KR100687772B1 - 유도가열기기용 전류 검출 회로 - Google Patents
유도가열기기용 전류 검출 회로 Download PDFInfo
- Publication number
- KR100687772B1 KR100687772B1 KR1020040044030A KR20040044030A KR100687772B1 KR 100687772 B1 KR100687772 B1 KR 100687772B1 KR 1020040044030 A KR1020040044030 A KR 1020040044030A KR 20040044030 A KR20040044030 A KR 20040044030A KR 100687772 B1 KR100687772 B1 KR 100687772B1
- Authority
- KR
- South Korea
- Prior art keywords
- diode
- current
- cathode
- induction heating
- detection circuit
- Prior art date
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Classifications
-
- 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
- G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses
-
- 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
- G01R19/145—Indicating the presence of current or voltage
- G01R19/15—Indicating the presence of current
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/567—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for temperature compensation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/04—Sources of current
Abstract
Description
Claims (3)
- 유도가열기기의 부하전류를 측정용의 소전류로 변성하여 2차측으로 출력하는 전류변성기(CT)와, 이 전류 변성기(CT)의 2차 측에서 애노드가 입력측에 연결되고 캐소드가 출력측에 연결된 다이오드(D1) 및 일단이 상기 다이오드(D1)의 캐소드에 연결되고 타단이 접지되어 있는 캐패시터(C1)에 의해 입력 전류의 피크치를 검출하고 이 검출된 전류의 피크치를 버퍼부(OA)를 통해 출력하여 유도가열기기의 부하전류를 제어하는 유도가열기기의 제어장치로 입력하는 유도가열기기용 전류 검출 회로에 있어서,상기 다이오드(D1)와 상기 버퍼부(OA)의 사이에 설치되고 캐소드가 상기 다이오드(D1)의 캐소드 및 상기 버퍼부(OA)의 입력단에 공통 연결되고 애노드가 접지되어 있는 제너다이오드(ZD1)를 더 포함하는 것을 특징으로 하는 유도가열기기용 전류 검출 회로.
- 삭제
- 유도가열기기의 부하전류를 측정용의 소전류로 변성하여 2차측으로 출력하는 전류변성기(CT)와, 이 전류 변성기(CT)의 2차 측에서 애노드가 입력측에 연결되고 캐소드가 출력측에 연결된 다이오드(D1) 및 일단이 상기 다이오드(D1)의 캐소드에 연결되고 타단이 접지되어 있는 캐패시터(C1)에 의해 입력 전류의 피크치를 검출하고 이 검출된 전류의 피크치를 버퍼부(OA)를 통해 출력하여 유도가열기기의 부하전류를 제어하는 유도가열기기의 제어장치로 입력하는 유도가열기기용 전류 검출 회로에 있어서,상기 다이오드(D1)와 상기 버퍼부(OA)의 사이에 설치되고 캐소드가 상기 다이오드(D1)의 캐소드 및 상기 버퍼부(OA)의 입력단에 공통 연결되고 애노드가 접지되어 있는 제너다이오드(ZD1)와,일단이 상기 다이오드(D1)의 캐소드에 및 상기 버퍼부(OA)의 입력단에 공통 연결되고 타단이 접지되어 있는 션트 저항(R2)을 더 포함하는 것을 특징으로 하는 유도가열기기용 전류 검출 회로.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030038949 | 2003-06-16 | ||
KR20030038949 | 2003-06-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040111062A KR20040111062A (ko) | 2004-12-31 |
KR100687772B1 true KR100687772B1 (ko) | 2007-02-27 |
Family
ID=36696112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040044030A KR100687772B1 (ko) | 2003-06-16 | 2004-06-15 | 유도가열기기용 전류 검출 회로 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7312612B2 (ko) |
EP (1) | EP1639419B1 (ko) |
JP (1) | JP4249225B2 (ko) |
KR (1) | KR100687772B1 (ko) |
WO (1) | WO2004111742A1 (ko) |
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US7193428B1 (en) * | 2006-01-19 | 2007-03-20 | Veris Industries, Llc | Low threshold current switch |
CA2609629A1 (en) | 2007-09-10 | 2009-03-10 | Veris Industries, Llc | Current switch with automatic calibration |
CA2609611A1 (en) | 2007-09-10 | 2009-03-10 | Veris Industries, Llc | Split core status indicator |
CA2609619A1 (en) | 2007-09-10 | 2009-03-10 | Veris Industries, Llc | Status indicator |
US8212548B2 (en) | 2008-06-02 | 2012-07-03 | Veris Industries, Llc | Branch meter with configurable sensor strip arrangement |
US8421639B2 (en) | 2008-11-21 | 2013-04-16 | Veris Industries, Llc | Branch current monitor with an alarm |
US8421443B2 (en) | 2008-11-21 | 2013-04-16 | Veris Industries, Llc | Branch current monitor with calibration |
US9335352B2 (en) | 2009-03-13 | 2016-05-10 | Veris Industries, Llc | Branch circuit monitor power measurement |
JP4557085B1 (ja) * | 2009-04-17 | 2010-10-06 | ダイキン工業株式会社 | 電流検出回路およびこれを備えた空気調和装置 |
CN102109548B (zh) * | 2009-12-23 | 2013-11-06 | 力博特公司 | 带电流与温度补偿的电流检测电路 |
KR101047339B1 (ko) * | 2010-12-01 | 2011-07-07 | 주식회사 코디에스 | 전류 모드 제어기에서의 전류 검출 시스템 |
CN102570842B (zh) | 2010-12-30 | 2015-05-20 | 意法半导体研发(深圳)有限公司 | 三相计量系统及其方法 |
US9146264B2 (en) | 2011-02-25 | 2015-09-29 | Veris Industries, Llc | Current meter with on board memory |
US10006948B2 (en) | 2011-02-25 | 2018-06-26 | Veris Industries, Llc | Current meter with voltage awareness |
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CN102435883B (zh) * | 2011-09-29 | 2014-02-26 | 华磁科技(宁波)有限公司 | 电磁炉检测方法 |
US9410552B2 (en) | 2011-10-05 | 2016-08-09 | Veris Industries, Llc | Current switch with automatic calibration |
KR101637762B1 (ko) * | 2014-12-04 | 2016-07-08 | 현대자동차주식회사 | 전류 센싱 회로 |
US10782360B2 (en) * | 2015-05-04 | 2020-09-22 | General Electric Company | Systems and methods for monitoring and diagnosing transformer health |
US10408911B2 (en) | 2015-12-28 | 2019-09-10 | Veris Industries, Llc | Network configurable system for a power meter |
US10371730B2 (en) | 2015-12-28 | 2019-08-06 | Veris Industries, Llc | Branch current monitor with client level access |
US10274572B2 (en) | 2015-12-28 | 2019-04-30 | Veris Industries, Llc | Calibration system for a power meter |
US10371721B2 (en) | 2015-12-28 | 2019-08-06 | Veris Industries, Llc | Configuration system for a power meter |
KR102014468B1 (ko) | 2016-03-07 | 2019-08-26 | 주식회사 엘지화학 | 충방전 전류 추정 장치 |
CN106730329A (zh) * | 2016-12-03 | 2017-05-31 | 潍坊大地医疗器械有限公司 | 一种制造成本低的电子经络治疗仪 |
CN106730331A (zh) * | 2016-12-03 | 2017-05-31 | 潍坊大地医疗器械有限公司 | 一种响应速度快的电子经络治疗仪 |
US11215650B2 (en) | 2017-02-28 | 2022-01-04 | Veris Industries, Llc | Phase aligned branch energy meter |
US11193958B2 (en) | 2017-03-03 | 2021-12-07 | Veris Industries, Llc | Non-contact voltage sensor |
US10705126B2 (en) | 2017-05-19 | 2020-07-07 | Veris Industries, Llc | Energy metering with temperature monitoring |
CN109374961B (zh) * | 2018-10-31 | 2019-07-12 | 西安科技大学 | 一种电流信号检测装置 |
KR102350709B1 (ko) * | 2021-08-31 | 2022-01-14 | (주)에스엔 | 전류 측정 장치 |
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-
2004
- 2004-06-15 WO PCT/KR2004/001426 patent/WO2004111742A1/en active Application Filing
- 2004-06-15 KR KR1020040044030A patent/KR100687772B1/ko not_active IP Right Cessation
- 2004-06-15 JP JP2006516927A patent/JP4249225B2/ja not_active Expired - Fee Related
- 2004-06-15 EP EP04773931A patent/EP1639419B1/en not_active Expired - Fee Related
- 2004-06-15 US US10/561,172 patent/US7312612B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1639419A4 (en) | 2008-01-30 |
JP2007535656A (ja) | 2007-12-06 |
US7312612B2 (en) | 2007-12-25 |
JP4249225B2 (ja) | 2009-04-02 |
WO2004111742A1 (en) | 2004-12-23 |
US20060164096A1 (en) | 2006-07-27 |
KR20040111062A (ko) | 2004-12-31 |
EP1639419B1 (en) | 2012-08-01 |
EP1639419A1 (en) | 2006-03-29 |
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