CN103592503B - 确定电源的交流输入电压的过零的方法、控制器及电源 - Google Patents

确定电源的交流输入电压的过零的方法、控制器及电源 Download PDF

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Publication number
CN103592503B
CN103592503B CN201310579445.5A CN201310579445A CN103592503B CN 103592503 B CN103592503 B CN 103592503B CN 201310579445 A CN201310579445 A CN 201310579445A CN 103592503 B CN103592503 B CN 103592503B
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CN
China
Prior art keywords
zero
switch
threshold value
signal
current
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Expired - Fee Related
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CN201310579445.5A
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English (en)
Chinese (zh)
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CN103592503A (zh
Inventor
Y·迦诺基
M·毛
T·帕斯通
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Power Integrations Inc
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Power Integrations Inc
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Publication of CN103592503A publication Critical patent/CN103592503A/zh
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Expired - Fee Related legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/083—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the ignition at the zero crossing of the voltage or the current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33523—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
    • H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
    • H02M7/06—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Rectifiers (AREA)
CN201310579445.5A 2010-02-09 2011-02-09 确定电源的交流输入电压的过零的方法、控制器及电源 Expired - Fee Related CN103592503B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/703,095 US8553439B2 (en) 2010-02-09 2010-02-09 Method and apparatus for determining zero-crossing of an AC input voltage to a power supply
US12/703,095 2010-02-09
CN2011100352897A CN102193025B (zh) 2010-02-09 2011-02-09 用于确定电源的交流输入电压的过零的方法和装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN2011100352897A Division CN102193025B (zh) 2010-02-09 2011-02-09 用于确定电源的交流输入电压的过零的方法和装置

Publications (2)

Publication Number Publication Date
CN103592503A CN103592503A (zh) 2014-02-19
CN103592503B true CN103592503B (zh) 2017-03-15

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CN201310579445.5A Expired - Fee Related CN103592503B (zh) 2010-02-09 2011-02-09 确定电源的交流输入电压的过零的方法、控制器及电源
CN2011100352897A Expired - Fee Related CN102193025B (zh) 2010-02-09 2011-02-09 用于确定电源的交流输入电压的过零的方法和装置

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Country Status (4)

Country Link
US (2) US8553439B2 (https=)
EP (2) EP2642649A1 (https=)
JP (2) JP5753392B2 (https=)
CN (2) CN103592503B (https=)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8299730B2 (en) 2010-02-09 2012-10-30 Power Integrations, Inc. Integrated on-time extension for non-dissipative bleeding in a power supply
US8553439B2 (en) 2010-02-09 2013-10-08 Power Integrations, Inc. Method and apparatus for determining zero-crossing of an AC input voltage to a power supply
US9497807B2 (en) * 2010-02-12 2016-11-15 Marvell World Trade Ltd. Dimmer circuit for electronic loads
JP5067443B2 (ja) * 2010-05-24 2012-11-07 サンケン電気株式会社 Ｌｅｄ点灯装置
US8400797B2 (en) * 2010-07-23 2013-03-19 Lien Chang Electronic Enterprise Co., Ltd. Power conversion system with zero-voltage start-up mechanism, and zero-voltage start-up device
WO2012112750A1 (en) 2011-02-17 2012-08-23 Marvell World Trade Ltd. Triac dimmer detection
US8467157B2 (en) 2011-07-28 2013-06-18 Power Integrations, Inc. Adjacent terminal fault detection
US9065330B1 (en) 2011-11-15 2015-06-23 Marvell International Ltd. Method and apparatus for controlling TRIAC dimmable device
CN103207302B (zh) * 2012-01-17 2015-07-29 珠海格力电器股份有限公司 电感放电电流的检测电路和功率校正电路
US9093907B2 (en) * 2012-03-14 2015-07-28 Marvell World Trade Ltd. Method and apparatus for starting up
US8810144B2 (en) 2012-05-02 2014-08-19 Cree, Inc. Driver circuits for dimmable solid state lighting apparatus
CN103424605A (zh) 2012-05-19 2013-12-04 快捷半导体(苏州)有限公司 一种零电流检测电路和方法、及电压变换电路
US9030115B2 (en) * 2012-06-22 2015-05-12 Abl Ip Holding Llc LED driver with diac-based switch control and dimmable LED driver
CN102735906B (zh) * 2012-07-05 2014-11-05 矽力杰半导体技术(杭州)有限公司 一种电感电流检测电路以及应用其的led驱动电路
US9537404B2 (en) * 2012-09-24 2017-01-03 Dialog Semiconductor Inc. AC-DC power supply input voltage detection and monitoring
US9401634B2 (en) * 2012-10-04 2016-07-26 Power Integrations, Inc. Saturation prevention in an energy transfer element of a power converter
KR101397785B1 (ko) * 2012-12-17 2014-05-20 삼성전기주식회사 모터 구동 장치 및 방법
CN103887998A (zh) * 2012-12-20 2014-06-25 深圳市力生美半导体器件有限公司 开关电源以及开关电源集成电路
JP6056475B2 (ja) * 2012-12-28 2017-01-11 ブラザー工業株式会社 電源システム、同電源システムを備えた画像形成装置
US9401657B2 (en) * 2013-03-13 2016-07-26 Power Integrations, Inc. Input voltage sensor responsive to load conditions
US9071146B2 (en) * 2013-03-13 2015-06-30 Power Integrations, Inc. AC voltage sensor with low power consumption
CN103401429B (zh) * 2013-08-09 2015-08-26 杭州茂力半导体技术有限公司 一种开关电源及其控制电路和控制方法
CN103929048B (zh) * 2014-04-29 2016-04-20 中国科学院上海微系统与信息技术研究所 一种开关电源的过零检测电路
CN104360144B (zh) * 2014-12-08 2017-12-22 广东美的环境电器制造有限公司 确定交流信号过零点的方法及系统
CN105141209B (zh) * 2015-08-01 2017-12-08 漳州科华技术有限责任公司 减少隔离ups旁路导通的变压器励磁电流的方法及装置
US9680382B2 (en) * 2015-08-03 2017-06-13 Power Integrations, Inc. Input frequency measurement
CN206386705U (zh) * 2016-01-22 2017-08-08 嘉兴山蒲照明电器有限公司 一种led直管灯
WO2017133389A1 (zh) 2016-02-05 2017-08-10 广东欧珀移动通信有限公司 用于终端的充电系统、充电方法以及电源适配器
CN108076547B (zh) * 2016-11-18 2021-08-20 佛山市顺德区美的电热电器制造有限公司 电磁加热系统及其过零检测装置和方法
DE102017116534A1 (de) * 2017-07-21 2019-01-24 Eaton Electrical Ip Gmbh & Co. Kg Schaltungsanordnung und Verfahren zur Überwachung wechselspannungsförmiger Signale
US11733275B2 (en) * 2017-07-31 2023-08-22 Rohm Co., Ltd. Zero-crossing detection circuit
CN114660351A (zh) * 2017-07-31 2022-06-24 罗姆股份有限公司 过零检测电路
SG10201706597YA (en) * 2017-08-11 2019-03-28 Opulent Electronics Int Pte Ltd Device and method for providing an electrical current to an electrical load
US10333335B2 (en) * 2017-10-27 2019-06-25 Lear Corporation System and method of electric vehicle wireless charger output protection using zero voltage switching
JP7080098B2 (ja) * 2018-04-24 2022-06-03 エイブリック株式会社 ゼロクロス検出回路およびセンサ装置
US10418908B1 (en) * 2018-10-16 2019-09-17 Power Integrations, Inc. Controller with variable sampling generator
CN109543910A (zh) * 2018-11-27 2019-03-29 长沙理工大学 一种考虑偏差考核惩罚的售电公司电量鲁棒决策电路及方法
US11632054B2 (en) 2019-04-24 2023-04-18 Power Integrations, Inc. Mode operation detection for control of a power converter with an active clamp switch
JP7378495B2 (ja) * 2019-04-24 2023-11-13 パワー・インテグレーションズ・インコーポレーテッド 能動非放散クランプ回路を備える電力コンバーターおよびそれぞれの制御装置
CN112134473B (zh) * 2019-06-24 2022-03-22 宏碁股份有限公司 电源供应器
CN110445355B (zh) * 2019-07-26 2021-05-18 成都芯源系统有限公司 开关电源及其驱动电路和驱动方法
CN110568261B (zh) * 2019-09-02 2022-05-17 深圳市丰润达科技有限公司 可控硅调光器及交流电源相位检测方法、装置和存储介质
CN111474414A (zh) * 2020-03-18 2020-07-31 南方电网科学研究院有限责任公司 一种柔性直流控制系统的链路延时测试方法及系统
CN112311085A (zh) * 2020-11-27 2021-02-02 航天柏克(广东)科技有限公司 交流供电电源切换装置
US11670935B2 (en) * 2021-03-30 2023-06-06 SiliconBrite Technologies, Inc. Electronic protection circuit with instability prevention

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101027564A (zh) * 2004-10-08 2007-08-29 Abb研究有限公司 用于在变换器中确定电流过零的方法
CN101447735A (zh) * 2007-11-28 2009-06-03 富士电机电子技术株式会社 开关电源装置
JP2009238520A (ja) * 2008-03-26 2009-10-15 Panasonic Electric Works Co Ltd 調光装置
EP2104401B1 (en) * 2008-03-17 2013-08-14 Universal Lighting Technologies, Inc. Zero crossing detection of line voltage/current of variable amplitude

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04351495A (ja) * 1991-05-27 1992-12-07 Fujitsu General Ltd 空気調和機の制御方法
JP2677738B2 (ja) 1992-07-03 1997-11-17 株式会社日本プロテクター スイッチングレギュレータ
US5583402A (en) 1994-01-31 1996-12-10 Magnetek, Inc. Symmetry control circuit and method
FR2725324B1 (fr) 1994-09-30 1996-12-20 Sgs Thomson Microelectronics Regulateur de courant a decoupage
KR0152252B1 (ko) * 1995-11-16 1999-05-01 김광호 5핀을 갖는 능동역률보정집적회로
US6091205A (en) * 1997-10-02 2000-07-18 Lutron Electronics Co., Inc. Phase controlled dimming system with active filter for preventing flickering and undesired intensity changes
DE69919138T2 (de) 1998-02-13 2005-08-18 Lutron Electronics Co., Inc. Electronischer dimmer
DE19808890A1 (de) * 1998-03-03 1999-09-09 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltnetzteil mit aktiver Oberwellenbegrenzung
JP2000350462A (ja) 1999-06-01 2000-12-15 Sharp Corp 直流電源装置
JP2002280997A (ja) * 2001-03-21 2002-09-27 Sanyo Electric Co Ltd デジタル信号受信装置
US6900995B2 (en) 2001-11-29 2005-05-31 Iwatt, Inc. PWM power converter controlled by transistion detection of a comparator error signal
JP2004327152A (ja) * 2003-04-23 2004-11-18 Toshiba Lighting & Technology Corp Ｌｅｄ点灯装置およびｌｅｄ照明器具
JP2004351495A (ja) 2003-05-30 2004-12-16 Masao Hondo パルス通電による固体接合装置
CN1592067A (zh) 2003-08-28 2005-03-09 松下电器产业株式会社 电源装置以及使用该电源装置的空调机
KR100986762B1 (ko) * 2003-09-08 2010-10-08 페어차일드코리아반도체 주식회사 스위칭 전원 공급 장치 및 전원 공급 방법
US7071634B2 (en) 2004-01-07 2006-07-04 Lutron Electronics Co., Inc. Lighting control device having improved long fade off
US7265503B2 (en) 2004-04-08 2007-09-04 International Rectifier Corporation Applications of halogen convertor control IC
JP4630576B2 (ja) * 2004-06-03 2011-02-09 キヤノン株式会社 電力制御装置
CN100397263C (zh) 2004-09-01 2008-06-25 庞浩 一种具有定时功能的电功率调控方法及其系统
US7239119B2 (en) * 2004-11-05 2007-07-03 Power Integrations, Inc. Method and apparatus to provide temporary peak power from a switching regulator
JP2006319172A (ja) 2005-05-13 2006-11-24 Wako Denken Kk Ｌｅｄランプ調光用アダプタ装置
US7453709B2 (en) 2005-07-08 2008-11-18 Power Integrations, Inc. Method and apparatus for increasing the power capability of a power supply
JP4744966B2 (ja) * 2005-07-26 2011-08-10 パナソニック電工株式会社 発光ダイオード用直流電源装置およびそれを用いる照明器具
WO2007016373A2 (en) 2005-07-28 2007-02-08 Synditec, Inc. Pulsed current averaging controller with amplitude modulation and time division multiplexing for arrays of independent pluralities of light emitting diodes
US7400517B2 (en) 2006-07-03 2008-07-15 Semiconductor Components Industries, L.L.C. Power factor correction circuit and method therefor
US7898823B2 (en) * 2007-05-08 2011-03-01 Leadtrend Technology Corp. Quasi-resonant fly-back converter without auxiliary winding
US7936157B2 (en) 2007-05-29 2011-05-03 Fuji Electric Device Technology Co., Ltd. Switching power supply system
US7830682B2 (en) * 2007-12-19 2010-11-09 Honeywell International Inc. DC component elimination at output voltage of PWM inverters
US7843146B2 (en) * 2008-01-28 2010-11-30 Global Mixed-Mode Technology Inc. LED dimming control circuit
WO2009095836A2 (en) 2008-01-29 2009-08-06 Philips Intellectual Property & Standards Gmbh Electronic driver circuit and method
US8102167B2 (en) * 2008-03-25 2012-01-24 Microsemi Corporation Phase-cut dimming circuit
JP2009247101A (ja) * 2008-03-31 2009-10-22 Tdk Corp 充電装置
JP2009261143A (ja) 2008-04-17 2009-11-05 Panasonic Corp 電源装置及びそれを備えた空気調和機
KR100973009B1 (ko) * 2008-10-28 2010-07-30 삼성전기주식회사 발광소자 구동 장치
US8089216B2 (en) 2008-12-10 2012-01-03 Linear Technology Corporation Linearity in LED dimmer control
US8149600B2 (en) 2009-05-22 2012-04-03 Infineon Technologies Ag System and method for ringing suppression in a switched mode power supply
US8390435B2 (en) * 2009-08-07 2013-03-05 General Electric Company Apparatus for controlling integrated lighting ballasts in a series scheme
US8553439B2 (en) 2010-02-09 2013-10-08 Power Integrations, Inc. Method and apparatus for determining zero-crossing of an AC input voltage to a power supply
US8299730B2 (en) 2010-02-09 2012-10-30 Power Integrations, Inc. Integrated on-time extension for non-dissipative bleeding in a power supply
JP5780803B2 (ja) * 2011-03-29 2015-09-16 セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー Ｌｅｄ調光回路
JP2012212548A (ja) * 2011-03-31 2012-11-01 Mitsumi Electric Co Ltd 照明用電源装置
KR101948129B1 (ko) * 2012-02-17 2019-02-14 페어차일드코리아반도체 주식회사 스위치 제어 장치, 스위치 제어 방법, 및 스위치 제어 장치를 포함하는 전력 공급 장치
TWI496504B (zh) * 2013-04-26 2015-08-11 Unity Opto Technology Co Ltd Variable power dimming control circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101027564A (zh) * 2004-10-08 2007-08-29 Abb研究有限公司 用于在变换器中确定电流过零的方法
CN101447735A (zh) * 2007-11-28 2009-06-03 富士电机电子技术株式会社 开关电源装置
EP2104401B1 (en) * 2008-03-17 2013-08-14 Universal Lighting Technologies, Inc. Zero crossing detection of line voltage/current of variable amplitude
JP2009238520A (ja) * 2008-03-26 2009-10-15 Panasonic Electric Works Co Ltd 調光装置

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Publication number Publication date
EP2355316A1 (en) 2011-08-10
CN102193025B (zh) 2013-10-30
EP2355316B1 (en) 2016-10-19
JP6051265B2 (ja) 2016-12-27
US8553439B2 (en) 2013-10-08
US9263934B2 (en) 2016-02-16
US20130336019A1 (en) 2013-12-19
JP5753392B2 (ja) 2015-07-22
EP2642649A1 (en) 2013-09-25
US20110194312A1 (en) 2011-08-11
JP2011167059A (ja) 2011-08-25
CN102193025A (zh) 2011-09-21
CN103592503A (zh) 2014-02-19
JP2015179679A (ja) 2015-10-08

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