DK2135487T3 - Belysningssystem med effektfaktorkorrektionsstyredata bestemt ud fra et fasemoduleret signal - Google Patents
Belysningssystem med effektfaktorkorrektionsstyredata bestemt ud fra et fasemoduleret signal Download PDFInfo
- Publication number
- DK2135487T3 DK2135487T3 DK08743813.1T DK08743813T DK2135487T3 DK 2135487 T3 DK2135487 T3 DK 2135487T3 DK 08743813 T DK08743813 T DK 08743813T DK 2135487 T3 DK2135487 T3 DK 2135487T3
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- DK
- Denmark
- Prior art keywords
- pfc
- signal
- phase
- control signal
- led
- Prior art date
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/18—Modifications for indicating state of switch
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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]
- H05B45/10—Controlling the intensity of the light
-
- 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]
- H05B45/10—Controlling the intensity of the light
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
-
- 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]
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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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
- H03K17/6871—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor
- H03K17/6872—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor using complementary field-effect transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/74—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of diodes
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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]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S315/00—Electric lamp and discharge devices: systems
- Y10S315/04—Dimming circuit for fluorescent lamps
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S323/00—Electricity: power supply or regulation systems
- Y10S323/905—Lamp dimmer structure
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Claims (22)
1. Lysdiode- (LED) belysningssystem, der omfatter: en effektfaktorkorrektions- (PFC) styreenhed, kendetegnet ved: en indgang til at modtage et faseforskydningssignal, der indikerer en faseforskydning af et fasemoduleret dæmpningssignal; og en digital signalprocessor, koblet til indgangen, til at modtage faseforsinkelsessignalet og bestemme et PFC-styringsdriftsparameter ud fra faseforsinkelsessignalet og til at generere et PFC-omkoblingsstyresignal ved anvendelse af det bestemte driftsparameter.
2. LED-belysningssystem ifølge krav 1, der endvidere omfatter: en tidsbaseret faseforsinkelsesdetektor til at detektere det fasemodulerede signals faseforsinkelse og generere faseforsinkelsessignalet som et digitalt signal.
3. LED-belysningssystem ifølge krav 1, hvor den digitale signalprocessor endvidere er konfigureret til at udføre en styresignaltilstandsalgoritme for at bestemme en impulsbredde af PFC-omkoblingsstyresignalet.
4. LED-belysningssystem ifølge krav 1, hvor driftsparameteret er bestemt ved anvendelse af mindst en topspænding for det fasemodulerede dæmpningssignal.
5. LED-belysningssystem ifølge krav 1, hvor faseforsinkelsessignalet indikerer et dæmpningsniveau og PFC-styreenheden endvidere er konfigureret til at generere et PFC-omkoblingsstyresignal for at foranledige et PFC LED-driverkredsløb til at reagere på dæmpningsniveauet indikeret af faseforsinkelsessignalet ved at reducere PFC-omkoblingsstyresignalets driftscyklus og derved bevare en effektiv modstand for PFC LED-driverkredsløbet, opfattet af en spændingskilde af PFC LED-driverkredsløbet, når dæmpningsniveauet indikeret af faseforsinkelsessignalet stiger.
6. LED-belysningssystem ifølge krav 1, hvor PFC-styreenheden endvidere er udformet til at generere et driftsmoduleret styresignal til at styre en reguleret forbindelsesspænding for et PFC LED-driverkredsløb og til at reducere forbindelsesspændingen, når en driftscyklus for styresignalet falder til en værdi mellem nul og en tærskelværdi for driftscyklussen.
7. LED-belysningssystem ifølge krav 1, hvor PFC-styreenheden endvidere er udformet til at generere omtrent konstante impulsbredder for PFC-omkoblingsstyresignalet under hver cyklus af det fasemodulerede signal, når en driftscyklus af PFC-omkoblingsstyresignalet er under en forudbestemt tærskel.
8. LED-belysningssystem ifølge krav 1, hvor PFC-styreenheden endvidere er udformet til at generere impulser for PFC-omkoblingsstyresignalet under det fasemodulerede signals faseforsinkelser, hvor impulsbredderne og driftscyklusserne af PFC-omkoblingsstyresignalets impulser genereret under faseforsinkelserne er tilstrækkelige til at svække det fasemodulerede signals pulsation under det fasemodulerede signals faseforsinkelser.
9. LED-belysningssystem ifølge krav 8, hvor PFC-omkoblingsstyresignalets impulser genereret under faseforsinkelserne har en periode, der er væsentligt længere end en periode for PFC-omkoblingsstyresignalets impulser i en aktiv periode af det fasemodulerede signal.
10. Fremgangsmåde til styring af et lysdiode- (LED) belysningssystem, hvilken fremgangsmåde er kendetegnet ved trinnene med modtagelse af et faseforskydningssignal, der indikerer en faseforskydning af et fasemoduleret dæmpningssignal; bestemmelse af et PFC-styringsdriftsparameter ud fra faseforsinkelsessignalet ved anvendelse afen digital signalprocessor; og generering af et PFC-omkoblingsstyresignal ved anvendelse af det bestemte driftsparameter.
11. Fremgangsmåde ifølge krav 10, der endvidere omfatter: detektering af det fasemodulerede signals faseforsinkelse ved anvendelse af en tidsbaseret faseforsinkelsesdetektor og generering af faseforsinkelsessignalet som et digitalt signal.
12. Fremgangsmåde ifølge krav 10, der endvidere omfatter: udførelse af en styresignaltilstandsalgoritme for at bestemme en impulsbredde af PFC-omkoblingsstyresignalet.
13. Fremgangsmåde ifølge krav 10, hvor driftsparameteret bestemmes ved anvendelse af mindst en topspænding af det fasemodulerede dæmpningssignal.
14. Fremgangsmåde ifølge krav 10, hvor faseforsinkelsessignalet indikerer et dæmpningsniveau, hvilken fremgangsmåde endvidere omfatter: generering af et effektfaktorkorrektionsstyresignal for at foranledige et PFC LED-driverkredsløb til at reagere på dæmpningsniveauet indikeret af faseforsinkelsessignalet ved at reducere en driftscyklus af et PFC-omkoblingsstyresignal og derved bevare en effektiv modstand af PFC-belastningsdriverkredsløbet, opfattet afen spændingskilde af PFC-belastningsdriverkredsløbet, når dæmpningsniveauet indikeret af faseforsinkelsessignalet stiger.
15. Fremgangsmåde ifølge krav 10, der endvidere omfatter: generering af et driftsmoduleret styresignal til at styre en reguleret forbindelsesspænding af et PFC LED-driverkredsløb; og reduktion af forbindelsesspændingen, nåren driftscyklus af styresignalet falder til en værdi mellem nul og en tærskelværdi for driftscyklussen.
16. Fremgangsmåde ifølge krav 10, der endvidere omfatter: generering af omtrent konstante impulsbredder for PFC-omkoblingsstyresignalet under hver cyklus af det fasemodulerede signal, når en driftscyklus af PFC-omkoblingsstyresignalet er under en forudbestemt tærskel.
17. Fremgangsmåde ifølge krav 10, der endvidere omfatter: generering af impulser for PFC-omkoblingsstyresignalet under det fasemodulerede signals faseforsinkelser, hvor impulsbredderne og driftscyklusserne af PFC- omkoblingsstyresignalets impulser genereret under faseforsinkelserne er tilstrækkelige til at svække det fasemodulerede signals pulsation under det fasemodulerede signals faseforsinkelser.
18. Fremgangsmåde ifølge krav 17, hvor impulserne af PFC-omkoblingsstyresignal genereret under faseforsinkelserne har en periode, der er væsentligt længere end en periode for PFC-omkoblingsstyresignalets impulser under en aktiv periode af fasemoduleret signal.
19. Belysningssystem ifølge krav 5, hvor PFC-styreenheden endvidere er konfigureret til at reducere en driftscyklus af PFC-omkoblingsstyresignalet, når dæmpningsniveauet falder, indtil dæmpningsniveauet nåren tærskelværdi for dæmpningsniveauet og til at holde PFC-omkoblingsstyresignalets driftscyklus omtrent konstant for dæmpningsniveauer under dæmpningsniveautærsklen.
20. Belysningssystem ifølge krav 5, hvor PFC-styreenheden endvidere er konfigureret til at øge PFC-belastningsdriverkredsløbets effektive modstand, når dæmpningsniveauet indikeret afdæmpningssignalet aftager.
21. Fremgangsmåde ifølge krav 14, der endvidere omfatter: at reducere en driftscyklus af PFC-omkoblingsstyresignalet, når dæmpningsniveauet aftager, indtil dæmpningsniveauet falder til en tærskelværdi for dæmpningsniveauet; og at holde PFC-omkoblingsstyresignalets driftscyklus omtrent konstant for dæmpningsniveauer under dæmpningsniveautærsklen.
22. Fremgangsmåde ifølge krav 14, der endvidere omfatter: øgning af PFC-belastningsdriverkredsløbets effektive modstand, når dæmpningsniveauet indikeret af dæmpningssignalet falder.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89429507P | 2007-03-12 | 2007-03-12 | |
PCT/US2008/056739 WO2008112822A2 (en) | 2007-03-12 | 2008-03-12 | Lighting system with power factor correction control data determined from a phase modulated signal |
Publications (1)
Publication Number | Publication Date |
---|---|
DK2135487T3 true DK2135487T3 (da) | 2018-11-19 |
Family
ID=39502232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK08743813.1T DK2135487T3 (da) | 2007-03-12 | 2008-03-12 | Belysningssystem med effektfaktorkorrektionsstyredata bestemt ud fra et fasemoduleret signal |
Country Status (10)
Country | Link |
---|---|
US (4) | US7288902B1 (da) |
EP (4) | EP2135487B1 (da) |
CN (6) | CN101663918A (da) |
DK (1) | DK2135487T3 (da) |
ES (2) | ES2691626T3 (da) |
LT (1) | LT2135487T (da) |
PL (2) | PL2135487T3 (da) |
PT (1) | PT2135487T (da) |
SI (1) | SI2135487T1 (da) |
WO (2) | WO2008112820A2 (da) |
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