JP5942320B2 - 電源装置 - Google Patents
電源装置 Download PDFInfo
- Publication number
- JP5942320B2 JP5942320B2 JP2012168657A JP2012168657A JP5942320B2 JP 5942320 B2 JP5942320 B2 JP 5942320B2 JP 2012168657 A JP2012168657 A JP 2012168657A JP 2012168657 A JP2012168657 A JP 2012168657A JP 5942320 B2 JP5942320 B2 JP 5942320B2
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- Japan
- Prior art keywords
- circuit
- converter
- switching element
- power supply
- buck
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- 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.)
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/38—Switched mode power supply [SMPS] using boost topology
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
- H02H9/002—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off limiting inrush current on switching on of inductive loads subjected to remanence, e.g. transformers
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
- H02M3/1586—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel switched with a phase shift, i.e. interleaved
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Description
上記のサーミスタとしては、例えば160℃のときの抵抗値が25℃のときの抵抗値の約100倍になるような、比較的に急峻な温度特性を有するものが用いられる。
21 メインコンバータ(バックコンバータ)
22 サブコンバータ(バックコンバータ)
210,220 駆動回路
N1 一次巻線(インダクタ)
N2 二次巻線
PTH サーミスタ
Q0 サイリスタ
Q1,Q2 スイッチング素子
t1 遅れ時間
Claims (2)
- サイリスタと正の温度特性を有するサーミスタとの並列回路と、
前記並列回路を介して給電される直流電源回路と、
前記直流電源回路の出力端間に互いに並列に接続された複数個のバックコンバータとを備え、
各前記バックコンバータは、それぞれ、ダイオードとスイッチング素子との直列回路であって前記直流電源回路の出力端間に接続された直列回路と、両端が出力端を構成するコンデンサと、前記ダイオードと前記コンデンサとともにループを構成するインダクタと、前記スイッチング素子を駆動する駆動回路とを有し、
前記バックコンバータのうちの1個は、前記インダクタに二次巻線が設けられて前記二次巻線に誘導された電圧により前記サイリスタをオンするメインコンバータであり、
前記メインコンバータの前記駆動回路は、他の前記バックコンバータのいずれかで前記スイッチング素子の短絡が発生した場合には、前記スイッチング素子の駆動を停止するように構成され、
前記メインコンバータ以外の全ての前記バックコンバータにおいても、前記インダクタには二次巻線が設けられていて、
前記メインコンバータの前記駆動回路は、他の前記バックコンバータのいずれかで前記二次巻線に電圧が発生しなくなった場合に前記スイッチング素子の駆動を停止することを特徴とする電源装置。 - 前記メインコンバータの前記駆動回路は、始動後に所定の遅れ時間が経過するまでは、他の前記バックコンバータで前記スイッチング素子の短絡が発生しているか否かに関わらず前記スイッチング素子の駆動を行うことを特徴とする請求項1記載の電源装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012168657A JP5942320B2 (ja) | 2012-07-30 | 2012-07-30 | 電源装置 |
PCT/JP2013/004543 WO2014020875A1 (ja) | 2012-07-30 | 2013-07-26 | 電源装置 |
US14/417,714 US9350248B2 (en) | 2012-07-30 | 2013-07-26 | Power supply device with parallel buck converters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012168657A JP5942320B2 (ja) | 2012-07-30 | 2012-07-30 | 電源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014027853A JP2014027853A (ja) | 2014-02-06 |
JP5942320B2 true JP5942320B2 (ja) | 2016-06-29 |
Family
ID=50027582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012168657A Active JP5942320B2 (ja) | 2012-07-30 | 2012-07-30 | 電源装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9350248B2 (ja) |
JP (1) | JP5942320B2 (ja) |
WO (1) | WO2014020875A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6501177B2 (ja) * | 2014-12-25 | 2019-04-17 | パナソニックIpマネジメント株式会社 | 点灯装置、該点灯装置を用いた照明器具、並びに、前記照明器具を用いた照明システム |
US10020737B1 (en) | 2016-12-19 | 2018-07-10 | Hewlett Packard Enterprise Development Lp | Plurality of converters extending duty cycle by checking voltage thresholds |
GB2562511C (en) * | 2017-05-17 | 2019-12-04 | Baldwin & Francis Ltd | Improvements to control of transformer-fed electrical power supplies |
JP7175226B2 (ja) * | 2019-03-14 | 2022-11-18 | オムロン株式会社 | 電源装置 |
Family Cites Families (28)
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JPS622860A (ja) * | 1985-06-26 | 1987-01-08 | Fujitsu Ltd | スイツチング型電源装置の過電流保護方式 |
JP2522370B2 (ja) | 1988-12-09 | 1996-08-07 | 日本電気株式会社 | スイッチングレギュレ―タ並列運転装置 |
US5428268A (en) * | 1993-07-12 | 1995-06-27 | Led Corporation N.V. | Low frequency square wave electronic ballast for gas discharge |
JP3174993B2 (ja) * | 1995-05-12 | 2001-06-11 | 株式会社小糸製作所 | 放電灯点灯回路 |
JP3294185B2 (ja) * | 1998-01-16 | 2002-06-24 | 株式会社三社電機製作所 | アーク利用機器用直流電源装置 |
US6504322B2 (en) * | 2000-04-18 | 2003-01-07 | Matsushita Electric Industrial Co., Ltd. | Discharge lamp operating apparatus |
TW586334B (en) * | 2001-09-10 | 2004-05-01 | Matsushita Electric Ind Co Ltd | Self-ballasted fluorescent lamp |
JP3620497B2 (ja) * | 2001-12-03 | 2005-02-16 | 株式会社村田製作所 | スイッチング電源装置 |
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KR100791717B1 (ko) * | 2004-12-08 | 2008-01-03 | 산켄덴키 가부시키가이샤 | 다출력 전류 공진형 dc-dc 컨버터 |
JP4347231B2 (ja) * | 2005-01-27 | 2009-10-21 | 富士通マイクロエレクトロニクス株式会社 | マルチフェーズdc−dcコンバータ及びマルチフェーズdc−dcコンバータの制御回路 |
JP4671020B2 (ja) * | 2005-01-28 | 2011-04-13 | サンケン電気株式会社 | 多出力共振型dc−dcコンバータ |
JP4796849B2 (ja) | 2006-01-12 | 2011-10-19 | 日立アプライアンス株式会社 | 直流電源装置、発光ダイオード用電源、及び照明装置 |
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JP5735728B2 (ja) | 2009-01-30 | 2015-06-17 | パナソニック株式会社 | Led照明器具 |
JP5729854B2 (ja) | 2009-09-30 | 2015-06-03 | 東芝ライテック株式会社 | 電源装置およびled照明器具 |
WO2011084525A1 (en) * | 2009-12-16 | 2011-07-14 | Exclara, Inc. | Adaptive current regulation for solid state lighting |
CN102158079B (zh) * | 2010-01-26 | 2014-01-29 | 松下电器产业株式会社 | 电源装置和照明器具 |
JP5796175B2 (ja) * | 2010-02-22 | 2015-10-21 | パナソニックIpマネジメント株式会社 | Led点灯回路 |
JP5699272B2 (ja) | 2010-09-16 | 2015-04-08 | パナソニックIpマネジメント株式会社 | 半導体発光素子の点灯装置およびそれを用いた照明器具 |
JP5606877B2 (ja) * | 2010-11-01 | 2014-10-15 | シャープ株式会社 | バックコンバータ |
JP5043176B2 (ja) * | 2010-11-02 | 2012-10-10 | 三菱電機株式会社 | 光源点灯装置及び照明器具 |
JP5796206B2 (ja) * | 2011-01-28 | 2015-10-21 | パナソニックIpマネジメント株式会社 | スイッチング電源回路とそれを用いた半導体発光素子の点灯装置及び照明器具 |
JP5887524B2 (ja) * | 2011-04-19 | 2016-03-16 | パナソニックIpマネジメント株式会社 | 電源装置 |
JP5838346B2 (ja) * | 2011-10-24 | 2016-01-06 | パナソニックIpマネジメント株式会社 | 点灯装置および、これを用いた照明器具 |
EP2775598B1 (en) * | 2013-03-05 | 2018-01-17 | Dialog Semiconductor GmbH | Active avalanche protection for flyback converter |
-
2012
- 2012-07-30 JP JP2012168657A patent/JP5942320B2/ja active Active
-
2013
- 2013-07-26 US US14/417,714 patent/US9350248B2/en active Active
- 2013-07-26 WO PCT/JP2013/004543 patent/WO2014020875A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2014027853A (ja) | 2014-02-06 |
US20150207412A1 (en) | 2015-07-23 |
US9350248B2 (en) | 2016-05-24 |
WO2014020875A1 (ja) | 2014-02-06 |
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