JP7448287B2 - バッテリパック、バッテリ装置および電解液漏洩検出方法 - Google Patents
バッテリパック、バッテリ装置および電解液漏洩検出方法 Download PDFInfo
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- 239000003792 electrolyte Substances 0.000 title claims description 142
- 238000001514 detection method Methods 0.000 title claims description 89
- 238000012544 monitoring process Methods 0.000 claims description 119
- 230000004044 response Effects 0.000 claims description 19
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- 238000012546 transfer Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- H01M10/4228—Leak testing of cells or batteries
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- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- B60L2240/00—Control parameters of input or output; Target parameters
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Description
本出願は2021年1月29日付韓国特許出願第10-2021-0013132に基づく優先権の利益を主張し、該当韓国の特許出願の文献に開示されたすべての内容は本明細書の一部として含まれる。
Claims (17)
- 複数のバッテリセルを含むバッテリモジュール、
前記バッテリモジュールに連結され、前記バッテリモジュールをモニタリングするバッテリモニタリング回路、および
前記バッテリモジュールで漏洩する電解液を検出する検出センサを備え、
前記検出センサは、
第1電圧を供給する電源と接地端の間に連結される第1抵抗および第2抵抗、および
前記第1抵抗に並列に連結され、前記バッテリモジュールで電解液が漏洩しない場合は電流経路を形成せず、前記バッテリモジュールで電解液が漏洩する場合は電流経路を形成するように抵抗値が変わる可変抵抗を含み、
前記第1抵抗と前記第2抵抗の接点の電圧を感知電圧として前記バッテリモニタリング回路の入力端子に伝達する、バッテリパック。 - 前記バッテリモニタリング回路は、前記バッテリモジュールをモニタリングするアクティブモードで前記バッテリモジュールをモニタリングする、請求項1に記載のバッテリパック。
- 前記バッテリモニタリング回路が、前記バッテリモジュールをモニタリングしないシャットダウンモードに設定された状態において、前記感知電圧が臨界電圧より高い場合に、前記バッテリモニタリング回路を前記シャットダウンモードから前記アクティブモードに切り替えるためのパルス信号を生成して出力端子に出力するパルス生成器、および
前記バッテリモニタリング回路が、前記シャットダウンモードに設定された状態において、前記パルス信号を前記バッテリモニタリング回路の受信端子に伝達し、前記バッテリモニタリング回路が前記アクティブモードに設定された状態において、前記パルス信号の前記バッテリモニタリング回路の受信端子への伝達を遮断する伝達回路をさらに含む、請求項2に記載のバッテリパック。 - 前記伝達回路は前記パルス生成器の出力端子と接地端の間に連結されるトランジスタを含み、
前記アクティブモードで前記バッテリモニタリング回路の電源端子に第2電圧が供給され、前記トランジスタは前記第2電圧に応答してターンオンされ、
前記シャットダウンモードで前記バッテリモニタリング回路の電源端子に前記第2電圧の供給が遮断され、前記トランジスタは前記第2電圧の遮断に応答してターンオフされる、請求項3に記載のバッテリパック。 - 前記伝達回路は前記トランジスタの第1端子と前記バッテリモニタリング回路の受信端子の間に連結されるダイオードをさらに含み、
前記トランジスタの第2端子は前記接地端に連結される、請求項4に記載のバッテリパック。 - 前記伝達回路は前記パルス生成器の出力端子と前記トランジスタの第1端子の間に連結される第3抵抗をさらに含む、請求項4または5に記載のバッテリパック。
- 前記バッテリモジュールの電圧から前記第1電圧を生成する電圧レギュレータをさらに含む、請求項1から6のいずれか一項に記載のバッテリパック。
- 前記感知電圧が基準電圧より高い場合、前記バッテリモジュールでの電解液漏洩と診断される、請求項1から7のいずれか一項に記載のバッテリパック。
- 前記バッテリパックの下部ケース、および
前記下部ケースの上に形成され、前記バッテリモジュールの下部に形成され、前記バッテリモジュールで漏洩する電解液を集めて、前記検出センサが付着する下部カバーをさらに含む、請求項1から8のいずれか一項に記載のバッテリパック。 - 複数のバッテリセルを含むバッテリモジュール、
前記バッテリモジュールに連結され、前記バッテリモジュールをモニタリングするバッテリモニタリング回路、
前記バッテリモジュールで漏洩する電解液を検出する検出センサ、および
前記バッテリモニタリング回路を管理し、前記バッテリモニタリング回路から感知電圧に該当する情報を受信し、前記感知電圧が基準電圧より高いと判断した場合に、前記バッテリモジュールで電解液が漏洩すると診断するバッテリ管理システムを含み、
前記検出センサは、第1電圧を供給する電源と接地端の間に連結される第1抵抗および第2抵抗、および、前記第1抵抗に並列に連結され、前記バッテリモジュールで電解液が漏洩しない場合は電流経路を形成せず、前記バッテリモジュールで電解液が漏洩する場合は電流経路を形成するように抵抗値が変わる可変抵抗を含み、前記第1抵抗と前記第2抵抗の接点の電圧を前記感知電圧として前記バッテリモニタリング回路の入力端子に伝達する、バッテリ装置。 - 前記バッテリモニタリング回路が前記バッテリモジュールをモニタリングしないシャットダウンモードに設定された状態において、前記検出センサが前記バッテリモジュールで漏洩する電解液を検出する場合、前記バッテリモニタリング回路の受信端子にパルス信号を伝達するパルス生成器をさらに含み、
前記バッテリモニタリング回路は前記パルス信号に応答して、前記シャットダウンモードから前記バッテリモジュールをモニタリングするアクティブモードに切り替わる、請求項10に記載のバッテリ装置。 - 前記パルス生成器は前記感知電圧が臨界電圧より高い場合、前記パルス信号を生成する、請求項11に記載のバッテリ装置。
- 前記パルス生成器の出力端子と接地端の間に連結され、前記バッテリモニタリング回路の電源端子に供給される電圧に応答して前記バッテリモニタリング回路の受信端子への前記パルス信号の伝達を制御するトランジスタをさらに含む、請求項11または12に記載のバッテリ装置。
- 前記アクティブモードで前記バッテリモニタリング回路の電源端子に第2電圧が供給され、前記シャットダウンモードで前記バッテリモニタリング回路の電源端子に前記第2電圧の供給が遮断され、
前記トランジスタは前記アクティブモードで前記第2電圧に応答してターンオンされて前記パルス信号の伝達を遮断し、前記シャットダウンモードで前記パルス信号を伝達するために前記第2電圧の遮断に応答してターンオフされる、請求項13に記載のバッテリ装置。 - 前記バッテリモジュールの下部に形成され、前記バッテリモジュールで漏洩する電解液を集めて、前記検出センサが付着する下部カバーをさらに含む、請求項10から14のいずれか一項に記載のバッテリ装置。
- バッテリモジュール、前記バッテリモジュールをモニタリングするバッテリモニタリング回路および電解液漏洩検出センサを含むバッテリ装置の電解液漏洩検出方法であって、
前記バッテリモニタリング回路が前記バッテリモジュールをモニタリングしないシャットダウンモードである状態において前記バッテリモジュールで電解液が漏洩する場合、パルス信号を生成する段階、
前記バッテリモニタリング回路が前記シャットダウンモードである状態において生成された前記パルス信号に応答して、前記バッテリモニタリング回路を前記シャットダウンモードから前記バッテリモジュールをモニタリングするアクティブモードに切り替える段階、
前記アクティブモードの前記バッテリモニタリング回路で前記電解液漏洩検出センサの感知電圧を測定する段階、および
前記感知電圧が基準電圧より高い場合に、電解液漏洩と診断する段階
を含む、電解液漏洩検出方法。 - 前記電解液漏洩検出センサが、前記バッテリモジュールで電解液が漏洩しない場合は電流経路を形成せず、前記バッテリモジュールで電解液が漏洩する場合は電流経路を形成するように変わる抵抗値に基づいて感知電圧を測定する段階をさらに含む、請求項16に記載の電解液漏洩検出方法。
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JP2005228659A (ja) | 2004-02-16 | 2005-08-25 | Origin Electric Co Ltd | 液漏れ検出装置 |
US20070190403A1 (en) | 2005-06-14 | 2007-08-16 | Chin-Ho Wang | Device for detecting electrolyte overflow and energy storage device having the same |
CN202710276U (zh) | 2012-06-07 | 2013-01-30 | 北京有色金属研究总院 | 动力电池漏液检测装置 |
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US20070190403A1 (en) | 2005-06-14 | 2007-08-16 | Chin-Ho Wang | Device for detecting electrolyte overflow and energy storage device having the same |
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