JP2014202504A - 電流センサ - Google Patents
電流センサ Download PDFInfo
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- JP2014202504A JP2014202504A JP2013076483A JP2013076483A JP2014202504A JP 2014202504 A JP2014202504 A JP 2014202504A JP 2013076483 A JP2013076483 A JP 2013076483A JP 2013076483 A JP2013076483 A JP 2013076483A JP 2014202504 A JP2014202504 A JP 2014202504A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/202—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using Hall-effect devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/22—Tong testers acting as secondary windings of current transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/06—Magnetic circuits of induction meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
- G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/08—Arrangements for measuring electric power or power factor by using galvanomagnetic-effect devices, e.g. Hall-effect devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/028—Electrodynamic magnetometers
- G01R33/0283—Electrodynamic magnetometers in which a current or voltage is generated due to relative movement of conductor and magnetic field
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
- G01R33/072—Constructional adaptation of the sensor to specific applications
- G01R33/075—Hall devices configured for spinning current measurements
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
- G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
- G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
- G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
- G05G2009/0474—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks characterised by means converting mechanical movement into electric signals
- G05G2009/04755—Magnetic sensor, e.g. hall generator, pick-up coil
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
- G06G7/162—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using galvano- magnetic effects, e.g. Hall effect; using similar magnetic effects
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
特性の調整が容易な電流センサを提供すること。
【解決手段】
電流センサは、電流が流れる配線の周囲に配設される半円環状の第1磁気コアであって、周方向において二等分される一対の四半円環状の第1磁気コア部を有する第1磁気コアと、前記一対の第1磁気コア部の間のギャップに配設され、磁束密度を検出する第1センサと、前記配線の周囲に配設され、前記第1磁気コアと円環状の磁気コアを形成する半円環状の第2磁気コアであって、周方向において二等分される四半円環状の一対の第2磁気コア部を有する第2磁気コアと、前記一対の第2磁気コア部の間のギャップに配設され、磁束密度を検出する第2センサと、前記第1センサの第1出力と、前記第2センサの第2出力との差動出力を出力する差動出力部とを含む。
【選択図】図1
Description
図1は、実施の形態1に係る電流センサ100を示す図である。図2は、図1に示す電流センサ100のコアを示す斜視図である。図1及び図2では、図示するように直交座標系であるXYZ座標系を定義する。
図9は、実施の形態2の電流センサ200を制御回路230に接続した状態を示す図である。
図10は、実施の形態3の電流センサ300を制御回路330に接続した状態を示す図である。図10では、コア10、20と、ホール素子30、40(図1参照)とを纏めてブロックで示し、コア10、20及びホール素子30、40を現すブロックの出力側に差動アンプ50が接続されている構成を示す。
図11は、実施の形態4の電流センサ400を制御回路430に接続した状態を示す図である。
図11では、コア10、20と、ホール素子30、40(図1参照)とを纏めてブロックで示し、コア10、20及びホール素子30、40を現すブロックの出力側に差動アンプ50が接続されている構成を示す。
図12は、実施の形態5の電流センサ500を制御回路530に接続した状態を示す図である。
10、20 コア 30、40 ホール素子 50,50A,50B 差動アンプ 230、330,430,530 制御回路
Claims (6)
- 電流が流れる配線の周囲に配設される半円環状の第1磁気コアであって、周方向において二等分される一対の四半円環状の第1磁気コア部を有する第1磁気コアと、
前記一対の第1磁気コア部の間のギャップに配設され、磁束密度を検出する第1センサと、
前記配線の周囲に配設され、前記第1磁気コアと円環状の磁気コアを形成する半円環状の第2磁気コアであって、周方向において二等分される四半円環状の一対の第2磁気コア部を有する第2磁気コアと、
前記一対の第2磁気コア部の間のギャップに配設され、磁束密度を検出する第2センサと、
前記第1センサの第1出力と、前記第2センサの第2出力との差動出力を出力する差動出力部と
を含む、電流センサ。 - 前記一対の第1磁気コア部と、前記一対の第2磁気コア部とを構築する4つの磁気コア部は、円環状の磁気コアを4等分した形状を有する、請求項1記載の電流センサ。
- 前記一対の第1磁気コア部と、前記一対の第2磁気コア部とを構築する4つの磁気コア部は、互いに等しい大きさ及び形状を有する、請求項1記載の電流センサ。
- 前記差動出力部の差動出力を電流として出力する電流出力部をさらに含む、請求項1記載の電流センサ。
- 請求項4記載の電流センサが他の回路に接続される際に、前記差動出力部とともに前記他の回路に接続され、前記他の回路側において前記電流センサへの接続を検出するために用いられる検出用端子と、
前記検出用端子と所定の基準電位点との間接続される抵抗器と
をさらに含む、電流センサ。 - 前記電流出力部は、前記第1センサの出力を電流変換して出力する第1変換部と、前記第2センサの出力を電流変換して出力する第2変換部とを有する、請求項4又は5記載の電流センサ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013076483A JP6306823B2 (ja) | 2013-04-01 | 2013-04-01 | 電流センサ |
US14/228,420 US9395393B2 (en) | 2013-04-01 | 2014-03-28 | Current sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013076483A JP6306823B2 (ja) | 2013-04-01 | 2013-04-01 | 電流センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014202504A true JP2014202504A (ja) | 2014-10-27 |
JP6306823B2 JP6306823B2 (ja) | 2018-04-04 |
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013076483A Expired - Fee Related JP6306823B2 (ja) | 2013-04-01 | 2013-04-01 | 電流センサ |
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US (1) | US9395393B2 (ja) |
JP (1) | JP6306823B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113012998A (zh) * | 2021-03-10 | 2021-06-22 | 北京中兆龙芯软件科技有限公司 | 智慧物联型剩余电流动作断路器 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10228398B2 (en) | 2015-04-02 | 2019-03-12 | Rosemount Aerospace Inc. | System and method for minimizing magnetic field effect on an isolated magnetometer |
US10684312B2 (en) * | 2017-12-26 | 2020-06-16 | Industrial Technology Research Institute | Current detection device and method |
CN109143122A (zh) * | 2018-09-20 | 2019-01-04 | 上海岱梭动力科技有限公司 | 霍尔传感器 |
CN110108920B (zh) * | 2019-04-23 | 2020-07-03 | 北京航空航天大学 | 一种用于智能型接触器的可嵌入式开环霍尔电流传感器 |
SE1951382A1 (en) * | 2019-12-03 | 2021-06-04 | Bombardier Transp Gmbh | Remote sensor arrangement |
EP3995838A1 (en) | 2020-11-06 | 2022-05-11 | MAHLE International GmbH | Operating state monitoring device for monitoring a connecting cable and operating state controlling method for monitoring an operating state of a conducting connecting cable |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5499479A (en) * | 1978-01-23 | 1979-08-06 | Toshiba Corp | Direct current measuring apparatus |
US4460867A (en) * | 1980-10-25 | 1984-07-17 | Grundig E. M. V. | Method and circuit for measuring of current |
JPH08220141A (ja) * | 1995-02-15 | 1996-08-30 | Multi Keisokki Kk | 直流用分割型零相変流器 |
JP2001141757A (ja) * | 1999-11-09 | 2001-05-25 | Yazaki Corp | ホール素子を用いたセンサ装置 |
JP2008145352A (ja) * | 2006-12-12 | 2008-06-26 | Jeco Co Ltd | 電流センサ及び電流検出方法 |
WO2010100754A1 (ja) * | 2009-03-06 | 2010-09-10 | ボッシュ株式会社 | 検出システム及び電気システム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04252934A (ja) * | 1991-01-29 | 1992-09-08 | Sanki Eng Kk | 多向流式遠心連続多段抽出装置 |
JP2001153895A (ja) | 1999-11-24 | 2001-06-08 | Makome Kenkyusho:Kk | 電流センサ |
US6271744B1 (en) * | 2000-03-03 | 2001-08-07 | Trw Inc. | Current sensing arrangement with encircling current-carrying line and ferromagnetic sheet concentrator |
WO2005033716A1 (en) * | 2003-10-01 | 2005-04-14 | Eaton Corporation | System and method for current sensing using anti-differential, error correcting current sensing |
KR20050055066A (ko) * | 2004-07-14 | 2005-06-10 | (주)에이티에스네트웍스 | 직류 전류 센서 |
US7205757B2 (en) * | 2004-09-02 | 2007-04-17 | Denso Corporation | High precision current sensor |
DK2515123T3 (en) * | 2011-04-21 | 2016-10-31 | Abb Ag | Current sensor that works according to the compensation principle |
JP2013238580A (ja) * | 2011-12-28 | 2013-11-28 | Tdk Corp | 電流センサ |
-
2013
- 2013-04-01 JP JP2013076483A patent/JP6306823B2/ja not_active Expired - Fee Related
-
2014
- 2014-03-28 US US14/228,420 patent/US9395393B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5499479A (en) * | 1978-01-23 | 1979-08-06 | Toshiba Corp | Direct current measuring apparatus |
US4460867A (en) * | 1980-10-25 | 1984-07-17 | Grundig E. M. V. | Method and circuit for measuring of current |
JPH08220141A (ja) * | 1995-02-15 | 1996-08-30 | Multi Keisokki Kk | 直流用分割型零相変流器 |
JP2001141757A (ja) * | 1999-11-09 | 2001-05-25 | Yazaki Corp | ホール素子を用いたセンサ装置 |
JP2008145352A (ja) * | 2006-12-12 | 2008-06-26 | Jeco Co Ltd | 電流センサ及び電流検出方法 |
WO2010100754A1 (ja) * | 2009-03-06 | 2010-09-10 | ボッシュ株式会社 | 検出システム及び電気システム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113012998A (zh) * | 2021-03-10 | 2021-06-22 | 北京中兆龙芯软件科技有限公司 | 智慧物联型剩余电流动作断路器 |
Also Published As
Publication number | Publication date |
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JP6306823B2 (ja) | 2018-04-04 |
US20140292309A1 (en) | 2014-10-02 |
US9395393B2 (en) | 2016-07-19 |
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