EP2123133A1 - Universal-evg zum betrieb hg-freier und hg-haltiger d-lampen - Google Patents
Universal-evg zum betrieb hg-freier und hg-haltiger d-lampenInfo
- Publication number
- EP2123133A1 EP2123133A1 EP08716808A EP08716808A EP2123133A1 EP 2123133 A1 EP2123133 A1 EP 2123133A1 EP 08716808 A EP08716808 A EP 08716808A EP 08716808 A EP08716808 A EP 08716808A EP 2123133 A1 EP2123133 A1 EP 2123133A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp
- ecg
- electronic ballast
- orientation mode
- discharge lamp
- 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
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
- H05B41/36—Controlling
-
- 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
- H05B41/288—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 and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
Definitions
- the present invention relates to a method for controlling a discharge lamp by means of an electronic ballast (ECG) and an electronic ballast, with which any type of discharge lamps can be operated.
- ECG electronic ballast
- ECG electronic ballast
- Mercury-containing and mercury-free lamps in particular discharge lamps for use in motor vehicles (so-called D lamps) each have very different properties. This applies in particular to the electrical properties of the two lamp types, which exhibit the same nominal power of 35 watts in stationary operation, but the mercury-free lamp has only about half the operating voltage compared to the mercury-containing lamp. Even during startup, both lamp types are very different from each other to operate in order to achieve the desired requirements, such as sufficiently high instantaneous light with an acceptable life.
- lamp types-individual codes arranged on the lamp such as knobs arranged on the lamp base, which form a lamp type-individual coding on the basis of their number and arrangement, are detected and the lamp is driven according to previously stored operating parameters for this lamp type.
- Another way of detecting the type of lamp is to detect a bar code mounted on the lamp.
- electrical variables for lamp type detection are also possible.
- a disadvantage of this prior art is that each time the lamp is turned on there is a delay during which the ECG determines which lamp type it is. Therefore, this procedure is just unsuitable for use in the car, since a particularly fast start-up of the lamp is required here. This is also the reason why the lamp power is increased to a multiple of the rated power during startup (so-called power start).
- Discharge lamps can be used, but allows direct control of the discharge lamps.
- This object is achieved by a method for operating a discharge lamp by means of an electronic ballast, in which the parameters which determine the type of discharge lamp are determined in an orientation mode step which is carried out once when the discharge lamp is first started, and by an electronic ballast for a discharge lamp with a microcontroller, which is designed to perform once upon the first switching on of the lamp a orientation mode program with which the parameters that determine the type of discharge lamp are detected.
- the parameters detected during the orientation mode are stored and the lamp is operated at all subsequent starts with these stored operating parameters. This has the advantage that for a while the orientation phase, a very accurate determination of the lamp parameters can be performed, and on the other no delay occurs when switching on the lamp, since after a completed orientation mode, the lamp is operated only with the recognized operating mode in the orientation mode.
- the lamp is advantageously operated with the lowest of the permissible lamp currents. This ensures that no lamp is damaged due to over-selected currents or power.
- a sensor element detects the burning voltage or a burning voltage increase of a lamp mounted on the ECG, and the lamp type is determined on the basis of the detected values that are characteristic of the lamp type.
- burning voltage or burning voltage rise are easily identifiable values, and other types of identification features, such as barcodes or lamp-mounted studs, as known from the prior art, do not have to be used.
- the electronic ballast according to the invention comprises a microcontroller which is designed to control a lamp connected to the ECG in such a way that the lamp is operated once in an orientation mode during the first switch-on, during which the lamp type is detected and every time the lamp is turned on, the lamp will turn off in a normal, lamp-adapted, operating mode.
- the electronic ballast comprises a memory element in which at least a first bit for indicating whether an orientation mode has been carried out and a second bit for specifying the lamp type are stored.
- an embodiment is particularly advantageous, in which the ECG also has a communication interface, in particular a LIN bus.
- a communication interface in particular a LIN bus.
- a check can be made as to whether a lamp type has been recognized correctly.
- a reprogramming of the electronic ballast for example by deleting the first bit, can take place. If the first bit is cleared, the microcontroller of the electronic ballast again performs the orientation mode, whereby the new lamp can be detected. This has the great advantage that it is not necessary to replace the electronic ballast and lamp when replacing a lamp type, but only the lamp itself.
- Hg-free and Hg-containing lamps are based on a common hardware or software concept, but can only be operated with different electronic ballasts due to their very different electrical properties.
- the universal ECG according to the invention makes it possible for the ECGs to remain in the car while only the lamp is replaced, making it possible to convert from Hg-containing to Hg-free very quickly and very simply.
- the single FIGURE shows a flow chart of a first particularly preferred embodiment of the method according to the invention.
- Hg-containing and Hg-free D-lamps by means of a single ECG type without any lhehe hardware or software conversion or intervention on
- This makes it possible for ECGs to be used for appropriate hardware dimensioning and intelligent software.
- the dimensioning of the hardware is to be interpreted essentially to the Hg-free lamp, since this requires the higher power.
- the intelligence of the software consists in the fact that the operating parameters for both lamps are stored in the software and when the ECG lamp combination is switched on for the first time, the lamp is operated in a so-called orientation mode, the present type of lamp being recognized and stored in a memory element becomes. Subsequently, and with all further starts of the lamp, the lamp is operated with the specified and adjusted operating parameters.
- the first switching on and the operation in the orientation mode can only be carried out by the headlight manufacturer in a first functional test of the headlight system.
- two bits are stored in a memory element in the electronic ballast, indicating whether, on the one hand, an orientation mode has been carried out and, on the other hand, determining which operating parameters are to be used to operate a lamp.
- FIG. 1 accordingly shows a flow chart of the method according to the invention which can be carried out by way of example by a microcontroller contained in an ECG in order to operate a discharge lamp according to the invention.
- a first step 1 the microcontroller accesses a memory element arranged in the ECG in order to read out a bit I stored in the memory element.
- the bit I indicates whether an orientation mode has been traversed (step 2).
- step 3 the microcontroller starts an orientation mode program during which the type of lamp connected to the ECG is to be recognized and the detected lamp type parameters are stored in such a way, so that they are immediately accessible each time the lamp is started.
- a lamp current is applied to the lamp, which is limited to the lowest of the maximum permissible lamp currents. This means, for example, that when using Hg-free or Hg-containing D lamps, the maximum current is limited to that of the Hg-containing lamp, since a significantly higher current is permitted for the Hg-free lamp.
- the start-up and nominal power is limited to the lowest of all permissible. In the case of the Hg-containing and Hg-free D-lamp, although the rated power is identical to 35 W, the Hg-free lamp is to be supplied with a higher power during the start-up phase (starting power). The stated limitation of currents and powers certainly prevents damage to the lamp during the orientation mode.
- a burning voltage is then, for example, by means of a sensor element arranged in the ECG or a burning voltage increase of the lamp detected. Due to these parameters and the time evolution of these parameters after the start of the lamp, it can be decided, for example, which lamp type is concerned. However, it is also conceivable, instead of the steps described in steps 4 and 5, to record other parameters defining the lamp type.
- steps 4 and 5 a method is carried out, with which it is possible to detect the lamp type and identify the associated operating parameters, so that in the subsequent step 6, a setting of the lamp type and thus the lamp operating parameters is enabled.
- the operating parameters specified in step 6 and specifying the lamp type can, for example, be stored in a further step 7 by writing a bit II into the memory element. If not only two types of lamps are available for selection, in method step 7 it is also possible to write a byte instead of one bit, which indicates the lamp type. By means of the bits or bytes stored in step 7, the microcontroller can decide which operating parameters it should read from the memory element with which the lamp can then be activated.
- the memory types used are non-volatile memories, for example EEPROM or flash memory. Even EPROM memory are conceivable, but due to the lack of rewritability, the scope of functions is limited accordingly. In the following, an EEPROM memory is assumed.
- the orientation mode is ended (step 8), and in step 9, the bit I is changed to indicate that an orientation mode has been passed successfully. This can be done, for example, by shifting the bit I from a state "0" to a state "1".
- the microcontroller reads the lamp-specific parameters defined by the bit / byte II from the memory and controls the lamp in a step 10 such that the lamp is operated with the lamp-specific parameters. This means, for example, if, during the orientation mode, it has been detected that the connected lamp is an Hg-free D-lamp, the rated current as well as the starting current and starting power are correspondingly increased.
- step 2 the microcontroller now determines in step 2 that an orientation mode has been run, whereupon it can directly read the bit / byte II and operate the lamp accordingly (step 11 / step 10).
- the lamp is switched off and the error becomes obvious.
- the lamp can be operated "flashing", for which the power of the lamp is periodically changed between rated power and eg 80% of the rated power.
- the orientation mode is cyclically repeated until the orientation mode has been successfully executed. This is after turn off the lamp for any time, eg 5 minutes, for each orientation mode, then try again. In all scenarios described, bit I is not changed until a successful detection of the lamp type has taken place.
- the orientation mode must not yet be executed. Therefore, a counter must be provided in the microcontroller, which stores the number of power-up operations. Only after this counter reaches a predetermined value, the orientation mode is started. Which lamp type is used as the basis for the operation of the lamp before the execution of the orientation mode is determined in the microcontroller by means of an additional bit or byte during programming.
- the electronic ballast advantageously has a communication interface.
- This can be realized for example by a LIN bus.
- bit I By means of this communication point, it is possible, for example, to clear bit I, or to put it back in the "not traversed orientation mode.”
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Inorganic Insulating Materials (AREA)
- Discharge Lamp (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007008148A DE102007008148A1 (de) | 2007-02-19 | 2007-02-19 | Universal-EVG zum Betrieb Hg-freier und Hg-haltiger D-Lampen |
| PCT/EP2008/051663 WO2008101836A1 (de) | 2007-02-19 | 2008-02-12 | Universal-evg zum betrieb hg-freier und hg-haltiger d-lampen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2123133A1 true EP2123133A1 (de) | 2009-11-25 |
| EP2123133B1 EP2123133B1 (de) | 2011-04-06 |
| EP2123133B2 EP2123133B2 (de) | 2016-01-13 |
Family
ID=39496570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08716808.4A Active EP2123133B2 (de) | 2007-02-19 | 2008-02-12 | Universal-evg zum betrieb hg-freier und hg-haltiger d-lampen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8344649B2 (de) |
| EP (1) | EP2123133B2 (de) |
| KR (1) | KR101591298B1 (de) |
| CN (1) | CN101578925B (de) |
| AT (1) | ATE505062T1 (de) |
| DE (2) | DE102007008148A1 (de) |
| TW (1) | TW200838365A (de) |
| WO (1) | WO2008101836A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008016753A1 (de) * | 2008-03-31 | 2009-10-01 | Tridonicatco Schweiz Ag | Erkennung des Typs einer Hochdruck (HID)-Entladungslampe |
| DE102008053624A1 (de) * | 2008-10-29 | 2010-05-27 | Osram Gesellschaft mit beschränkter Haftung | Lampe/EVG-System mit definiertem Betriebsparameter |
| DE102008059493A1 (de) | 2008-11-28 | 2010-06-10 | Osram Gesellschaft mit beschränkter Haftung | Integrierte Gasentladungslampe |
| DE102010040929A1 (de) * | 2010-09-16 | 2012-03-22 | Bag Engineering Gmbh | Verfahren und Vorrichtung zum Differenzieren von Hochdruck (HID)-Entladungslampen sowie Betriebsgerät zum Differenzieren und Betreiben von Hochdruck (HID)-Entladungslampen |
| DE102010042887A1 (de) * | 2010-10-25 | 2012-04-26 | Bag Engineering Gmbh | Verfahren und Vorrichtung zum Festlegen von zumindest einem Dimmparameter für eine, an einem Multilampen-Betriebsgerät angeschlossene Hochdruck (HID)-Entladungslampe mit vorgegebener Nennleistung |
| DE102011081211B4 (de) | 2011-08-18 | 2013-03-07 | Osram Ag | Schaltungsanordnung und Verfahren zum alternativen Betreiben entweder einer Hochdruckentladungslampe oder mindestens einer Halbleiterlichtquellenlampe |
| US20130293110A1 (en) * | 2012-05-04 | 2013-11-07 | Robert Bosch Gmbh | Ballast with monitoring |
| JP6391997B2 (ja) * | 2014-06-06 | 2018-09-19 | 株式会社オーク製作所 | 発信機を備えた放電ランプおよびその光源装置 |
| US9363863B2 (en) | 2014-06-12 | 2016-06-07 | Biozone Scientific International, Inc. | Electromagnetic radiation emitter identification apparatus and associated methods |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600211A (en) * | 1994-09-16 | 1997-02-04 | Tridonic Bauelemente Gmbh | Electronic ballast for gas discharge lamps |
| DE19530485A1 (de) | 1995-08-18 | 1997-02-20 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Verfahren und Schaltungsanordnung zum Betreiben einer elektrischen Lampe |
| DE19850441A1 (de) * | 1998-10-27 | 2000-05-11 | Trilux Lenze Gmbh & Co Kg | Verfahren und Vorschaltgerät zum Betrieb einer mit einer Leuchtstofflampe versehenen Leuchte |
| JP2003249392A (ja) * | 2002-02-22 | 2003-09-05 | Mitsubishi Electric Corp | 放電灯点灯装置 |
| WO2005060320A1 (en) * | 2003-12-11 | 2005-06-30 | Koninklijke Philips Electronics, N.V. | Electronic ballast with lamp type determination |
| DE102004008806A1 (de) | 2004-02-20 | 2005-09-08 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Verfahren zum Betreiben von Lampen an einem Elektronischen Vorschaltgerät und Elektronisches Vorschaltgerät |
| DE102004061294B4 (de) * | 2004-12-20 | 2020-03-19 | Tridonic Gmbh & Co Kg | Verfahren zur Programmierung eines Betriebsgerätes für Leuchtmittel, Schnittstelle für ein Betriebsgerät für Leuchtmittel und Betriebsgerät für Leuchtmittel |
-
2007
- 2007-02-19 DE DE102007008148A patent/DE102007008148A1/de not_active Withdrawn
-
2008
- 2008-02-12 KR KR1020097019552A patent/KR101591298B1/ko not_active Expired - Fee Related
- 2008-02-12 AT AT08716808T patent/ATE505062T1/de active
- 2008-02-12 DE DE502008003098T patent/DE502008003098D1/de active Active
- 2008-02-12 WO PCT/EP2008/051663 patent/WO2008101836A1/de not_active Ceased
- 2008-02-12 CN CN2008800015334A patent/CN101578925B/zh not_active Expired - Fee Related
- 2008-02-12 EP EP08716808.4A patent/EP2123133B2/de active Active
- 2008-02-12 US US12/527,558 patent/US8344649B2/en not_active Expired - Fee Related
- 2008-02-15 TW TW097105292A patent/TW200838365A/zh unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008101836A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502008003098D1 (de) | 2011-05-19 |
| CN101578925A (zh) | 2009-11-11 |
| TW200838365A (en) | 2008-09-16 |
| EP2123133B1 (de) | 2011-04-06 |
| KR101591298B1 (ko) | 2016-02-03 |
| CN101578925B (zh) | 2013-01-16 |
| US20100033107A1 (en) | 2010-02-11 |
| DE102007008148A1 (de) | 2008-08-21 |
| ATE505062T1 (de) | 2011-04-15 |
| EP2123133B2 (de) | 2016-01-13 |
| WO2008101836A1 (de) | 2008-08-28 |
| US8344649B2 (en) | 2013-01-01 |
| KR20090115757A (ko) | 2009-11-05 |
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