JP2006049127A - 照明用光源の点灯装置 - Google Patents
照明用光源の点灯装置 Download PDFInfo
- Publication number
- JP2006049127A JP2006049127A JP2004229376A JP2004229376A JP2006049127A JP 2006049127 A JP2006049127 A JP 2006049127A JP 2004229376 A JP2004229376 A JP 2004229376A JP 2004229376 A JP2004229376 A JP 2004229376A JP 2006049127 A JP2006049127 A JP 2006049127A
- Authority
- JP
- Japan
- Prior art keywords
- light source
- circuit
- switching element
- illumination light
- control
- 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.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
-
- 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
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/2821—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage
- H05B41/2824—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage using control circuits for the switching element
-
- 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]
- H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
-
- 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]
- H05B45/385—Switched mode power supply [SMPS] using flyback topology
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
【解決手段】 照明用光源(放電灯等)の点灯装置において、フライバック型構成の直流−直流変換回路3がトランス10及びスイッチング素子12を有する。照明用光源への供給電力を制御するための制御回路を備え、該制御回路からスイッチング素子12に送られる制御信号によって電流境界モードでの動作制御が行われる。照明用光源の電力制御に係る目標電力値を基準として、該照明用光源への供給電力を変化させることでスイッチング素子の駆動周波数に揺らぎを付与するために揺らぎ発生回路16を設けた。
【選択図】 図2
Description
・電流境界モード
・電流不連続モード。
Claims (2)
- 直流入力電圧を所望の直流電圧に変換するためにトランス及びスイッチング素子を有するフライバック型構成とされた直流−直流変換回路と、照明用光源への供給電力を制御するための制御回路とを備え、該制御回路から上記スイッチング素子に送られる制御信号によって電流境界モードでの動作制御が行われるように構成された、照明用光源の点灯装置において、
上記照明用光源の電力制御に係る目標電力値を基準として、該照明用光源への供給電力を変化させることで上記スイッチング素子の駆動周波数に揺らぎを付与するための揺らぎ発生回路を設けた
ことを特徴とする照明用光源の点灯装置。 - 請求項1に記載した照明用光源の点灯装置において、
上記制御回路が、誤差演算部と、上記スイッチング素子への制御信号を生成する制御信号生成部を備え、
上記誤差演算部の一方の入力信号として所定の基準信号が供給され、他方の入力信号として、上記照明用光源に係る電圧又は電流の検出情報に基づいて算出される電力制御信号に対して上記揺らぎ発生回路の出力信号を重畳した信号が供給される
ことを特徴とする照明用光源の点灯装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004229376A JP2006049127A (ja) | 2004-08-05 | 2004-08-05 | 照明用光源の点灯装置 |
CNB2005100878638A CN100525575C (zh) | 2004-08-05 | 2005-08-01 | 照明用光源的点亮装置 |
GB0516001A GB2416936B (en) | 2004-08-05 | 2005-08-03 | Lighting apparatus for illumination light source |
US11/197,321 US7271544B2 (en) | 2004-08-05 | 2005-08-05 | Lighting apparatus for illumination light source |
DE102005037004A DE102005037004B4 (de) | 2004-08-05 | 2005-08-05 | Beleuchtungseinrichtung für Beleuchtungslichtquelle |
FR0508367A FR2874152B1 (fr) | 2004-08-05 | 2005-08-05 | Dispositif d'eclairage destine a une source lumineuse d'eclairage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004229376A JP2006049127A (ja) | 2004-08-05 | 2004-08-05 | 照明用光源の点灯装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006049127A true JP2006049127A (ja) | 2006-02-16 |
Family
ID=34984047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004229376A Pending JP2006049127A (ja) | 2004-08-05 | 2004-08-05 | 照明用光源の点灯装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7271544B2 (ja) |
JP (1) | JP2006049127A (ja) |
CN (1) | CN100525575C (ja) |
DE (1) | DE102005037004B4 (ja) |
FR (1) | FR2874152B1 (ja) |
GB (1) | GB2416936B (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007124886A (ja) * | 2005-09-29 | 2007-05-17 | Clarion Co Ltd | スイッチング電源装置 |
JP2013016855A (ja) * | 2012-09-25 | 2013-01-24 | Panasonic Corp | 電源装置および灯具、車両 |
JP2014204547A (ja) * | 2013-04-04 | 2014-10-27 | 三菱電機株式会社 | Dc−dc電圧変換装置及び重畳方法 |
US8963425B2 (en) | 2008-05-26 | 2015-02-24 | Panasonic Corporation | Power supply device, lamp fitting, and vehicle |
JP5703029B2 (ja) * | 2009-01-07 | 2015-04-15 | 東邦チタニウム株式会社 | オレフィン類重合用固体触媒成分の製造方法及び触媒、並びにオレフィン類重合体の製造方法 |
WO2024009685A1 (ja) * | 2022-07-04 | 2024-01-11 | ローム株式会社 | スイッチング電源装置およびその制御方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4916711B2 (ja) * | 2005-12-09 | 2012-04-18 | ローム株式会社 | Dc/dcコンバータの制御回路、制御方法、およびそれを用いた発光装置ならびに電子機器 |
JP2008053110A (ja) * | 2006-08-25 | 2008-03-06 | Koito Mfg Co Ltd | 放電灯点灯回路 |
US7880396B2 (en) * | 2007-06-14 | 2011-02-01 | Seiko Epson Corporation | Projector device employing ballast with flyback converter |
US7812552B2 (en) * | 2008-02-05 | 2010-10-12 | System General Corp. | Controller of LED lighting to control the maximum voltage of LEDS and the maximum voltage across current sources |
DE102008008181A1 (de) * | 2008-02-08 | 2009-08-13 | Audi Ag | Verfahren zum Betrieb einer Kraftfahrzeugbeleuchtungseinrichtung |
US20110285367A1 (en) * | 2010-05-21 | 2011-11-24 | General Electric Company | Systems, methods, and apparatus for controlling bi-directional servo actuator using an h-bridge with hysteresis control |
DE102011018573A1 (de) | 2011-04-26 | 2012-10-31 | Audi Ag | Ansteuervorrichtung für eine Beleuchtungseinrichtung eines Kraftfahrzeugs und Kraftfahrzeug |
CN102761264A (zh) * | 2011-04-29 | 2012-10-31 | 京东方科技集团股份有限公司 | 一种Boost升压电路、背光驱动装置及液晶显示器 |
TWI481305B (zh) * | 2012-10-12 | 2015-04-11 | Lextar Electronics Corp | 發光模組、發光二極體驅動電路及發光二極體之驅動方法 |
EP3672372A1 (en) * | 2018-12-21 | 2020-06-24 | Valeo Vision | Method for maintaining luminosity when switching input power in automotive lighting devices |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4611150A (en) * | 1984-08-16 | 1986-09-09 | Microlite, Inc. | Load responsive inverter for electroluminescent lamp |
JP4213253B2 (ja) * | 1998-05-28 | 2009-01-21 | ハリソン東芝ライティング株式会社 | 高圧放電ランプ用点灯装置、高圧放電ランプ点灯装置、照明装置および車両 |
JP2000224849A (ja) * | 1999-01-25 | 2000-08-11 | Samsung Electro Mech Co Ltd | ゼロ電圧スイッチングのための同期整流器フライバック回路 |
DE19915795C2 (de) | 1999-04-08 | 2003-04-17 | Hella Kg Hueck & Co | Vorschaltgerät für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug |
JP2002043087A (ja) * | 2000-07-26 | 2002-02-08 | Toshiba Lighting & Technology Corp | 放電灯点灯装置及び照明装置 |
JP2002216986A (ja) * | 2001-01-12 | 2002-08-02 | Matsushita Electric Works Ltd | 放電灯点灯装置 |
JP3839737B2 (ja) | 2002-03-01 | 2006-11-01 | 株式会社小糸製作所 | 直流電圧変換回路 |
JP2003264095A (ja) | 2002-03-08 | 2003-09-19 | Koito Mfg Co Ltd | 放電灯点灯回路 |
US7091874B2 (en) * | 2003-04-18 | 2006-08-15 | Smithson Bradley D | Temperature compensated warning light |
JP4247048B2 (ja) * | 2003-06-05 | 2009-04-02 | 株式会社小糸製作所 | 直流電圧変換回路 |
JP2005026071A (ja) * | 2003-07-02 | 2005-01-27 | Koito Mfg Co Ltd | 放電灯点灯回路 |
-
2004
- 2004-08-05 JP JP2004229376A patent/JP2006049127A/ja active Pending
-
2005
- 2005-08-01 CN CNB2005100878638A patent/CN100525575C/zh not_active Expired - Fee Related
- 2005-08-03 GB GB0516001A patent/GB2416936B/en not_active Expired - Fee Related
- 2005-08-05 DE DE102005037004A patent/DE102005037004B4/de not_active Expired - Fee Related
- 2005-08-05 FR FR0508367A patent/FR2874152B1/fr not_active Expired - Fee Related
- 2005-08-05 US US11/197,321 patent/US7271544B2/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007124886A (ja) * | 2005-09-29 | 2007-05-17 | Clarion Co Ltd | スイッチング電源装置 |
US8963425B2 (en) | 2008-05-26 | 2015-02-24 | Panasonic Corporation | Power supply device, lamp fitting, and vehicle |
JP5703029B2 (ja) * | 2009-01-07 | 2015-04-15 | 東邦チタニウム株式会社 | オレフィン類重合用固体触媒成分の製造方法及び触媒、並びにオレフィン類重合体の製造方法 |
JP2013016855A (ja) * | 2012-09-25 | 2013-01-24 | Panasonic Corp | 電源装置および灯具、車両 |
JP2014204547A (ja) * | 2013-04-04 | 2014-10-27 | 三菱電機株式会社 | Dc−dc電圧変換装置及び重畳方法 |
WO2024009685A1 (ja) * | 2022-07-04 | 2024-01-11 | ローム株式会社 | スイッチング電源装置およびその制御方法 |
Also Published As
Publication number | Publication date |
---|---|
DE102005037004B4 (de) | 2010-12-30 |
CN100525575C (zh) | 2009-08-05 |
US20060028148A1 (en) | 2006-02-09 |
GB0516001D0 (en) | 2005-09-07 |
CN1731910A (zh) | 2006-02-08 |
US7271544B2 (en) | 2007-09-18 |
DE102005037004A1 (de) | 2006-03-16 |
GB2416936A (en) | 2006-02-08 |
FR2874152A1 (fr) | 2006-02-10 |
GB2416936B (en) | 2007-01-10 |
FR2874152B1 (fr) | 2012-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7271544B2 (en) | Lighting apparatus for illumination light source | |
US8581518B2 (en) | Triac dimmer compatible switching mode power supply and method thereof | |
US6639811B2 (en) | Switching power supply unit | |
US8270190B2 (en) | Fixed-off-time power factor correction controller | |
US8169799B2 (en) | Power factor correction circuit | |
US11596035B2 (en) | Dimming control circuit, dimming control method and LED driver thereof | |
KR20010098937A (ko) | 발광 다이오드 구동 장치 | |
US20180004240A1 (en) | Device and method for quasi-resonant-mode voltage control of a switching converter | |
JP2006067730A (ja) | 力率改善回路 | |
JP6382059B2 (ja) | スイッチング電源回路 | |
JP3839737B2 (ja) | 直流電圧変換回路 | |
JP4247048B2 (ja) | 直流電圧変換回路 | |
JP2012084489A (ja) | Led点灯装置およびled照明装置 | |
US9774245B1 (en) | PFC switching power conversion circuit providing low total harmonic distortion | |
US7176638B2 (en) | Discharge lamp lighting circuit | |
JP2009272255A (ja) | 放電灯点灯装置、照明装置 | |
JP2019075218A (ja) | 調光機能付き照明用電源装置 | |
JP4014576B2 (ja) | 無電極放電ランプ電源装置 | |
JP3677505B2 (ja) | スイッチングレギュレータの駆動方法 | |
US9748849B2 (en) | Power supply | |
JP6300610B2 (ja) | Led電源装置及びled照明装置 | |
JP6116153B2 (ja) | 照明用led電源装置 | |
JP6810150B2 (ja) | スイッチング電源装置および半導体装置 | |
US20240055983A1 (en) | Multi-mode pfc circuit and control method thereof | |
JP5644089B2 (ja) | 多出力スイッチング電源装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070530 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080912 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080918 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081112 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20090319 |