JP2007104429A - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- JP2007104429A JP2007104429A JP2005292801A JP2005292801A JP2007104429A JP 2007104429 A JP2007104429 A JP 2007104429A JP 2005292801 A JP2005292801 A JP 2005292801A JP 2005292801 A JP2005292801 A JP 2005292801A JP 2007104429 A JP2007104429 A JP 2007104429A
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- 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
- H02M3/33561—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 having more than one ouput with independent control
-
- 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
- H02M3/33569—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 having several active switching elements
- H02M3/33576—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
-
- 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
- H02M3/337—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 in push-pull configuration
- H02M3/3376—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 in push-pull configuration with automatic control of output voltage or current
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Inverter Devices (AREA)
- Amplifiers (AREA)
Abstract
【解決手段】本発明による電力変換装置は、直流電源(1)に直列に接続された2つの主MOS-FET(4,5)と、2つの主MOS-FET(4,5)に並列に接続された2つのコンデンサ(3a,3b)とを有する発振回路(2)と、各主MOS-FET(4,5)の接続点と各コンデンサ(3a,3b)の接続点との間に接続されたトランス(9)の1次巻線(9a)と、トランス(9)の2次巻線(9b,9c)の一端及び他端とスピーカ(15,40)との間にそれぞれ接続された第1の制御用MOS-FET(10,35)と第2の制御用MOS-FET(11,36)との電力制御回路(12,37)と、各主MOS-FET(4,5)のオン・オフにより2次巻線(9b,9c)に発生する交流電圧の極性を検出する極性検出回路(51)と、極性検出回路(51)の検出信号により第1及び第2の制御用MOS-FET(10,11;35,36)をオン・オフ制御する駆動回路(24,25;49,50)とを備える。
【選択図】図1
Description
Claims (7)
- 直流電源に直列に接続された少なくとも2つの主スイッチング素子と、該主スイッチング素子に並列に且つ前記直流電源に直列に接続された少なくとも2つのコンデンサ又は2つの副スイッチング素子とを有する発振回路と、
前記主スイッチング素子の接続点と前記2つのコンデンサ又は前記2つの副スイッチング素子との接続点との間に接続されたトランスの1次巻線と、
前記トランスの2次巻線の一端及び他端と負荷との間にそれぞれ接続された第1の制御用スイッチング素子と第2の制御用スイッチング素子との出力回路と、
前記発振回路を構成する各スイッチング素子のオン・オフにより前記トランスの2次巻線に発生する交流電圧の極性を検出して検出信号を発生する極性検出回路と、
該極性検出回路の検出信号により前記第1の制御用スイッチング素子と第2の制御用スイッチング素子をオン・オフ制御する駆動回路とを備えたことを特徴とする電力変換装置。 - 直流電源に対して並列に接続された2組の主スイッチング素子とトランスの1次巻線との直列回路を有し且つ2つの前記1次巻線の一端同士が接続された発振回路と、
前記トランスの2次巻線の一端及び他端と負荷との間にそれぞれ接続された第1の制御用スイッチング素子と第2の制御用スイッチング素子との出力回路と、
前記発振回路を構成する各スイッチング素子のオン・オフにより前記トランスの2次巻線に発生する交流電圧の極性を検出して検出信号を発生する極性検出回路と、
該極性検出回路の検出信号により前記第1の制御用スイッチング素子と第2の制御用スイッチング素子をオン・オフ制御する駆動回路とを備えたことを特徴とする電力変換装置。 - 前記出力回路中に接続されたチョークコイルと、
前記負荷に対して並列に接続されたフィルタコンデンサと、
外部入力信号の電圧と前記負荷の印加電圧との電位差によりパルス幅又はパルス密度が変化するパルス変調信号を形成するパルス変調回路と、
該パルス変調回路のパルス変調信号の電圧レベル及び前記極性検出回路の検出信号の電圧レベルが共に第1の電圧レベルのときに前記第1の制御用スイッチング素子をオン駆動し、前記パルス変調回路のパルス変調信号の電圧レベル及び前記極性検出回路の検出信号の電圧レベルが共に第2の電圧レベルのときに前記第2の制御用スイッチング素子をオン駆動する信号切換回路とを備え、
前記第1及び第2の制御用スイッチング素子を交互にオン・オフすることにより、前記トランスの2次巻線から前記チョークコイル及び前記フィルタコンデンサを介して前記負荷に前記外部入力信号と相似な電圧波形を有する交流電力を供給する請求項1又は2に記載の電力変換装置。 - 前記出力回路中に接続されたチョークコイルと、
前記負荷に対して並列に接続されたフィルタコンデンサと、
外部入力信号の電圧と前記負荷の印加電圧との電位差によりパルス幅又はパルス密度が変化するパルス変調信号を形成するパルス変調回路と、
該パルス変調回路のパルス変調信号の電圧レベルが第1の電圧レベルで且つ前記極性検出回路の検出信号の電圧レベルが第2の電圧レベルのときに前記第1の制御用スイッチング素子をオン駆動し、前記パルス変調回路のパルス変調信号の電圧レベルが第2の電圧レベルで且つ前記極性検出回路の検出信号の電圧レベルが第1の電圧レベルのときに前記第2の制御用スイッチング素子をオン駆動する信号切換回路とを備え、
前記第1及び第2の制御用スイッチング素子を交互にオン・オフすることにより、前記トランスの2次巻線から前記チョークコイル及び前記フィルタコンデンサを介して前記負荷に前記外部入力信号と相似な電圧波形を有する交流電力を供給する請求項1又は2に記載の電力変換装置。 - 前記パルス変調回路のパルス変調信号の電圧レベルの反転時に前記第1又は第2の制御用スイッチング素子をオフからオンに切り換え、前記極性検出回路の検出信号の電圧レベルの反転時に前記第1又は第2の制御用スイッチング素子をオンからオフに切り換える請求項3又は4に記載の電力変換装置。
- チョークコイルは、トランスの漏洩インダクタンスである請求項3〜5の何れか1項に記載の電力変換装置。
- 前記発振回路を構成する各スイッチング素子は、50%のデューティ比で交互にオン・オフ駆動される請求項1〜6の何れか1項に記載の電力変換装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005292801A JP4735826B2 (ja) | 2005-10-05 | 2005-10-05 | 電力変換装置 |
US11/543,330 US7567443B2 (en) | 2005-10-05 | 2006-10-04 | Power converter |
Applications Claiming Priority (1)
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JP2005292801A JP4735826B2 (ja) | 2005-10-05 | 2005-10-05 | 電力変換装置 |
Publications (2)
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JP2007104429A true JP2007104429A (ja) | 2007-04-19 |
JP4735826B2 JP4735826B2 (ja) | 2011-07-27 |
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JP2005292801A Expired - Fee Related JP4735826B2 (ja) | 2005-10-05 | 2005-10-05 | 電力変換装置 |
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Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4030550B2 (ja) * | 2005-02-28 | 2008-01-09 | Tdk株式会社 | 電源装置 |
US20070103942A1 (en) * | 2005-11-08 | 2007-05-10 | Mstar Semiconductor, Inc. | Backlight module, inverter, and DC voltage generating method thereof |
US8649191B2 (en) * | 2009-02-10 | 2014-02-11 | System General Corporation | Synchronous rectifier having phase lock circuit coupled to feedback loop for resonant power converters |
DE102010012190A1 (de) * | 2010-03-19 | 2011-09-22 | Fachhochschule Köln | Geschalteter Verstärker und Verfahren zu dessen Betrieb |
US8854840B2 (en) * | 2010-05-25 | 2014-10-07 | System General Corporation | Method and apparatus to improve dynamic response of the synchronous rectifying for resonant power converters |
EP2710721A4 (en) * | 2011-05-20 | 2015-03-18 | Enphase Energy Inc | RESONANT POWER CONVERSION CIRCUIT |
EP2533408B1 (en) * | 2011-05-25 | 2020-01-22 | Icepower A/S | Power supply arrangement for single ended class D amplifier |
US8570006B2 (en) * | 2011-07-21 | 2013-10-29 | Intersil Americas Inc. | Device and method for controlling a buck-boost converter |
JP6760051B2 (ja) * | 2016-12-27 | 2020-09-23 | Tdk株式会社 | コンバータ装置 |
CN109698623B (zh) * | 2017-10-20 | 2021-11-16 | 泰达电子股份有限公司 | 一种功率模块以及功率电路 |
JP6570671B2 (ja) * | 2018-02-01 | 2019-09-04 | 油研工業株式会社 | 誘導負荷の両極性電流制御駆動回路 |
IT201800007263A1 (it) * | 2018-07-17 | 2020-01-17 | Sensore ottico a bassa potenza per applicazioni di consumo, industriali e automobilistiche | |
TWI746294B (zh) * | 2020-11-27 | 2021-11-11 | 宏碁股份有限公司 | 低損耗之電源供應器 |
CN112928807B (zh) * | 2021-01-28 | 2022-09-23 | 湖南炬神电子有限公司 | 一种双路变压器并联控制电路 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57107620A (en) * | 1980-12-24 | 1982-07-05 | Toshiba Corp | Power amplifier |
JPS58219807A (ja) * | 1982-06-14 | 1983-12-21 | Nippon Gakki Seizo Kk | パルス幅変調増幅器 |
JPH0919135A (ja) * | 1995-06-30 | 1997-01-17 | Mitsubishi Electric Corp | Dc/dcコンバータ |
JPH0946144A (ja) * | 1995-07-28 | 1997-02-14 | Matsushita Electric Ind Co Ltd | 絶縁型d級増幅器 |
JP2002151979A (ja) * | 2000-11-09 | 2002-05-24 | Sony Corp | Pwmオーディオ増幅装置 |
JP2002369516A (ja) * | 2001-06-04 | 2002-12-20 | Tdk Corp | スイッチング電源装置 |
JP2003204229A (ja) * | 2002-01-08 | 2003-07-18 | Sharp Corp | デジタルスイッチングアンプ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0293869B1 (en) * | 1987-06-05 | 1993-09-01 | Hitachi, Ltd. | Power conversion system |
JPH0823421A (ja) | 1994-07-08 | 1996-01-23 | Pfu Ltd | イメージスキャナ装置 |
JP4228229B2 (ja) * | 2004-09-30 | 2009-02-25 | サンケン電気株式会社 | 直流電源装置 |
-
2005
- 2005-10-05 JP JP2005292801A patent/JP4735826B2/ja not_active Expired - Fee Related
-
2006
- 2006-10-04 US US11/543,330 patent/US7567443B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57107620A (en) * | 1980-12-24 | 1982-07-05 | Toshiba Corp | Power amplifier |
JPS58219807A (ja) * | 1982-06-14 | 1983-12-21 | Nippon Gakki Seizo Kk | パルス幅変調増幅器 |
JPH0919135A (ja) * | 1995-06-30 | 1997-01-17 | Mitsubishi Electric Corp | Dc/dcコンバータ |
JPH0946144A (ja) * | 1995-07-28 | 1997-02-14 | Matsushita Electric Ind Co Ltd | 絶縁型d級増幅器 |
JP2002151979A (ja) * | 2000-11-09 | 2002-05-24 | Sony Corp | Pwmオーディオ増幅装置 |
JP2002369516A (ja) * | 2001-06-04 | 2002-12-20 | Tdk Corp | スイッチング電源装置 |
JP2003204229A (ja) * | 2002-01-08 | 2003-07-18 | Sharp Corp | デジタルスイッチングアンプ |
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Publication number | Publication date |
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JP4735826B2 (ja) | 2011-07-27 |
US20070076446A1 (en) | 2007-04-05 |
US7567443B2 (en) | 2009-07-28 |
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