又は電力のうち、少なくとも1つの変化を監視して、前記コンタクタの閉故障を検知する閉故障検知手段と、
を備えることを特徴とする燃料電池システムにおけるコンタクタ故障検知装置。 - 請求項3記載の燃料電池システムにおけるコンタクタ故障検知装置において、
前記閉故障検知手段が、駆動されている前記補機負荷の大きさが、前記燃料電池から取り出し可能な電力制限値を上回らないように制限する補機負荷制限手段を
さらに備えることを特徴とする燃料電池システムにおけるコンタクタ故障検知装置。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012004848A1 (ja) * | 2010-07-05 | 2012-01-12 | トヨタ自動車株式会社 | 充電制御装置 |
JP2014182975A (ja) * | 2013-03-21 | 2014-09-29 | Toyota Motor Corp | 燃料電池システムおよび燃料電池システムの作動状態確認方法 |
EP2991188A4 (en) * | 2013-04-24 | 2016-12-14 | Panasonic Ip Man Co Ltd | ENERGY CONVERSION SYSTEM AND CONNECTOR |
CN108725206A (zh) * | 2017-04-25 | 2018-11-02 | 微宏动力系统(湖州)有限公司 | 一种电动车辆的控制方法及使用该控制方法的电动车辆 |
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JPH06243768A (ja) * | 1993-02-19 | 1994-09-02 | Sanyo Electric Co Ltd | リレーの故障検出装置 |
JPH06257906A (ja) * | 1993-03-03 | 1994-09-16 | Matsushita Electric Ind Co Ltd | 空気調和機 |
JPH0733033A (ja) * | 1993-07-20 | 1995-02-03 | Aisin Seiki Co Ltd | 電気モ−タ駆動機器の電源リレ−故障検知装置 |
JPH08159924A (ja) * | 1994-12-02 | 1996-06-21 | Mitsubishi Electric Corp | 車載用電子制御装置及び車載用電子制御装置の故障検出方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH06243768A (ja) * | 1993-02-19 | 1994-09-02 | Sanyo Electric Co Ltd | リレーの故障検出装置 |
JPH06257906A (ja) * | 1993-03-03 | 1994-09-16 | Matsushita Electric Ind Co Ltd | 空気調和機 |
JPH0733033A (ja) * | 1993-07-20 | 1995-02-03 | Aisin Seiki Co Ltd | 電気モ−タ駆動機器の電源リレ−故障検知装置 |
JPH08159924A (ja) * | 1994-12-02 | 1996-06-21 | Mitsubishi Electric Corp | 車載用電子制御装置及び車載用電子制御装置の故障検出方法 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012004848A1 (ja) * | 2010-07-05 | 2012-01-12 | トヨタ自動車株式会社 | 充電制御装置 |
CN102439815A (zh) * | 2010-07-05 | 2012-05-02 | 丰田自动车株式会社 | 充电控制装置 |
JP5327328B2 (ja) * | 2010-07-05 | 2013-10-30 | トヨタ自動車株式会社 | 充電制御装置および車両 |
US8779719B2 (en) | 2010-07-05 | 2014-07-15 | Toyota Jidosha Kabushiki Kaisha | Charging control apparatus |
JP2014182975A (ja) * | 2013-03-21 | 2014-09-29 | Toyota Motor Corp | 燃料電池システムおよび燃料電池システムの作動状態確認方法 |
EP2991188A4 (en) * | 2013-04-24 | 2016-12-14 | Panasonic Ip Man Co Ltd | ENERGY CONVERSION SYSTEM AND CONNECTOR |
JPWO2014174842A1 (ja) * | 2013-04-24 | 2017-02-23 | パナソニックIpマネジメント株式会社 | 電力変換システム、コネクタ |
US10536029B2 (en) | 2013-04-24 | 2020-01-14 | Panasonic Intellectual Property Management Co., Ltd. | Power conversion system and connector |
CN108725206A (zh) * | 2017-04-25 | 2018-11-02 | 微宏动力系统(湖州)有限公司 | 一种电动车辆的控制方法及使用该控制方法的电动车辆 |
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