JP5757680B2 - 電圧検出装置 - Google Patents
電圧検出装置 Download PDFInfo
- Publication number
- JP5757680B2 JP5757680B2 JP2009292947A JP2009292947A JP5757680B2 JP 5757680 B2 JP5757680 B2 JP 5757680B2 JP 2009292947 A JP2009292947 A JP 2009292947A JP 2009292947 A JP2009292947 A JP 2009292947A JP 5757680 B2 JP5757680 B2 JP 5757680B2
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- Prior art keywords
- voltage
- circuit
- ground
- positive
- terminal
- Prior art date
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- 238000001514 detection method Methods 0.000 claims description 64
- 239000003990 capacitor Substances 0.000 description 50
- 238000010586 diagram Methods 0.000 description 8
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/261—Amplifier which being suitable for instrumentation applications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45528—Indexing scheme relating to differential amplifiers the FBC comprising one or more passive resistors and being coupled between the LC and the IC
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45544—Indexing scheme relating to differential amplifiers the IC comprising one or more capacitors, e.g. coupling capacitors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45594—Indexing scheme relating to differential amplifiers the IC comprising one or more resistors, which are not biasing resistor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45604—Indexing scheme relating to differential amplifiers the IC comprising a input shunting resistor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Power Conversion In General (AREA)
Description
まず、図1を参照してモータジェネレータ制御装置の構成について説明する。ここで、図1は、第1実施形態におけるモータジェネレータ制御装置の回路図である。図2は、図1における電圧検出回路の回路図である。
次に、第2実施形態のモータジェネレータ制御装置について説明する。第2実施形態のモータジェネレータ制御装置は、第1実施形態のモータジェネレータ制御装置に対して、電圧検出回路を構成するオペアンプを作動させるために供給する電圧、及び、オペアンプの反転入力端子及び非反転入力端子に印加する電圧の値を変更したものである。
Claims (4)
- 車両に搭載され、第1グランドに接続される第1バッテリと、
前記車両に搭載され、前記第1グランドと絶縁された第2グランドに接続される第2バッテリと、
前記車両に搭載され、正電源端子と負電源端子に、前記第1グランドを基準とした電圧が供給されることで作動し、前記第2グランドを基準として作動する前記車両に搭載されている電子回路に接続された2つの入力端子間の電位差を増幅して出力するオペアンプと、
を備えた電圧検出装置において、
前記車両に搭載され、前記入力端子に入力される電圧が前記第1グランドを基準として負電圧に変動しても、前記入力端子の電圧が前記第1グランドを基準として正側にオフセットされるように、2つの前記入力端子に、前記第1グランドを基準とした正電圧を印加する電圧回路を有し、
前記オペアンプは、前記負電源端子が前記第1グランドに接続され、前記正電源端子に、前記第1グランドを基準とした正電圧が供給されることを特徴とする電圧検出装置。 - 前記電圧回路は、前記第1グランドを基準として作動する、前記電子回路を制御する制御回路に、作動のための前記第1グランドを基準とした正電圧を供給する電源であることを特徴とする請求項1に記載の電圧検出装置。
- 前記オペアンプは、2つの前記入力端子間の電位差を所定数倍に増幅して出力し、
前記オペアンプの前記正電源端子に供給される前記第1グランドを基準とした正電圧は、2つの前記入力端子間の電位差を前記所定数倍した電圧と、2つの前記入力端子に印加される前記第1グランドを基準とした正電圧とを足合わせた電圧よりも高いことを特徴とする請求項1又は2に記載の電圧検出装置。 - 車両に搭載された前記電子回路の所定箇所の間の電位差を増幅して出力することを特徴とする請求項1〜3のいずれか1項に記載の電圧検出装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009292947A JP5757680B2 (ja) | 2009-12-24 | 2009-12-24 | 電圧検出装置 |
US12/977,441 US8310278B2 (en) | 2009-12-24 | 2010-12-23 | Voltage detection device |
CN2010106224991A CN102147427B (zh) | 2009-12-24 | 2010-12-24 | 电压检测装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009292947A JP5757680B2 (ja) | 2009-12-24 | 2009-12-24 | 電圧検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011133345A JP2011133345A (ja) | 2011-07-07 |
JP5757680B2 true JP5757680B2 (ja) | 2015-07-29 |
Family
ID=44186768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009292947A Active JP5757680B2 (ja) | 2009-12-24 | 2009-12-24 | 電圧検出装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8310278B2 (ja) |
JP (1) | JP5757680B2 (ja) |
CN (1) | CN102147427B (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103149417A (zh) * | 2013-01-30 | 2013-06-12 | 北京信诺达泰思特科技股份有限公司 | 一种测量电路模块及电源器件电压差的测量方法 |
JP2014219239A (ja) | 2013-05-06 | 2014-11-20 | 株式会社デンソー | 電圧測定装置 |
CN104034957B (zh) * | 2014-06-11 | 2018-04-17 | 台达电子企业管理(上海)有限公司 | 电源转换***及其电压采样装置 |
CN107741571B (zh) * | 2017-11-16 | 2024-04-30 | 深圳市思达仪表有限公司 | 一种电池电压检测电路 |
CN111175561B (zh) * | 2019-12-30 | 2022-07-05 | 漳州科华电气技术有限公司 | 一种双电源电压检测电路及*** |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5982136A (en) * | 1996-01-18 | 1999-11-09 | International Rectifier Corporation | Circuit for sensing current in power trains for motor control |
JP2001108712A (ja) * | 1999-10-08 | 2001-04-20 | Fujitsu Denso Ltd | 電流検出装置 |
JP2001305166A (ja) * | 2000-04-27 | 2001-10-31 | Fuji Electric Co Ltd | 電流検出回路 |
JP2006087198A (ja) * | 2004-09-15 | 2006-03-30 | Toyota Motor Corp | 電気システムの電圧検出装置 |
JP4507918B2 (ja) * | 2005-03-01 | 2010-07-21 | 富士電機システムズ株式会社 | 単電源電圧計測回路 |
DE102007002334B4 (de) * | 2006-01-20 | 2009-06-25 | Denso Corporation, Kariya | Überstromerkennungsschaltkreis |
JP2007218664A (ja) * | 2006-02-15 | 2007-08-30 | Hitachi Ltd | 電流検出装置 |
JP5592073B2 (ja) | 2009-02-09 | 2014-09-17 | 富士電機株式会社 | 双方向スイッチの電流検出回路 |
-
2009
- 2009-12-24 JP JP2009292947A patent/JP5757680B2/ja active Active
-
2010
- 2010-12-23 US US12/977,441 patent/US8310278B2/en active Active
- 2010-12-24 CN CN2010106224991A patent/CN102147427B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN102147427B (zh) | 2013-11-13 |
US8310278B2 (en) | 2012-11-13 |
US20110156811A1 (en) | 2011-06-30 |
JP2011133345A (ja) | 2011-07-07 |
CN102147427A (zh) | 2011-08-10 |
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