JP2010119256A - 接続ユニットおよびそれを搭載する車両 - Google Patents
接続ユニットおよびそれを搭載する車両 Download PDFInfo
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- 238000004146 energy storage Methods 0.000 abstract 1
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910052987 metal hydride Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- -1 nickel metal hydride Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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- 230000007935 neutral effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
【解決手段】接続ユニット39Bは、バッテリBB1の第1電極と車両負荷への第1給電線との間に接続されるリレーS−SMR(B)1と、バッテリBB1の第2電極と車両負荷への第2給電線との間に接続されるリレーS−SMR(G)と、バッテリBB1の第2電極と第2給電線との間に直列に接続されるリレーS−SMR(P)および電流制限抵抗Rと、第1電極と同じ極性であるバッテリBB2の電極と車両負荷への第1給電線との間に接続されるリレーS−SMR(B)2と、第2電極と同じ極性であるバッテリBB2の電極をバッテリBB1の第2電極に接続する導線W1,W2とを備える。
【選択図】図7
Description
図1を参照して、車両1は、蓄電装置であるバッテリBA,BB1,BB2と、マスタ電池接続ユニット39Aと、スレーブ電池接続ユニット39Bと、昇圧コンバータ12A,12Bと、平滑用コンデンサC1,C2,CHと、電圧センサ10A,10B1,10B2,13,21A,21Bと、インバータ14,22と、エンジン4と、モータジェネレータMG1,MG2と、動力分割機構3と、車輪2と、制御装置30とを含む。
図1、図2を参照して、インバータ14は、U相アーム15と、V相アーム16と、W相アーム17とを含む。U相アーム15,V相アーム16,およびW相アーム17は、給電ラインPL2と接地ラインSL2との間に並列に接続される。
図1、図3を参照して、昇圧コンバータ12Aは、一方端が電源ラインPL1Aに接続されるリアクトルL1と、給電ラインPL2と接地ラインSL2との間に直列に接続されるIGBT素子Q1,Q2と、IGBT素子Q1,Q2にそれぞれ並列に接続されるダイオードD1,D2とを含む。
図4を参照して、マスタ電池接続ユニット39Aは、電源ラインPL1AとバッテリBAの正極との間に配置され電流の導通および遮断の制御を行なうシステムメインリレーM−SMR(B)と、接地ラインSL2とバッテリBAの負極との間に接続され電流のオン/オフ制御を行なうシステムメインリレーM−SMR(G)と、システムメインリレーM−SMR(G)の両端のノードN1,N2との間に直列に接続される電流制限抵抗62およびシステムメインリレーM−SMR(P)とを含む。
図5を参照して、接続ユニット139Bは、バッテリBB1に対応して設けられる接続ユニット141と、バッテリBB2に対応して設けられる接続ユニット142とを含む。接続ユニット141は、正極をオンオフ制御するためのシステムメインリレーS−SMR(B)1と、負極をオンオフ制御するためのシステムメインリレーS−SMR(P)1,S−SMR(G)1とを含む。
まず時刻t5においてシステムメインリレーS−SMR(P)1がオフ状態からオン状態に変更され、続いて時刻t6においてシステムメインリレーS−SMR(G)1がオン状態からオフ状態に変更される。そして時刻t7においてシステムメインリレーS−SMR(B)1がオン状態からオフ状態に変更され、さらに時刻t8においてシステムメインリレーS−SMR(P)1がオン状態からオフ状態に変更される。以上によってバッテリBB1の切離しが終了する。
まず時刻t5においてシステムメインリレーS−SMR(P)がオフ状態からオン状態に変更され、続いて時刻t6においてシステムメインリレーS−SMR(G)がオン状態からオフ状態に変更される。そして時刻t7においてシステムメインリレーS−SMR(B)1がオン状態からオフ状態に変更され、さらに時刻t8においてシステムメインリレーS−SMR(P)がオン状態からオフ状態に変更される。以上によってバッテリBB1の切離しが終了する。
Claims (4)
- 第1、第2の蓄電装置を車両負荷に接続する接続ユニットであって、
前記第1の蓄電装置の第1電極と前記車両負荷への第1給電線との間に接続される第1リレーと、
前記第1電極とは極性が異なる前記第1の蓄電装置の第2電極と前記車両負荷への第2給電線との間に接続される第2リレーと、
前記第1の蓄電装置の前記第2電極と前記第2給電線との間に直列に接続される第3リレーおよび電流制限抵抗と、
前記第1電極と同じ極性である前記第2の蓄電装置の電極と前記車両負荷への前記第1給電線との間に接続される第4リレーと、
前記第2電極と同じ極性である前記第2の蓄電装置の電極を前記第2電極に接続する導線とを備える、接続ユニット。 - 前記第1リレーの前記車両負荷側と前記第4リレーの前記車両負荷側とは、第1内部ノードで接続され、
前記接続ユニットは、
前記第1内部ノードと前記車両負荷との間に配置される、電流センサまたはフューズをさらに備える、請求項1に記載の接続ユニット。 - 前記第3リレーおよび前記電流制限抵抗は、第2内部ノードと第3内部ノードとの間に直列接続され、
前記第2リレーは、前記第2内部ノードと前記第3内部ノードとの間に接続され、
前記第2、第3内部ノードのうちの前記車両負荷側に位置する方のノードと前記車両負荷との間に配置される電流センサまたはフューズをさらに備える、請求項1に記載の接続ユニット。 - 請求項1〜3のいずれか1項に記載の接続ユニットを搭載する車両。
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