EP0069967A1 - Dispositif pour allumer des lampes fluorescentes - Google Patents
Dispositif pour allumer des lampes fluorescentes Download PDFInfo
- Publication number
- EP0069967A1 EP0069967A1 EP82106018A EP82106018A EP0069967A1 EP 0069967 A1 EP0069967 A1 EP 0069967A1 EP 82106018 A EP82106018 A EP 82106018A EP 82106018 A EP82106018 A EP 82106018A EP 0069967 A1 EP0069967 A1 EP 0069967A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- voltage
- thyristor
- charging capacitor
- fluorescent lamps
- 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
- 239000003990 capacitor Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000007858 starting material Substances 0.000 abstract description 6
- 230000003111 delayed effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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
- H05B41/02—Details
- H05B41/04—Starting switches
- H05B41/042—Starting switches using semiconductor devices
Definitions
- the invention relates to a device for starting fluorescent lamps, in particular difficult-to-ignite 26 mm fluorescent lamps, which in the middle region between their lamp electrodes are temporarily subjected to high voltage from the outside at least until the successful starting process with at least one of the lamp electrodes, with a charging circuit located between the operating voltage inputs.
- Normal 38 mm fluorescent lamps can, for example, in a heating transformer circuit or in a Starter circuit ignited and operated. While 'in the heating transformer circuit the lamp electrodes are constantly flowed through by a heating current and thus ignition at mains voltage is possible, a voltage spike igniting the fluorescent lamp arises between the lamp electrodes in the starter circuit as a result of a current interruption. It has been shown that the much more energy-efficient new 26 mm fluorescent lamps can be ignited and operated with the usual starter circuit, but not with the heating transformer circuit.
- this object is achieved by a discharge element which can be controlled with respect to the start and end of its operation.
- the discharge element is preferably represented by a controllable valve with a control electrode, such as a thyristor. It is further preferred that the control electrode of the thyristor for igniting the same from a certain voltage on the charging capacitor biased accordingly and can be connected to suppress the thyristor ignition processes via a control element with the thyristor cathode.
- a discharge circuit enables reliable discharge from a certain voltage on the charging capacitor and safe suppression of the discharge processes after the control element has responded.
- control element is a photoresistor in light contact with the fluorescent lamp to be ignited.
- photo resistors connected in series can also be provided, each of which is in light contact with one of several fluorescent lamps to be ignited. Since the control electrode of the thyristor is then only connected to its cathode when all the photoresistors are conductive, the high-voltage application is only interrupted after all fluorescent lamps in this group have been started.
- the control element can be a timer.
- This is preferably an electrical time switch which connects the thyristor control electrode to the thyristor cathode from the application of the operating voltage up to a first point in time and then releases it again from a second point in time.
- the first and second instants are preferably adjustable.
- Such a timer enables a versatile approach adaptation to the respective operating requirements and, for example, a time-delayed and time-limited application of high voltage. While the delay serves the purpose of only carrying out the high-voltage application when it is possible to ignite the fluorescent lamp after the lamp electrodes have been heated, the temporary high-voltage application should also switch off when the lamp has not been ignited for a long time.
- the high-voltage application normally ends before the second point in time, namely immediately after the lamp has been ignited, and only at the second point in time in the event of a fault. This must be set so that it occurs after the time within which the ignition of intact fluorescent lamps normally takes place.
- the high-voltage transformer can be designed as an autotransformer. Furthermore, the high-voltage transformer can be connected or connectable on the output side to a plurality of high-voltage electrodes for the same reason. Therefore, an entire group of fluorescent lamps to be lit at the same time can be started with the same device.
- bypass capacitor connected in parallel with the operating inputs of the high-voltage generator for generating a heating current flowing through the lamp electrodes. This makes it possible to use the device even with conventional starter circuits and to connect it instead of the starter.
- the bypass capacitor allows a constant heating current to flow through the lamp electrodes, so that problem-free ignition is possible.
- a bridging resistor could also be used instead of the bridging capacitor, but this would have the disadvantage of generating heat loss or unnecessary energy consumption.
- this change in state can optionally be used to put the high-voltage generator out of operation due to a voltage drop. In this case, there is no need for photo resistors and timers. The latter would only be required if delayed high voltage application is desired.
- Figure 1 shows the device according to the invention.
- a series circuit with a rectifier 34 in the form of a diode, a current limiting resistor 36, a charging capacitor 38 and a high-voltage transformer 40 In the present embodiment, the latter is an autotransformer, of which the series circuit serving as a charging circuit is a part detected.
- a discharge circuit with a thyristor 42 is located parallel to the charging capacitor 38 and the high-voltage transformer 40.
- a series circuit comprising a resistor 44, a zener diode 46 and a zener diode 48 connects the line between the current limiting resistor 36 and the charging capacitor 38 to the control electrode of the thyristor 42 Connection point 50 between the Zener diodes 46, 48 is connected via a photo resistor 52 to the cathode of the thyristor 42 or to the terminal 22.
- the high-voltage transformer 40 is connected via the high-voltage line 24 to the high-voltage electrode 16 that at least partially encompasses the fluorescent lamp 10. If necessary, the high-voltage line 24 can be connected to further high-voltage electrodes 16 via a plurality of additional connections 56.
- the high voltage generator 18 of Figure 1 operates as follows. After at the connections 20, 22 by closing the switch S from Figures 1, 2 Be drive voltage is present, there is a gradual charging of the charging capacitor 38 in the charging circuit. As soon as its voltage has risen to a threshold value influenced by the zener diodes 46, 48, the thyristor 42 is suddenly switched through. The sudden discharging of the charging capacitor 38 takes place at the output of the High voltage transformer 40 generation of high voltage peaks. After a sufficient drop in the voltage at the charging capacitor 38, the thyristor 42 is blocked again because the current limiting resistor 36 prevents the thyristor holding current from being exceeded.
- the high-voltage generator 18 expediently contains a plurality of photo-resistors 52 connected in series, each of which is irradiated by one of the fluorescent lamps 10 and must all be activated before the High voltage loading is interrupted.
- an electrical time switch 54 can be connected between the connection point 50 and the cathode of the thyristor 42 receives its supply voltage from the output of the rectifier 34.
- This controllable time switch 54 may ensure that the Hochwoodsbeetzung in a certain way is delayed in time by carried out initially closing the Z eitschalters 54 and thus connecting the connection point 50 with the cathode of the thyristor 42nd High-voltage pulses can only be generated after the timer 54 has been opened.
- This timer 54 can also be used to prevent high voltage exposure after a certain period of time, within which an intact fluorescent lamp 10 must have been ignited.
- the high-voltage application can normally be switched off when the fluorescent lamp 10 is ignited via the photo resistor 52 and only then via the timer 54 if, for example, an ignition process cannot be achieved as a result of a defective fluorescent lamp 10.
- a bridging capacitor 32 can also be placed between the connections 20, 22 in order to achieve the advantages explained in connection with the description of FIG. 2.
- this bypass capacitor 32 it is possible to replace this bypass capacitor 32 with a resistor, which likewise allows a heating current to flow continuously through the lamp electrodes 12, 14.
- the pulse diagram a from Figure 2 shows a case at between the initial time t o and the longest possible time t 3, a sequence of high-voltage pulses is generated, regardless of whether the fluorescent lamp has ignited or not.
- the high-voltage application is delayed until time t 1 , the period between t 0 and t 1 being used to sufficiently heat the lamp electrodes 12, 14.
- the high-voltage application delayed until time t 1 ends at time t 2 in the present case after two high-voltage pulses either by limiting this number or by switching off the high-voltage application by means of photo resistor 52 from FIG. 3. In the latter case can be switched off after a single high-voltage pulse.
- the application of high voltage already begins at time t 0 and then ends as in case c.
- the high-voltage electrode 16 in FIG. 1 is designed as an elastic retaining clip which is symmetrical with respect to its electrical connection and which partially surrounds the fluorescent lamp 10 in a ring-like manner. Such a high-voltage electrode 16 can have the disadvantage that it is visible during operation of the fluorescent lamp.
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT82106018T ATE16673T1 (de) | 1981-07-15 | 1982-07-06 | Einrichtung zum starten von leuchtstofflampen. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3127876 | 1981-07-15 | ||
DE19813127876 DE3127876A1 (de) | 1981-07-15 | 1981-07-15 | Verfahren und einrichtung zum starten von leuchtstofflampen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0069967A1 true EP0069967A1 (fr) | 1983-01-19 |
EP0069967B1 EP0069967B1 (fr) | 1985-11-21 |
Family
ID=6136931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82106018A Expired EP0069967B1 (fr) | 1981-07-15 | 1982-07-06 | Dispositif pour allumer des lampes fluorescentes |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0069967B1 (fr) |
JP (1) | JPS5893197A (fr) |
AT (1) | ATE16673T1 (fr) |
DE (2) | DE3127876A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107165758A (zh) * | 2017-07-26 | 2017-09-15 | 重庆理工大学 | 一种强流脉冲电子束源光遥控点火驱动器 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3437514A1 (de) * | 1984-10-12 | 1986-04-17 | Siemens AG, 1000 Berlin und 8000 München | Leuchte mit einer entladungslampe und einem elektronischen vorschaltgeraet |
US4654562A (en) * | 1984-12-21 | 1987-03-31 | The Gerber Scientific Instrument Co. | Flashing lamp unit |
DE3642413A1 (de) * | 1986-12-11 | 1988-06-23 | Juerg Nigg | Verfahren zur erhoehung der zuendwilligkeit von entladungslampen, zuendhilfeanordnung und entladungslampe mit zuendhilfe |
DE9301794U1 (de) * | 1993-02-09 | 1994-06-09 | Mutzhas, Irmgard, 81479 München | Niederspannungs-Leuchtröhre für Lichtwerbeanlagen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1289118A (fr) * | 1969-10-10 | 1972-09-13 | ||
DE2355201A1 (de) * | 1973-11-05 | 1975-05-15 | Hans Kreutzinger | Vollelektronisches zuendgeraet fuer kaltstartleuchtstoffroehren insbesondere fuer 380 v-hochleistungsroehren |
DE3107299A1 (de) * | 1980-03-17 | 1981-12-10 | Xerox Corp., 14644 Rochester, N.Y. | Gluehlampenvorschaltung fuer eine leuchtstofflampe |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR997513A (fr) * | 1949-09-17 | 1952-01-07 | Dispositif d'allumage pour tubes fluorescents | |
GB671444A (en) * | 1949-11-01 | 1952-05-07 | Ecko Ensign Electric Ltd | Improvements in and relating to electric discharge lamps |
GB685273A (en) * | 1950-03-14 | 1952-12-31 | British Thomson Houston Co Ltd | Improvements in and relating to starting circuits for fluorescent lamps |
DE1772583A1 (de) * | 1968-06-06 | 1971-05-13 | Ibm Deutschland | Verfahren zur Herstellung eines holographischen Filters zur Vielfachabbildung eines Objektes und nach diesem Verfahren hergestelltes Filter |
US3949267A (en) * | 1975-04-15 | 1976-04-06 | General Electric Company | Protective starting circuit for inverter operated gaseous discharge lamps |
US4117377A (en) * | 1976-01-14 | 1978-09-26 | Jimerson Bruce D | Circuits for starting and operating ionized gas lamps |
-
1981
- 1981-07-15 DE DE19813127876 patent/DE3127876A1/de not_active Withdrawn
-
1982
- 1982-07-06 AT AT82106018T patent/ATE16673T1/de not_active IP Right Cessation
- 1982-07-06 DE DE8282106018T patent/DE3267572D1/de not_active Expired
- 1982-07-06 EP EP82106018A patent/EP0069967B1/fr not_active Expired
- 1982-07-14 JP JP57122794A patent/JPS5893197A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1289118A (fr) * | 1969-10-10 | 1972-09-13 | ||
DE2355201A1 (de) * | 1973-11-05 | 1975-05-15 | Hans Kreutzinger | Vollelektronisches zuendgeraet fuer kaltstartleuchtstoffroehren insbesondere fuer 380 v-hochleistungsroehren |
DE3107299A1 (de) * | 1980-03-17 | 1981-12-10 | Xerox Corp., 14644 Rochester, N.Y. | Gluehlampenvorschaltung fuer eine leuchtstofflampe |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107165758A (zh) * | 2017-07-26 | 2017-09-15 | 重庆理工大学 | 一种强流脉冲电子束源光遥控点火驱动器 |
Also Published As
Publication number | Publication date |
---|---|
JPS5893197A (ja) | 1983-06-02 |
DE3127876A1 (de) | 1983-02-03 |
EP0069967B1 (fr) | 1985-11-21 |
DE3267572D1 (en) | 1986-01-02 |
ATE16673T1 (de) | 1985-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0120405B1 (fr) | Dispositif d'allumage pour lampe de décharge à basse pression | |
DE2816415C2 (fr) | ||
DE2323011C3 (de) | Schaltungsanordnung zur Zündung und zum Betrieb einer Gasentladungslampe | |
DE3811194A1 (de) | Festkoerper-betriebsschaltung fuer eine gleichstrom-entladungslampe | |
DE2751464C2 (fr) | ||
EP0054301B1 (fr) | Dispositif d'allumage pour lampe à décharge à basse pression | |
DE3887262T2 (de) | Wechselrichter zum Zünden und Speisen einer Gasentladungslampe. | |
CH625379A5 (fr) | ||
EP0069967B1 (fr) | Dispositif pour allumer des lampes fluorescentes | |
DE69616451T2 (de) | Umschaltanordnung | |
EP0111373B1 (fr) | Dispositif de circuit pour mise en marche et fonctionnement de lampes de décharge à gaz et à haute pression | |
DE1764624C3 (de) | Vorrichtung zum Zünden einer Gas- und/oder Dampfentladungsröhre mittels einer Hochfrequenzspannung und zur Speisung dieser Röhre | |
EP0178735B1 (fr) | Dispositif de circuit pour enflammer et mettre en marche des lampes à décharge au gaz | |
DE2924069C2 (de) | Schaltungsanordnung zum Zünden und Betrieb einer Gas- und/oder Dampfentladungslampe | |
EP0564895B1 (fr) | Ballast électronique pour lampes à décharge basse-pression | |
DE2849064C2 (de) | Zündschaltung für eine Gasentladungslampe | |
DE3503778C2 (de) | Leuchtstofflampen-Vorschaltgerät | |
AT390156B (de) | Schutzschaltung fuer eine wechselrichterschaltung | |
DE3938677A1 (de) | Leuchtstofflampen-vorschaltgeraet | |
DE2541687B2 (de) | Umrichter und verfahren zu seinem betrieb | |
DE3786501T2 (de) | Schaltung zur Begrenzung von Überspannungen in gleichstrombetriebenen Lampen. | |
DE4029203C2 (de) | Einrichtung zur Lichtbogenlöschung bei Lichtblitzerzeugungseinrichtungen für Flugzeuge | |
DE2904875A1 (de) | Schaltanordnung fuer ein sicherheitslicht-versorgungsgeraet fuer leuchtstofflampen | |
EP0552687B1 (fr) | Starter électronique pour tube fluorescent | |
DD221328A1 (de) | Abschaltvorrichtung fuer thyristorgesteuerte ueberlagerungszuendgeraete |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI NL SE |
|
17P | Request for examination filed |
Effective date: 19830718 |
|
ITF | It: translation for a ep patent filed | ||
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI NL SE |
|
REF | Corresponds to: |
Ref document number: 16673 Country of ref document: AT Date of ref document: 19851215 Kind code of ref document: T |
|
REF | Corresponds to: |
Ref document number: 3267572 Country of ref document: DE Date of ref document: 19860102 |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19900329 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19900706 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 19900726 Year of fee payment: 9 Ref country code: AT Payment date: 19900726 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19900727 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 19900730 Year of fee payment: 9 |
|
ITTA | It: last paid annual fee | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 19900731 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 19900808 Year of fee payment: 9 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Effective date: 19910403 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Effective date: 19910706 Ref country code: AT Effective date: 19910706 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Effective date: 19910707 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Effective date: 19910731 Ref country code: CH Effective date: 19910731 Ref country code: BE Effective date: 19910731 |
|
BERE | Be: lapsed |
Owner name: LUCK HARALD Effective date: 19910731 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Effective date: 19920201 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee | ||
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Effective date: 19920331 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
EUG | Se: european patent has lapsed |
Ref document number: 82106018.3 Effective date: 19920210 |