EP1854340A1 - Starter für niederdruckentladungslampen - Google Patents
Starter für niederdruckentladungslampenInfo
- Publication number
- EP1854340A1 EP1854340A1 EP06705912A EP06705912A EP1854340A1 EP 1854340 A1 EP1854340 A1 EP 1854340A1 EP 06705912 A EP06705912 A EP 06705912A EP 06705912 A EP06705912 A EP 06705912A EP 1854340 A1 EP1854340 A1 EP 1854340A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- starter
- thermistor
- low
- pressure discharge
- resistance
- 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
- 239000007858 starting material Substances 0.000 title claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 abstract 4
- 238000013021 overheating Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
- H05B41/06—Starting switches thermal only
- H05B41/08—Starting switches thermal only heated by glow discharge
-
- 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
- H05B41/295—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 with preheating electrodes, e.g. for fluorescent lamps
- H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2985—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
Definitions
- the invention relates to a starter for AC-powered low-pressure discharge lamps according to the preamble of patent claim 1.
- Such a starter is known for example from DE 91 04 136 U1.
- the shutdown device has a thermistor (NTC resistor) with a resistor connected in parallel and a resettable bimetallic switch, which is arranged in series with the parallel connection of thermistor and ohmic resistance.
- the bimetallic switch is in thermal contact with the thermistor and the ohmic resistor and is used for safety shutdown of the starter with defective glow starter or defective fluorescent lamp.
- a disadvantage of such starters is that it can lead to overheating of the ohmic resistance and thus melting of the starter sleeve and the destruction of the starter in case of malfunction of the starter, such as a non-turn-off of the starter. For this reason, it is necessary to provide the ohmic resistor with an additional protective cover, for example, made of silicone cement, which reduces its heat radiation, so that melting of the starter housing is prevented.
- additional protective cover for example, made of silicone cement, which reduces its heat radiation, so that melting of the starter housing is prevented.
- such covers are associated with increased manufacturing costs.
- the invention has for its object to provide a starter for AC powered low-pressure discharge lamps, in which compared to conventional solutions rapid ignition and safe shutdown of the fluorescent lamp is made possible and overheating is prevented with reduced manufacturing costs.
- the inventive starter for AC-powered, operated on a series choke low-pressure discharge lamps consists of a glow starter, a NTC thermistor connected in series with the glow starter, and a resettable bimetallic switch, which is connected in series with the glow starter and the thermistor and with this is in thermal contact, wherein the thermistor has a high resistance in the cold state, which passes by self-heating in a low-resistance and the bimetallic switch at Igniting the low-pressure discharge lamp interrupts the Elektrodenloomnik.
- the current is conducted both to ignite the low-pressure discharge lamp and to switch off when not ignited via the thermistor.
- Thermistor a rapid transition to a low-resistance
- the resistance of the thermistor is at a temperature of 100 0 C, preferably in a range of about 30 to 50 ⁇ .
- the electrical resistance values preferably have a ratio R1 / R2> 10 at 25 ° C. and at 100 ° C.
- the average ignition time of the starter is in a range of about 1.3 to 6 seconds. This ensures customer-friendly operation of the low-pressure discharge lamp without disturbing turn-on delay.
- the average turn-off time of the starter in a preferred embodiment is greater than about 20 seconds and less than about 70 seconds. It has proved to be particularly advantageous to arrange the thermistor in the immediate vicinity of an electrode of the bimetallic switch.
- the electrode of the bimetallic switch and the thermistor is electrically and thermisöh conductively connected to a mounting board.
- the good heat transfer between the thermistor and the bimetallic switch allows safe shutdown when not igniting the low-pressure discharge lamp.
- the electronic components of the starter are arranged in a starter sleeve made of insulating plastic of fire protection class VO.
- Figure 1 is a schematic circuit arrangement of a starter according to the invention.
- FIG. 2 shows a plan view of the starter from FIG. 1.
- FIG. 1 shows a schematic circuit arrangement of a fuse quick starter (ST 171 DEOS) 1 according to the invention for operating a fluorescent lamp 2, in which the electrode filaments 4, 6 of the fluorescent lamp 2 are supplied with an alternating voltage Ug via a series choke 8.
- the ballast 8 is used to limit the current and is connected in series with the fluorescent lamp 2.
- the starter 1 consists essentially of a glow starter 10 for starting the fluorescent lamp 2 and a shutdown device according to the invention a NTC resistor 12, ie a temperature-dependent resistor having a negative temperature coefficient and is arranged in series with a bimetallic switch 14. This is closed when you turn on the starter 1 and is used for safety shutdown of the heating circuit.
- a capacitor 16 is connected in parallel to the glow starter 10 and the thermistor 12.
- FIG. 2 which shows a spatial arrangement of the starter components, these are fastened on a base plate 18, which is inserted vertically into an approximately cylindrical starter sleeve 20.
- the bimetal switch 14 consists of a bimetallic electrode 22, with a cranked end portion 24 and a spring wire electrode 26 which is engaged from behind in the cranked end portion 24.
- the bimetallic electrode 22 is welded via a second, non-cranked end portion 28 to a metal mounting board 30 which is supported by a plastic frame 32.
- the plastic frame 32 is on the bottom side in an approximately round bottom plate 34, which is inserted into a, formed at one end portion 36 of the starter sleeve 20 annular groove 38 and axially fixed by an annular projection 40.
- the thermistor 12 is electrically conductively fixed to the mounting board 30 and has an electrically conductive connection to a metallic contact element 42, on which a first electrode terminal 41 of the glow starter 10, which is largely hidden in Figure 2 by the mounting board 30 and the plastic frame 32, soldered is.
- the spring wire electrode 26 has a, in Figure 2 is approximately horizontally disposed leg 44 and a vertical leg 46, wherein the vertical leg 46 mounted in a groove 48 of the plastic frame 32, fixed by a fusion 50 on this and electrically conductive with a first contact pin 52 of the Starters 1 is connected.
- the horizontal leg 44 of the spring wire electrode 26 is engaged in the cranked end portion 24 of the bimetallic electrode 22, so that the spring wire electrode 26 makes electrical contact between the cranked end portion 24 of the bimetallic electrode 22 and the vertical leg 46 to the first contact pin 52 of the starter.
- a second contact pin 54 is electrically conductively connected via a further contact element 56 to a second electrode terminal 58 of the glow starter 10.
- the function of the starter 1 is explained by way of example with reference to FIGS. 1 and 2.
- the thermistor 12 is due to its high resistance in the cold state of about 560 ⁇ by self-heating within a very short time in a low-resistance range over.
- the maximum preheating current necessary for preheating the electrode filaments 4, 6 of the fluorescent lamp 2 is available, so that the electrode filaments 4, 6 are preheated to 800 to 1000 ° C. within the shortest possible time.
- the electric current in the heating circuit is interrupted by means of the glow starter 10.
- the glow starter 10 is designed as a glow lamp with two bimetallic electrodes (not shown), which bend under the influence of heat of the glowing light against each other and finally touch. When the bimetallic electrodes touch, the glowing light goes out and the heat effect disappears. After cooling the electrodes open again and interrupt the circuit. This current interruption generated in the series reactor 8 due to their inductance, the voltage required for the ignition pulse, which initiates the discharge in the fluorescent lamp 2.
- the temperature of the thermistor 12 continues to rise, the resulting heat being dissipated via the mounting board 30 and through
- the inventively designed starter 1 ensures a fast and thus customer-friendly lamp start and safe shutdown of the
- the current is conducted both to ignite the low-pressure discharge lamp 2 and to switch off when not ignited via the thermistor 12.
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005009057A DE102005009057A1 (de) | 2005-02-28 | 2005-02-28 | Starter für Niederdruckentladungslampen |
| PCT/DE2006/000184 WO2006089506A1 (de) | 2005-02-28 | 2006-02-06 | Starter für niederdruckentladungslampen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1854340A1 true EP1854340A1 (de) | 2007-11-14 |
| EP1854340B1 EP1854340B1 (de) | 2012-11-07 |
Family
ID=36215756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06705912A Expired - Lifetime EP1854340B1 (de) | 2005-02-28 | 2006-02-06 | Starter für niederdruckentladungslampen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7541753B2 (de) |
| EP (1) | EP1854340B1 (de) |
| CN (1) | CN101129098B (de) |
| CA (1) | CA2599282A1 (de) |
| DE (1) | DE102005009057A1 (de) |
| WO (1) | WO2006089506A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4919146B2 (ja) | 2005-09-27 | 2012-04-18 | 独立行政法人産業技術総合研究所 | スイッチング素子 |
| DE102007012934A1 (de) * | 2007-03-19 | 2008-09-25 | E-Ressource Österreich Gmbh | Startergehäuse für Leuchtstoffröhren |
| JP7597464B2 (ja) * | 2021-02-10 | 2024-12-10 | 東京エレクトロン株式会社 | プラズマ処理装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2032446A1 (de) | 1970-07-01 | 1972-01-13 | Siemens Ag | Schaltungsanordnung für eine wechselstromgespeiste Gasentladungslampe mit vorheizbaren Elektroden |
| DE2321212C2 (de) | 1973-04-26 | 1983-04-28 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Starter für wechselstromgespeiste Niederdruck-Entladungslampen |
| DE2452417C3 (de) | 1974-11-05 | 1980-08-28 | Willi 5909 Burbach-Holzhausen Kitzki | Sicherungsstarter für Niederspannungs-Entladungslampen |
| DE9104136U1 (de) * | 1991-04-05 | 1991-06-06 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München | Starter für wechselstromgespeiste Niederdruckentladungslampen |
-
2005
- 2005-02-28 DE DE102005009057A patent/DE102005009057A1/de not_active Withdrawn
-
2006
- 2006-02-06 CN CN200680006330.5A patent/CN101129098B/zh not_active Expired - Fee Related
- 2006-02-06 EP EP06705912A patent/EP1854340B1/de not_active Expired - Lifetime
- 2006-02-06 US US11/885,169 patent/US7541753B2/en not_active Expired - Fee Related
- 2006-02-06 CA CA002599282A patent/CA2599282A1/en not_active Abandoned
- 2006-02-06 WO PCT/DE2006/000184 patent/WO2006089506A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006089506A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1854340B1 (de) | 2012-11-07 |
| WO2006089506A1 (de) | 2006-08-31 |
| CN101129098B (zh) | 2010-12-08 |
| US7541753B2 (en) | 2009-06-02 |
| CA2599282A1 (en) | 2006-08-31 |
| US20080129228A1 (en) | 2008-06-05 |
| DE102005009057A1 (de) | 2006-08-31 |
| CN101129098A (zh) | 2008-02-20 |
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