JP4606344B2 - 電圧検出装置 - Google Patents
電圧検出装置 Download PDFInfo
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- JP4606344B2 JP4606344B2 JP2006037953A JP2006037953A JP4606344B2 JP 4606344 B2 JP4606344 B2 JP 4606344B2 JP 2006037953 A JP2006037953 A JP 2006037953A JP 2006037953 A JP2006037953 A JP 2006037953A JP 4606344 B2 JP4606344 B2 JP 4606344B2
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- voltage
- capacitor
- detection
- detection capacitor
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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
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- Measurement Of Current Or Voltage (AREA)
- Tests Of Electric Status Of Batteries (AREA)
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Description
Cd 検出用コンデンサ
Ch ホールドコンデンサ
D ダイオード
OP 演算増幅器
S11〜S16 切替スイッチ(第1のスイッチ手段)
S21、S22 測定用スイッチ(第2のスイッチ手段)
S25、S26 測定用スイッチ(第2のスイッチ手段)
10 電圧検出装置
11 電圧測定回路(電圧測定手段)
13 ピークホールド回路
Claims (3)
- 互いに直列接続された二次電池から成る複数の単位セルの各々が順次接続されて当該接続された単位セルの両端電圧に充電される検出用コンデンサと、前記複数の単位セル−前記検出用コンデンサ間の接続を接離する第1のスイッチ手段と、前記単位セルの両端電圧を測定する電圧測定手段と、前記検出用コンデンサ−前記電圧測定手段間の接続を接離する第2のスイッチ手段とを備えた電圧検出装置において、
前記検出用コンデンサと前記電圧測定手段との間に設けられて前記検出用コンデンサと並列接続されるホールドコンデンサと、前記検出用コンデンサと前記ホールドコンデンサとの間に設けられたダイオードとから構成されたピークホールド回路が備えられ、
前記ダイオードのアノードが前記第2のスイッチ手段を介して前記検出用コンデンサのプラス側に接続され、前記ダイオードのカソードが前記ホールドコンデンサのプラス側に接続されていることを特徴とする電圧検出装置。 - 前記ピークホールド回路に演算増幅器が備えられ、
前記演算増幅器の入力が、前記第2のスイッチ手段を介して前記検出用コンデンサのプラス側に接続され、その出力が、前記ダイオードのアノードに接続され、
前記ダイオードのアノードが前記演算増幅器及び前記第2のスイッチ手段を介して前記検出用コンデンサのプラス側に接続されていることを特徴とする請求項1記載の電圧検出装置。 - 前記ホールドコンデンサの容量が、前記検出用コンデンサの容量よりも小さいことを特徴とする請求項1又は2記載の電圧検出装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2006037953A JP4606344B2 (ja) | 2006-02-15 | 2006-02-15 | 電圧検出装置 |
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JP2006037953A JP4606344B2 (ja) | 2006-02-15 | 2006-02-15 | 電圧検出装置 |
Publications (2)
Publication Number | Publication Date |
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JP2007218672A JP2007218672A (ja) | 2007-08-30 |
JP4606344B2 true JP4606344B2 (ja) | 2011-01-05 |
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JP2006037953A Active JP4606344B2 (ja) | 2006-02-15 | 2006-02-15 | 電圧検出装置 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6376722B2 (ja) * | 2013-02-15 | 2018-08-22 | エイブリック株式会社 | 電池電圧検出回路 |
JP6380242B2 (ja) * | 2015-06-15 | 2018-08-29 | 株式会社デンソー | 組電池の電圧検出装置 |
JP6767769B2 (ja) * | 2016-04-27 | 2020-10-14 | ラピスセミコンダクタ株式会社 | 半導体装置、電池監視システム、及び検出方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10206470A (ja) * | 1997-01-23 | 1998-08-07 | Yokogawa Electric Corp | ピークホールド回路 |
JP2001201522A (ja) * | 2000-01-19 | 2001-07-27 | Hitachi Ltd | 多セル直列電池のセル電圧検出回路及びそれを用いた電池パック |
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2006
- 2006-02-15 JP JP2006037953A patent/JP4606344B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10206470A (ja) * | 1997-01-23 | 1998-08-07 | Yokogawa Electric Corp | ピークホールド回路 |
JP2001201522A (ja) * | 2000-01-19 | 2001-07-27 | Hitachi Ltd | 多セル直列電池のセル電圧検出回路及びそれを用いた電池パック |
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JP2007218672A (ja) | 2007-08-30 |
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