JP5337153B2 - 負荷のための駆動装置及びこのような駆動装置を用いて負荷を駆動させる方法 - Google Patents
負荷のための駆動装置及びこのような駆動装置を用いて負荷を駆動させる方法 Download PDFInfo
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- JP5337153B2 JP5337153B2 JP2010514221A JP2010514221A JP5337153B2 JP 5337153 B2 JP5337153 B2 JP 5337153B2 JP 2010514221 A JP2010514221 A JP 2010514221A JP 2010514221 A JP2010514221 A JP 2010514221A JP 5337153 B2 JP5337153 B2 JP 5337153B2
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- energy storage
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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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
-
- 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]
-
- 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
- H02M1/0006—Arrangements for supplying an adequate voltage to the control circuit of converters
-
- 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]
Description
前記負荷に並列なシャントスイッチと、
このシャントスイッチを制御する制御ユニットと、
少なくとも前記制御ユニットへエネルギを供給するように構成されるエネルギ蓄積要素と、
前記エネルギ蓄積要素に直列に接続される再充電制御回路と、
を含み、前記エネルギ蓄積要素及び前記再充電制御回路の直列接続が、前記シャントスイッチに並列に設けられ、前記制御ユニットが、前記エネルギ蓄積要素が再充電されるべき場合に、前記再充電制御回路を有効化させ、且つ、前記シャントスイッチをオフにスイッチするように構成される、駆動装置
によって達成される。
前記再充電制御回路を有効化させるステップと、
前記シャントスイッチをオンからオフへ切り替えるステップと、
前記シャントスイッチを、所定の期間の後及び/又は前記エネルギ蓄積要素の両端の電圧が所定の値に達する場合に、再びオンにスイッチし、前記再充電制御回路を再び無効化にするステップと、
を含む方法によっても達成される。
Claims (11)
- 負荷のための駆動装置であって、
前記負荷に並列なシャントスイッチと、
前記シャントスイッチを制御する制御ユニットと、
少なくとも前記制御ユニットへエネルギを供給するように構成されるエネルギ蓄積要素と、
前記エネルギ蓄積要素に直列に接続される再充電制御回路と、
を含み、前記エネルギ蓄積要素及び前記再充電制御回路の直列接続が、前記シャントスイッチに並列に設けられ、前記制御ユニットが、前記エネルギ蓄積要素が再充電されるべき場合に、前記再充電制御回路を有効化させ、且つ、前記シャントスイッチをオフにスイッチするように構成される、駆動装置。 - 請求項1に記載の駆動装置であって、前記再充電制御回路が、有効化される場合にスイッチオンにされるスイッチである、駆動装置。
- 請求項1に記載の駆動装置であって、前記再充電制御回路が、DC/DCコンバータであり、前記DC/DCコンバータが有効化される場合に動作される、駆動装置。
- 請求項1乃至3の何れか一項に記載の駆動装置であって、前記負荷が、LED及び/又はOLEDの光ユニットである、駆動装置。
- 請求項1乃至4の何れか一項に記載の駆動装置であって、前記エネルギ蓄積要素が、少なくとも1つのコンデンサを含む、駆動装置。
- 請求項1乃至5の何れか一項に記載の駆動装置であって、電圧比較器が、前記エネルギ蓄積要素の両端の電圧を参照値と比較し、前記電圧が前記参照値より下に落ちる場合に、前記制御ユニットに関して再充電制御信号を生成するように設けられる、駆動装置。
- 請求項1乃至6の何れか一項に記載の駆動装置であって、前記制御ユニットは、前記負荷が99.9%の最大デューティサイクルで駆動されるように前記シャントスイッチをオン及びオフにスイッチングすることによって前記負荷を通ずる駆動電流を制御し、且つ、前記負荷がオフの期間において前記エネルギ蓄積要素を再充電するように構成される、駆動装置。
- 請求項7に記載の駆動装置であって、前記制御ユニットは、前記エネルギ蓄積要素の両端の電圧を監視し、且つ、前記監視される電圧が所定レベルに達する場合に再充電を停止させるように構成される、駆動装置。
- 請求項1乃至8の何れか一項に記載の駆動装置であって、前記制御ユニットは、前記負荷のフォワード電圧より小さい供給電圧を有するように構成される、駆動装置。
- 請求項1乃至9の何れか一項に記載の駆動装置であって、前記再充電制御回路は、前記負荷のフォワード電圧より小さい供給電圧を有するように構成される、駆動装置。
- 負荷を、前記負荷に並列なシャントスイッチと、再充電制御回路と、前記再充電制御回路に直列に接続されるエネルギ蓄積要素であって、前記直列接続が前記シャントスイッチに並列である、エネルギ蓄積要素と、前記シャントスイッチを制御する制御ユニットと、を含む駆動装置を用いて、駆動させる方法であって、当該方法が、前記エネルギ蓄積要素を再充電する目的に関して、
前記再充電制御回路を有効化させるステップと、
前記シャントスイッチをオンからオフへ切り替えるステップと、
前記シャントスイッチを、所定の期間の後及び/又は前記エネルギ蓄積要素の両端の電圧が所定の値に達する場合に、再びオンにスイッチし、前記再充電制御回路を再び無効化にするステップと、
を含む方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07111559 | 2007-07-02 | ||
| EP07111559.6 | 2007-07-02 | ||
| PCT/IB2008/052616 WO2009004563A1 (en) | 2007-07-02 | 2008-06-30 | Driver device for a load and method of driving a load with such a driver device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010532092A JP2010532092A (ja) | 2010-09-30 |
| JP5337153B2 true JP5337153B2 (ja) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010514221A Active JP5337153B2 (ja) | 2007-07-02 | 2008-06-30 | 負荷のための駆動装置及びこのような駆動装置を用いて負荷を駆動させる方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8242710B2 (ja) |
| EP (1) | EP2165576B1 (ja) |
| JP (1) | JP5337153B2 (ja) |
| CN (1) | CN101690397B (ja) |
| TW (1) | TWI459853B (ja) |
| WO (1) | WO2009004563A1 (ja) |
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- 2008-06-30 TW TW097124610A patent/TWI459853B/zh active
- 2008-06-30 JP JP2010514221A patent/JP5337153B2/ja active Active
- 2008-06-30 CN CN2008800233502A patent/CN101690397B/zh active Active
- 2008-06-30 US US12/666,826 patent/US8242710B2/en active Active
- 2008-06-30 EP EP08789176.8A patent/EP2165576B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009004563A1 (en) | 2009-01-08 |
| US8242710B2 (en) | 2012-08-14 |
| JP2010532092A (ja) | 2010-09-30 |
| TW200922370A (en) | 2009-05-16 |
| CN101690397B (zh) | 2012-07-18 |
| TWI459853B (zh) | 2014-11-01 |
| US20100181936A1 (en) | 2010-07-22 |
| CN101690397A (zh) | 2010-03-31 |
| EP2165576A1 (en) | 2010-03-24 |
| EP2165576B1 (en) | 2018-08-08 |
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