EP1562408A1 - Elektronisches Vorschaltgerät mit Zeitgeberkorrektur - Google Patents
Elektronisches Vorschaltgerät mit Zeitgeberkorrektur Download PDFInfo
- Publication number
- EP1562408A1 EP1562408A1 EP05000613A EP05000613A EP1562408A1 EP 1562408 A1 EP1562408 A1 EP 1562408A1 EP 05000613 A EP05000613 A EP 05000613A EP 05000613 A EP05000613 A EP 05000613A EP 1562408 A1 EP1562408 A1 EP 1562408A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- signal
- generating device
- electronic ballast
- time information
- 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.)
- Granted
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
- 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
- H05B41/2825—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 bridge converter in the final stage
- H05B41/2828—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 bridge converter in the final stage using control circuits for the switching elements
-
- 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
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/18—Controlling the light source by remote control via data-bus transmission
- H05B47/183—Controlling the light source by remote control via data-bus transmission using digital addressable lighting interface [DALI] communication protocols
Definitions
- the present invention relates to a method for operating a Light-generating device, in particular a lamp.
- the invention is based on the technical problem, an improved operating method and to provide an improved electronic ballast where an internal timer is used.
- the invention is directed to a method of operating a light-generating device in which the light-generating device is operated with an electronic ballast having an internal timer for an internal timing, an external signal is received from the electronic ballast containing time information the internal timing is corrected with the aid of the time information and operating functions of the light-generating device are controlled by means of the timing, and to a correspondingly configured electronic ballast having an internal timer for controlling operation functions of the light-generating device and a time correction device.
- the invention assumes the internal timing of the ballast using time information to correct that in an outer signal were received. This is based on the observation of the inventors that it with a combination of electronic ballasts with others technical equipment, such as other ballasts or sensors or Controllers, problems with inaccurate internal timers come can. This applies, for example, to the evaluation of signals relative to one Reference time or reference frequency, the timed operation of a Multiple ballasts with each other and other situations.
- a correction is preferred by calculating and storing a correction value. It should be the oscillator on which the internal timer is based on continue to run unchanged. Of course, the invention also includes solutions where this oscillator changes, so readjusted or tuned becomes. However, the mentioned preferred solution with correction values is in many Cases more pragmatic and simple and equally effective.
- the outer signal may be a control signal, preferably a digital one Be control signal with which a control unit, the electronic ballast as part of a lighting system controls.
- Be considered in particular also control signals according to the so-called DALI protocol, but also digital control signals of other communication protocols.
- the time information may be digitally encoded in such digital control signals However, it is preferably included in the digital data rate, ie Bit frequency or comparable sizes.
- the time information becomes determined by the time interval of pulse edges, and especially preferably from first pulse edges of a digital word (Bytes).
- the time information may be separated by the time interval of the first same-minded, ie the first falling or the first rising, flanks of a byte.
- First flanks can of course be the first opposing flanks.
- a correction must be considered, because the time interval from the bit value can depend. It is on the embodiment and the local correction referenced with the factor 1.5.
- the outer signal in which the time information is contained, can also from come from a sensor. It can also be a digital signal and also to act as a digital signal within the DALI protocol. It But also analog signals come into consideration. In particular, come here also applications outside of control units controlled by lighting devices in consideration, such as when single or a small number of ballasts communicate with a sensor without lighting a lighting system to form a common control.
- the sensor can be a light value sensor which is the ballast Information about the brightness of a light to be lit or illuminated Area supplies.
- the ballast can be designed so that it by means of an automatic dimming function dependent on that of the sensor supplied light information controls the lamp brightness or regulates.
- the outer signal provided by the sensor Frequency coding for example, expresses the information about the light value by the frequency of the signal or a frequency within of the signal.
- the sensor may instead of a light value sensor or in addition to a Light value sensor can also be a motion detector whose signal and turning off the light-generating device, in particular one Lamp, serves.
- a time duration coding in the sense of coding exist over the duration of certain signal parts or pulse trains.
- a combination of light value sensor and motion detector in the light value information with a frequency coding and in contrast motion detection signals with a fixed one Frequency, but a certain minimum time duration transmitted become.
- the electronic ballast preferably has a dimming function, such as a via a light sensor signal automatically operable dimming function.
- the dimming function via a control input of the electronic ballast is controllable, in particular on the creation of Supply voltage pulses to the control input. It is preferred that relatively short pulses (in a time-length coding) are on and off commands mean and relatively longer pulses depending on their length dimming commands mean.
- the frequency coding or time-coding the signals of the internal timer to the Evaluation used and the invention by correction an improvement cause the described functions.
- This correction can also be done by the timer signals unchanged for evaluation or control, but in the for this evaluation or control circuit parts of the electronic ballast responsible the corresponding correction values only at the evaluation or Control itself be taken into account. So it can be embodiments where the oscillator signal itself or derived from it purely temporal signals are not corrected but the correction only at the Application of temporal information for control or evaluation made becomes.
- the term "timing" is not in this sense as on the Oscillator and any subsequent timer limited but to see Also includes the components in which the temporal information for Evaluation or control is used. However, a correction is preferred of the timer (including derived timer).
- FIG. 1 shows schematically one of a variety of electronic ballasts and connected lamps as well as partially u.
- U also without Ballasts powered lamps and sensors existing lighting system.
- SG a central digital control unit and with ECG one of the ballasts referred to, which is an inventive Ballast is.
- ECG ECG operated low-pressure discharge lamp
- L One of the electronic ballast ECG operated low-pressure discharge lamp
- the remaining outgoing from the control unit SG lines are the Symbolize variety of other elements of the lighting system.
- the control unit SG controls the electronic ballast according to the DALI protocol constructed digital control signals, in Figure 3 schematically are shown. There is always the beginning of a first upper and one second lower signal shown. These are so-called biphase coded Signals. This means that the logical 1 and the logical 0 do not correspond to the electrical low or high level or vice versa but correspond a predetermined level change. For example, an ascending means Level jump a logical 0 and a falling level jump one logical 1. This has the advantage that the presence of a bit is unique can be recognized. For reference, reference is made to the EP 1 069 690.
- FIG. 3 shows the beginning of a word (frame), where a left first Start bit with rising edge, so logical 0, is located. It follows a most significant bit # 15 and other bits with the numbers 14-0, of which only the bit no. 14 is drawn. Already the bit number 15 can be different Take values as the two superimposed Word beginnings in Figure 3 illustrate.
- the electronic ballast uses the time interval of the first two falling edges, which is denoted by T M in the figure, as time information.
- this time interval in the lower case one and a half times as long as in the upper case and the upper time interval of the bit rate equivalent.
- FIG. 4 illustrates, within the scope of a flow chart, the functional sequence within the ballast EVG from FIG. 1.
- the determined time T M is received via two signal paths, one of which provides for a multiplication by a factor of 1.5. Depending on the value of the most significant bit (MSB) no. 15, a switch is made between these two signal paths, so that in each case there is the 1.5-fold bit rate behind the symbolic switch labeled MSB.
- the time T M is measured by means of the ballast's internal timer and therefore carries its error.
- the 1.5-fold bit rate is compared with a nominal data rate stored in the ballast EVG, from which a correction value is calculated.
- this correction value may alternatively be applied to the oscillator of the timer itself to adjust it or to be supplied to the internal timers of the timer supplied by the oscillator.
- the lower variant is performed, ie that the oscillator in the ballast ECG continues uncorrected.
- the bit rate serves as the time reference of the ECG's internal timing.
- FIG. 2 A second example is shown in Figure 2.
- the Ballast ECG is, as symbolically shown below, with a supply voltage supplied, about the usual household voltage. This is via a button T another control input of the ballast ECG supplied.
- the light sensor S has both a function as a light value sensor for detection the brightness of a room illuminated by the lamp L as well the function of a motion detector for detecting movements in this room.
- switch the ballast EVG the lamp L depending on whether or not a Movement in the space is detected and reported by the light sensor S. or if no movement is reported for an adjustable time, say 15 minutes has been. This can be achieved on the one hand, that the light itself turns on when the room is entered by a person and on the other hand avoiding that the lamp is operated unnecessarily and thus Energy consumed when the room is not used.
- the light sensor S detects the brightness of the illuminated Room, depending on the use of other lights or even dependent may vary from daylight exposure. This can be a dimming function of the electronic ballast automatically the power of the lamp L adjust, so in particular the lamp power back, if in In the morning the daylight radiation increases, and start again, if during the late afternoon and evening the daylight radiation decreases.
- a short touch means a manual one On or Off command.
- a longer touch leaves the ballast ECG the lamp L cyclically high and after reaching the maximum Power down again and after reaching the minimum dimming power Dimming up again.
- the user can hold by holding manually set a desired lamp power of the T button, which then depending on the further light value information from the light sensor S is readjusted.
- FIG. 5 shows schematically a signal transmitted by the light sensor S to the ballast EVG over the time axis.
- the individual blocks as shown in the section in the upper area, stand for a respective sequence of individual pulses.
- the relatively short blocks are transmitted at constant intervals and form a reference signal within the meaning of the time correction as a result of the respectively present pulse frequency within the blocks.
- T M is tapped off as explained with reference to FIGS. 3 and 4, and, however, without distinction between different bit states, used in the same way as explained with reference to FIG. 4 for the correction. This is shown in FIG.
- the light sensor S interrupts this sequence of regular reference signals then, when he has sensed a movement, by a motion signal.
- This signal is shown in the middle in FIG. 5 and differentiates away from the reference signals in that it has a specific Minimum duration.
- a motion signal leads, as already explained, for switching on or maintaining the operation of the lamp L.
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Electrophonic Musical Instruments (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Electric Clocks (AREA)
Abstract
Description
sowie auf ein entsprechend ausgestaltetes elektronisches Vorschaltgerät, das einen internen Zeitgeber zur Steuerung von Betriebsfunktionen der Licht erzeugenden Vorrichtung und eine Zeitkorrektur-Einrichtung aufweist.
- Figur 1
- ein schematisches Diagramm einer Beleuchtungsanlage mit einem erfindungsgemäßen Vorschaltgerät.
- Figur 2
- ein schematisches Diagramm eines mit einem Sensor eingesetzten erfindungsgemäßen Vorschaltgeräts.
- Figur 3
- eine schematische Darstellung von digitalen Signalen in der Beleuchtungsanlage aus Figur 1.
- Figur 4
- ein Flussdiagramm zur Erläuterung des Ablaufs des erfindungsgemäßen Verfahrens in dem Vorschaltgerät aus Figur 1.
- Figur 5
- eine schematische Darstellung eines Signals des Sensors aus Figur 2.
- Figur 6
- ein Flussdiagramm zur Erläuterung des erfindungsgemäßen Verfahrens in dem Vorschaltgerät aus Figur 2.
Claims (16)
- Verfahren zum Betreiben einer Licht erzeugenden Vorrichtung (L), bei dem
die Licht erzeugende Vorrichtung (L) mit einem elektronischen Vorschaltgerät (EVG) betrieben wird, das einen internen Zeitgeber für eine interne Zeitgebung aufweist,
ein äußeres Signal von dem elektronischen Vorschaltgerät (EVG) empfangen wird, das Zeitinformationen (TM) enthält,
die interne Zeitgebung mit Hilfe der Zeitinformationen (TM) korrigiert wird und
Betriebsfunktionen der Licht erzeugenden Vorrichtung (L) mit Hilfe der Zeitgebung gesteuert werden. - Verfahren nach Anspruch 1, bei dem die Korrektur der Zeitgebung durch Errechnen und Abspeichern eines Korrekturwerts bei Unverändertlassen eines in dem internen Zeitgeber enthaltenen Oszillators selbst erfolgt.
- Verfahren nach Anspruch 1 oder 2, bei dem das äußere Signal ein digitales Steuersignal eines das elektronische Vorschaltgerät (EVG) in einer Beleuchtungsanlage ansteuernden Steuergeräts (SG) ist.
- Verfahren nach Anspruch 3, bei dem die Zeitinformation (TM) aus der Datenrate des digitalen Steuersignals ermittelt wird.
- Verfahren nach Anspruch 4, bei dem die Zeitinformation (TM) aus dem zeitlichen Abstand erster Pulsflanken des digitalen Steuersignals ermittelt wird.
- Verfahren nach Anspruch 5, bei dem die Zeitinformation (TM) aus dem Abstand der ersten beiden gleichsinnigen Pulsflanken des digitalen Steuersignals ermittelt wird und abhängig von dem mit den Pulsflanken verbundenen Bit-Wert ein Korrekturfaktor berücksichtigt wird.
- Verfahren nach einem der vorstehenden Ansprüche, bei dem das äußere Signal von einem Sensor (S) geliefert wird.
- Verfahren nach Anspruch 7, bei dem der Sensor (S) ein Lichtwertsensor ist, der die Helligkeit eines von der Licht erzeugenden Vorrichtung (L) beleuchteten oder zu beleuchtenden Bereichs erfasst.
- Verfahren nach Anspruch 7 oder 8, bei dem das äußere Signal frequenzcodiert ist.
- Verfahren nach Anspruch 7, 8 oder 9, bei dem der Sensor (S) ein Bewegungsmelder ist, dessen Signal zum Einschalten der Licht erzeugenden Vorrichtung (L) führt.
- Verfahren nach einem der Ansprüche 7 - 10, bei dem das äußere Signal zeitdauercodiert ist.
- Verfahren nach einem der vorstehenden Ansprüche, bei dem das elektronische Vorschaltgerät (EVG) über zeitdauercodierte Versorgungsspannungspulse an einem Steuereingang dimmbar ist.
- Verfahren nach Anspruch 12, bei dem kurze Versorgungsspannungspulse Ein- und Ausschaltbefehle sind.
- Verfahren nach einem der vorstehenden Ansprüche, bei dem der interne Zeitgeber einen RC-Oszillator aufweist.
- Verfahren nach einem der vorstehenden Ansprüche, bei dem die Licht erzeugende Vorrichtung (L) eine Lampe, insbesondere eine Entladungslampe ist.
- Elektronisches Vorschaltgerät (EVG), das ausgelegt ist für ein Verfahren nach einem der vorstehenden Ansprüche, und aufweist
einen internen Zeitgeber zur Steuerung von Betriebsfunktionen der Licht erzeugenden Vorrichtung (L),
und eine Zeitkorrektur-Einrichtung, die dazu ausgelegt ist, nach Empfang eines äußeren Signals mit Zeitinformationen (TM) eine Korrektur der Zeitgebung des internen Zeitgebers durch die Zeitinformationen (TM) durchzuführen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004006123A DE102004006123A1 (de) | 2004-02-06 | 2004-02-06 | Elektronisches Vorschaltgerät mit Zeitgeberkorrektur |
| DE102004006123 | 2004-02-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1562408A1 true EP1562408A1 (de) | 2005-08-10 |
| EP1562408B1 EP1562408B1 (de) | 2009-04-08 |
Family
ID=34673202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05000613A Expired - Lifetime EP1562408B1 (de) | 2004-02-06 | 2005-01-13 | Elektronisches Vorschaltgerät mit Zeitgeberkorrektur |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7193371B2 (de) |
| EP (1) | EP1562408B1 (de) |
| AT (1) | ATE428293T1 (de) |
| CA (1) | CA2495739A1 (de) |
| DE (2) | DE102004006123A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006001256A1 (de) * | 2006-01-10 | 2007-07-12 | Tridonicatco Gmbh & Co. Kg | Verfahren zum Betreiben einer Lichtquelle mit Hilfe eines Lampenbetriebsgeräts sowie Lampenbetriebsgerät hierfür |
| WO2007086018A1 (en) * | 2006-01-30 | 2007-08-02 | Koninklijke Philips Electronics N.V. | Lighting control system |
| CN101437348B (zh) * | 2007-11-16 | 2012-11-07 | 新动力(北京)建筑科技有限公司 | 调节灯光亮度的方法、系统、控制端及灯头端 |
| US8405488B1 (en) | 2008-10-21 | 2013-03-26 | Universal Lighting Technologies, Inc. | System and method for encoding ballast control signals |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344068A (en) | 1993-04-16 | 1994-09-06 | Staefa Control System, Inc. | Dynamically controlled environmental control system |
| EP0681413A2 (de) * | 1994-05-06 | 1995-11-08 | Koninklijke Philips Electronics N.V. | Anwesenheitsdetektor und Beleuchtungsanordnung mit solch einem Detektor |
| US5519289A (en) * | 1994-11-07 | 1996-05-21 | Jrs Technology Associates, Inc. | Electronic ballast with lamp current correction circuit |
| DE19827208A1 (de) | 1997-06-18 | 1998-12-24 | Futaba Denshi Kogyo Kk | Optischer Drucker |
| JP2001015276A (ja) * | 1999-06-25 | 2001-01-19 | Matsushita Electric Works Ltd | 照明装置 |
| ES2153314A1 (es) * | 1999-02-17 | 2001-02-16 | Univ Cantabria | Sistema electronico de arranque suave y de optimizacion de la transferencia de energia para lamparas de descarga. |
| EP1307040A1 (de) | 2001-10-26 | 2003-05-02 | Ricoh Company, Ltd. | Bilderzeugungsgerät |
| US20030210000A1 (en) * | 2001-05-29 | 2003-11-13 | Erhardt Robert Alexander | System and method of automatic cycling control for HID lamps |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4823328A (en) * | 1987-08-27 | 1989-04-18 | Conklin Charles C | Radio signal controlled digital clock |
| DE19932692A1 (de) * | 1999-07-15 | 2001-01-18 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Verfahren zur Abtastung biphase codierter digitaler Signale |
| JP3947895B2 (ja) * | 2000-02-24 | 2007-07-25 | 株式会社日立製作所 | 照明装置用点灯装置 |
| US6801003B2 (en) * | 2001-03-13 | 2004-10-05 | Color Kinetics, Incorporated | Systems and methods for synchronizing lighting effects |
| US6774768B2 (en) * | 2001-12-03 | 2004-08-10 | Hubbell Incorporated | System and method for cycling a metal-halide lamp on and off at designated intervals to reduce risk of arc tube rupture |
| US6956336B2 (en) * | 2002-07-22 | 2005-10-18 | International Rectifier Corporation | Single chip ballast control with power factor correction |
-
2004
- 2004-02-06 DE DE102004006123A patent/DE102004006123A1/de not_active Withdrawn
-
2005
- 2005-01-13 DE DE502005007022T patent/DE502005007022D1/de not_active Expired - Lifetime
- 2005-01-13 AT AT05000613T patent/ATE428293T1/de not_active IP Right Cessation
- 2005-01-13 EP EP05000613A patent/EP1562408B1/de not_active Expired - Lifetime
- 2005-02-01 CA CA002495739A patent/CA2495739A1/en not_active Abandoned
- 2005-02-01 US US11/046,702 patent/US7193371B2/en not_active Expired - Lifetime
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344068A (en) | 1993-04-16 | 1994-09-06 | Staefa Control System, Inc. | Dynamically controlled environmental control system |
| EP0681413A2 (de) * | 1994-05-06 | 1995-11-08 | Koninklijke Philips Electronics N.V. | Anwesenheitsdetektor und Beleuchtungsanordnung mit solch einem Detektor |
| US5519289A (en) * | 1994-11-07 | 1996-05-21 | Jrs Technology Associates, Inc. | Electronic ballast with lamp current correction circuit |
| DE19827208A1 (de) | 1997-06-18 | 1998-12-24 | Futaba Denshi Kogyo Kk | Optischer Drucker |
| ES2153314A1 (es) * | 1999-02-17 | 2001-02-16 | Univ Cantabria | Sistema electronico de arranque suave y de optimizacion de la transferencia de energia para lamparas de descarga. |
| JP2001015276A (ja) * | 1999-06-25 | 2001-01-19 | Matsushita Electric Works Ltd | 照明装置 |
| US20030210000A1 (en) * | 2001-05-29 | 2003-11-13 | Erhardt Robert Alexander | System and method of automatic cycling control for HID lamps |
| EP1307040A1 (de) | 2001-10-26 | 2003-05-02 | Ricoh Company, Ltd. | Bilderzeugungsgerät |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2495739A1 (en) | 2005-08-06 |
| US20050174067A1 (en) | 2005-08-11 |
| US7193371B2 (en) | 2007-03-20 |
| DE502005007022D1 (de) | 2009-05-20 |
| EP1562408B1 (de) | 2009-04-08 |
| DE102004006123A1 (de) | 2005-08-25 |
| ATE428293T1 (de) | 2009-04-15 |
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