CN101769999B - 光纤直流磁光探测***和方法 - Google Patents
光纤直流磁光探测***和方法 Download PDFInfo
- Publication number
- CN101769999B CN101769999B CN 200910202166 CN200910202166A CN101769999B CN 101769999 B CN101769999 B CN 101769999B CN 200910202166 CN200910202166 CN 200910202166 CN 200910202166 A CN200910202166 A CN 200910202166A CN 101769999 B CN101769999 B CN 101769999B
- Authority
- CN
- China
- Prior art keywords
- signal
- magneto
- laser
- optic probe
- processing module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Images
Classifications
-
- 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
- G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
-
- 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
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
-
- 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
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/245—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect
-
- 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
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/245—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect
- G01R15/246—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect based on the Faraday, i.e. linear magneto-optic, effect
-
- 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
- G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
- G01R33/0322—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect using the Faraday or Voigt effect
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/165—Auxiliary devices for rotating the plane of polarisation
- H01P1/175—Auxiliary devices for rotating the plane of polarisation using Faraday rotators
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
Description
Claims (8)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910202166 CN101769999B (zh) | 2009-12-31 | 2009-12-31 | 光纤直流磁光探测***和方法 |
PCT/CN2010/078968 WO2011079663A1 (zh) | 2009-12-31 | 2010-11-22 | 光纤直流磁光探测***和方法 |
US13/519,967 US8773119B2 (en) | 2009-12-31 | 2010-11-22 | System for fiber DC magneto-optic detection and method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910202166 CN101769999B (zh) | 2009-12-31 | 2009-12-31 | 光纤直流磁光探测***和方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101769999A CN101769999A (zh) | 2010-07-07 |
CN101769999B true CN101769999B (zh) | 2013-02-13 |
Family
ID=42502980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200910202166 Expired - Fee Related CN101769999B (zh) | 2009-12-31 | 2009-12-31 | 光纤直流磁光探测***和方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8773119B2 (zh) |
CN (1) | CN101769999B (zh) |
WO (1) | WO2011079663A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101762795B (zh) * | 2009-12-31 | 2013-01-23 | 上海舜宇海逸光电技术有限公司 | 光纤磁光探测***和方法 |
CN101769999B (zh) | 2009-12-31 | 2013-02-13 | 上海舜宇海逸光电技术有限公司 | 光纤直流磁光探测***和方法 |
CN102062807B (zh) * | 2010-12-09 | 2013-03-27 | 上海舜宇海逸光电技术有限公司 | 电流测量装置及电流测量方法 |
CN103134971B (zh) * | 2011-11-29 | 2015-10-21 | 思源电气股份有限公司 | 导体电流测量装置 |
CN105548664B (zh) * | 2016-02-25 | 2019-09-13 | 江苏思源赫兹互感器有限公司 | 一种光学电流测量装置 |
CN112578173B (zh) * | 2019-09-27 | 2024-07-09 | 上海康阔光智能技术有限公司 | 光学雷电流测量***及测量方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5619367A (en) * | 1991-06-04 | 1997-04-08 | Tdk Corporation | Apparatus and method for measuring magnetic fields employing magneto-optic element |
CN2350772Y (zh) * | 1998-11-26 | 1999-11-24 | 西安同维科技发展有限责任公司 | 磁光电流互感器 |
CN1963539A (zh) * | 2005-11-09 | 2007-05-16 | 郭志忠 | 光学电流互感器及其测定电流的方法 |
CN101458312A (zh) * | 2009-01-04 | 2009-06-17 | 上海舜宇海逸光电技术有限公司 | 光纤磁光探测装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5919875A (ja) * | 1982-07-27 | 1984-02-01 | Toshiba Corp | 磁界測定装置 |
JPH0668508B2 (ja) * | 1988-03-03 | 1994-08-31 | 日本碍子株式会社 | 光電流・磁界計測方法及び装置 |
JP3704109B2 (ja) | 2002-08-12 | 2005-10-05 | 日本電信電話株式会社 | 電磁界センサおよび電磁界測定方法 |
RU2321000C2 (ru) | 2005-09-07 | 2008-03-27 | Сергей Александрович Вицинский | Волоконно-оптический трансформатор тока |
CN101074983B (zh) * | 2006-05-17 | 2010-07-21 | 上海舜宇海逸光电技术有限公司 | 一种光纤磁光探头装置及其应用*** |
CN101403768A (zh) | 2008-03-27 | 2009-04-08 | 董小鹏 | 基于光纤磁光效应的光纤电流传感测量*** |
CN101769999B (zh) | 2009-12-31 | 2013-02-13 | 上海舜宇海逸光电技术有限公司 | 光纤直流磁光探测***和方法 |
-
2009
- 2009-12-31 CN CN 200910202166 patent/CN101769999B/zh not_active Expired - Fee Related
-
2010
- 2010-11-22 US US13/519,967 patent/US8773119B2/en not_active Expired - Fee Related
- 2010-11-22 WO PCT/CN2010/078968 patent/WO2011079663A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5619367A (en) * | 1991-06-04 | 1997-04-08 | Tdk Corporation | Apparatus and method for measuring magnetic fields employing magneto-optic element |
CN2350772Y (zh) * | 1998-11-26 | 1999-11-24 | 西安同维科技发展有限责任公司 | 磁光电流互感器 |
CN1963539A (zh) * | 2005-11-09 | 2007-05-16 | 郭志忠 | 光学电流互感器及其测定电流的方法 |
CN101458312A (zh) * | 2009-01-04 | 2009-06-17 | 上海舜宇海逸光电技术有限公司 | 光纤磁光探测装置 |
Also Published As
Publication number | Publication date |
---|---|
US20120274321A1 (en) | 2012-11-01 |
CN101769999A (zh) | 2010-07-07 |
US8773119B2 (en) | 2014-07-08 |
WO2011079663A1 (zh) | 2011-07-07 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SIYUAN ELECTRIC CO., LTD. Free format text: FORMER OWNER: SHANGHAI SHUNYU HAIYI PHOTOELECTRIC TECHNOLOGY CO., LTD. Effective date: 20141114 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201203 PUDONG NEW AREA, SHANGHAI TO: 201100 MINHANG, SHANGHAI |
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TR01 | Transfer of patent right |
Effective date of registration: 20141114 Address after: 201100 Shanghai city Minhang District Huaning Road No. 3399 Patentee after: Siyuan Electric Co., Ltd. Address before: 201203 Shanghai city Pudong New Area Cailun Road No. 1690 Building No. 2 room 502-504 Patentee before: 3S Hi-Technologies Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20161231 |
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CF01 | Termination of patent right due to non-payment of annual fee |