JP6287937B2 - 電源システム - Google Patents
電源システム Download PDFInfo
- Publication number
- JP6287937B2 JP6287937B2 JP2015080584A JP2015080584A JP6287937B2 JP 6287937 B2 JP6287937 B2 JP 6287937B2 JP 2015080584 A JP2015080584 A JP 2015080584A JP 2015080584 A JP2015080584 A JP 2015080584A JP 6287937 B2 JP6287937 B2 JP 6287937B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- switching
- output
- photocoupler
- terminal
- 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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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
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/80—Details relating to power supplies, circuits boards, electrical connections
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/005—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting using a power saving mode
-
- 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
- H02M3/26—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes without control electrode or semiconductor devices without control electrode to produce the intermediate ac
-
- 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
- H02M3/285—Single converters with a plurality of output stages connected in parallel
-
- 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
- H02M3/33538—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 of the forward type
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5004—Power supply control, e.g. power-saving mode, automatic power turn-off
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
-
- 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
Description
Claims (4)
- 低周波トランス電源とスイッチング電源とを備え、該低周波トランス電源の出力と該スイッチング電源の出力とが逆流防止ダイオードを介して並列化されて出力される端子、該低周波トランス電源のオンオフを制御する信号が入力される端子、及び、該スイッチング電源のオンオフを制御する信号が入力される端子を有する電源システムであって、
該スイッチング電源は、
スイッチング電源用のトランスの1次巻線と接地との間に接続される第1スイッチング素子と、
該スイッチング電源用のトランスの2次巻線側に接続される整流平滑回路と、
該整流平滑回路の出力電圧値を検出する出力電圧検出回路と、
該出力電圧値を制御回路に伝送するフォトカプラと、
該スイッチング電源をオフさせる停止信号を受け取る第2スイッチング素子と、
該第2スイッチング素子が該停止信号を受けとったときに、該低周波トランス電源の出力端子でもあり該スイッチング電源の出力端子でもある出力点から電力をフォトカプラに供給し、該フォトカプラを介して該スイッチング電源の該停止信号を該制御回路に伝送するフォトカプラ駆動回路と、
を備える、電源システム。 - 前記フォトカプラは前記出力電圧検出回路側に設けられる発光素子と、前記制御回路側に設けられる受光素子とで構成され、
前記フォトカプラ駆動回路は、
前記出力点にエミッタ端子が接続され、該発光素子のアノードに駆動抵抗素子を介してコレクタ端子が接続され、ベース端子が前記第2スイッチング素子の出力端子に接続される電力供給スイッチング素子と、
前記停止信号を受け取ったときに該発光素子のカソードを接地させる接地スイッチング素子と、
を含む、請求項1に記載の電源システム。 - 前記駆動抵抗素子は、
前記発光素子の駆動電流値Idに変換率CTRを乗じて算出される前記受光素子の検出電流値Icが所定の停止信号閾値電流値Icthとなるときの該発光素子の閾値駆動電流値Idth以上の電流を供給できる抵抗値に設定され、
前記制御回路は、該受光素子の検出電流値Icが停止信号閾値電流値Icthとなることを検出して前記スイッチング電源の動作を停止させる、請求項2に記載の電源システム。 - 前記停止信号は、
前記低周波トランス電源が駆動される間は、状態が遷移している途中を除き、継続して出力される、請求項1から3のいずれか1に記載の電源システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015080584A JP6287937B2 (ja) | 2015-04-10 | 2015-04-10 | 電源システム |
US15/090,407 US9966862B2 (en) | 2015-04-10 | 2016-04-04 | Power supply system with photocoupler drive circuit |
EP16163615.4A EP3079244B1 (en) | 2015-04-10 | 2016-04-04 | Power supply system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015080584A JP6287937B2 (ja) | 2015-04-10 | 2015-04-10 | 電源システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016201903A JP2016201903A (ja) | 2016-12-01 |
JP6287937B2 true JP6287937B2 (ja) | 2018-03-07 |
Family
ID=55650333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015080584A Expired - Fee Related JP6287937B2 (ja) | 2015-04-10 | 2015-04-10 | 電源システム |
Country Status (3)
Country | Link |
---|---|
US (1) | US9966862B2 (ja) |
EP (1) | EP3079244B1 (ja) |
JP (1) | JP6287937B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6149953B1 (ja) * | 2016-02-01 | 2017-06-21 | オンキヨー株式会社 | 保護回路、及び、スイッチング電源 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3396768B2 (ja) * | 1994-11-25 | 2003-04-14 | 三菱電機株式会社 | スイッチング電源回路 |
WO1996031940A1 (en) * | 1995-04-05 | 1996-10-10 | Philips Electronics N.V. | Switched-mode power supply |
KR0174724B1 (ko) | 1996-03-29 | 1999-04-01 | 김광호 | 역률 보정 회로를 갖는 디스플레이 모니터 전원 공급 장치 |
EP1355410A1 (en) | 1997-04-30 | 2003-10-22 | Fidelix Y.K. | A power supply apparatus |
US5812383A (en) * | 1997-07-31 | 1998-09-22 | Philips Electronics North North America Corporation | Low power stand-by for switched-mode power supply circuit with burst mode operation |
US5852550A (en) * | 1997-08-04 | 1998-12-22 | Philips Electronics North America Corporation | Switched-mode power supply circuit having a very low power stand-by mode |
US6195271B1 (en) | 1999-04-21 | 2001-02-27 | International Business Machines Corporation | AC adaptor with power consumption reduction in unused state |
JP4618468B2 (ja) * | 2000-04-07 | 2011-01-26 | ソニー株式会社 | 電源装置 |
JP2001352754A (ja) * | 2000-06-06 | 2001-12-21 | Sony Corp | 電源供給装置および方法 |
EP1160964A3 (en) * | 2000-06-01 | 2004-05-06 | Sony Corporation | Power supplying apparatus and methods |
JP4682438B2 (ja) | 2001-04-18 | 2011-05-11 | Tdkラムダ株式会社 | スイッチング電源装置 |
JP4117676B2 (ja) * | 2002-01-17 | 2008-07-16 | 横河電機株式会社 | スイッチング電源装置 |
JP4114047B2 (ja) * | 2002-07-24 | 2008-07-09 | ミツミ電機株式会社 | スイッチング電源回路 |
JP4200364B2 (ja) * | 2003-04-10 | 2008-12-24 | ミツミ電機株式会社 | スイッチング式acアダプタ回路 |
JP2008172914A (ja) * | 2007-01-11 | 2008-07-24 | Canon Inc | 電源装置および画像形成装置 |
TW200847602A (en) * | 2007-05-29 | 2008-12-01 | Richtek Techohnology Corp | Apparatus and method of improving flyback transformer light-loading efficacy |
KR101057684B1 (ko) * | 2011-03-31 | 2011-08-18 | 주식회사 동운아나텍 | 조명 구동 장치 |
US20130016535A1 (en) * | 2011-07-12 | 2013-01-17 | Power Systems Technologies, Ltd. | Controller for a Power Converter and Method of Operating the Same |
JP2013198184A (ja) * | 2012-03-16 | 2013-09-30 | Onkyo Corp | 電源回路 |
JP5915471B2 (ja) * | 2012-09-06 | 2016-05-11 | オンキヨー株式会社 | スイッチング電源 |
-
2015
- 2015-04-10 JP JP2015080584A patent/JP6287937B2/ja not_active Expired - Fee Related
-
2016
- 2016-04-04 US US15/090,407 patent/US9966862B2/en active Active
- 2016-04-04 EP EP16163615.4A patent/EP3079244B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
JP2016201903A (ja) | 2016-12-01 |
US20160301318A1 (en) | 2016-10-13 |
US9966862B2 (en) | 2018-05-08 |
EP3079244B1 (en) | 2017-10-18 |
EP3079244A1 (en) | 2016-10-12 |
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