EP0811305B1 - Dispositif d'aide a l'allumage et regulation pour tubes fluorescents - Google Patents

Dispositif d'aide a l'allumage et regulation pour tubes fluorescents Download PDF

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Publication number
EP0811305B1
EP0811305B1 EP96904166A EP96904166A EP0811305B1 EP 0811305 B1 EP0811305 B1 EP 0811305B1 EP 96904166 A EP96904166 A EP 96904166A EP 96904166 A EP96904166 A EP 96904166A EP 0811305 B1 EP0811305 B1 EP 0811305B1
Authority
EP
European Patent Office
Prior art keywords
tube
fact
loaded polymer
electrodes
pct
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.)
Expired - Lifetime
Application number
EP96904166A
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German (de)
English (en)
French (fr)
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EP0811305A1 (fr
Inventor
Alexandre Ferrero
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Individual
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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
    • H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
    • H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps

Definitions

  • the present invention relates to a lighting device electric comprising a tube containing an ionizable gas.
  • Ignition systems and regulation of discharge tubes gas are generally composed of magnetic coil and core transformers and ballasts with strong magnetic leaks, inductors in series, starters or filaments heated to allow priming the tubes and regulating the intensity.
  • They can also include heating wires and resistors or use high electronic ballasts frequency, voltage multipliers to allow priming.
  • These elements have various disadvantages such as weight and relatively large dimensions of the stabilization circuits ignition, significant heating of the inductive systems, interference and pollution of power lines.
  • French patent application 87 07146 describes a device, continuous voltage doubler, adapted to the ends of the tube and allowing ignition without ballast or choke.
  • French patent application 89 04356 describes a device voltage doubler fitted with a polarity reversing switch of the voltage across the tube so as to avoid asymmetry due to premature aging of the tube.
  • This system although less bulky, still uses a firstly a load resistance and secondly means of starter. No element combining these two functions is used, which would further reduce manufacturing costs and the size of the lamp thus equipped.
  • the present invention relates to a device combining the ignition assistance and regulation functions of the tubes gas, compact and light weight, allowing freer design of lighting fixtures and systems light producers comprising a fluorescent tube and a integrated ignition and regulation system.
  • This ignition device according to the invention is in particular remarkable in that it uses the characteristics of resistivity and adaptability of polymer manufacturing loaded.
  • the present invention provides a device ignition aid and regulation for fluorescent tubes, such that a gas discharge tube supplied via two electrodes by an electrical circuit, each electrode being located at one of ends of the tube, characterized in that the circuit electric has a charged polymer part, this part being positioned close to said tube, and said part in charged polymer acts as ballast for the tube with start-up assistance and operating regulation functions correct of said tube.
  • At least one of the electrodes is coupled with a capacitor and a diode-resistor assembly having the function more easily initiate discharge and regulate gloss of the tube through the charged polymer.
  • the charged polymer is made of polyvinyl chloride and / or nylon with metal and / or carbon black inclusions.
  • the charged polymer is consisting of polymers such as polyacetylene, ionized.
  • the ions used consist of sodium, iodine and / or mercury.
  • the polymer part loaded is a housing serving as support and reflector for the tube.
  • Figure 1 is a general diagram of the device according to the invention.
  • FIGS 2, 3, 4 and 5 show modes of realization of the device according to the invention according to the characteristics of the different tubes to be ignited.
  • the structure of the charged polymer part 4 can be of different natures.
  • the use of the characteristics of resistivity of charged polymers 4 makes it possible to replace this product to ballasts used to regulate the operation of fluorescent tubes, while avoiding the use of the device complex that is the starter.
  • the very mounting of the device according to the invention limits the possibility of disturbance or interference of network lines electric only to the effects inherent in the operation of the discharge and electrodes.
  • the present invention also offers the advantage of a operation of the device regardless of the frequency of network where it is connected. Products manufactured according to the device of the invention can thus be proposed in countries where said frequencies are different.
  • the device does not include a transformer with strong magnetic leaks, the power factor of the assembly constituted by the tube and its ignition circuit is very favorable, unless a capacity is used.
  • the ignition device fluorescent tube 1 produced according to the invention allows significant improvements both in terms of manufacturing and the marketing of lighting sources.
  • AC power has the advantage to reduce the blackening of the ends of the tubes due to the effect electrolysis and improve its lifespan.
  • It also includes a part 4 made of polymer loaded, shaped so that it can be positioned along the tube 1 so as to constitute a casing serving as support and possibly a reflector for the tube.
  • the ends of part 4 are marked at 5 and 6 when powering up the circuit, a potential difference between the ends 6 and 5 of the part 4 is created by the resistance of it.
  • part 4 Made of charged polymer, part 4 which allows the instantaneous priming of the tube, has the characteristics of a resistance, whatever the frequency of the network (low or high frequency).
  • the charge level of the polymer depends on the desired power characteristics and the rise in acceptable temperature of the device.
  • the different shapes and possible cuts of the part 4 optimize the thermal and power characteristics of the device.
  • the end 5 of the part 4 is connected to the electrode 3 of the tube 1.
  • Tube 1 is positioned near part 4, which allows the modification of the resistance of the external wall and changes the distribution of the electric field inside the lamp. These modifications of the electric power lines, due to the part 4 lead to the priming of the tube 1 which becomes driver.
  • the electrical circuit is closed when the electrode 2 of tube 1 is connected to the sector.
  • the position of room 4 near of the tube 1 promotes the increase in gloss thereof.
  • This acceleration of the setting in regime constitutes an element quite interesting, especially in domestic lighting. For some regimes where the cold point temperature of the tube would become higher than 50 ° C, the overall efficiency of the system would be slightly decreased, it should however be noted that the decrease beyond of 50 ° C is much slower than the gain made below of the optimal temperature.
  • the use of an amalgam also allows to calibrate the operation of the lamp on the temperature most favorable to compromise speed of setting regimen / effectiveness.
  • the device is particularly intended for tubes of dimensions such that the electrodes are close enough.
  • the low weight of the device and its reduced size allowing the use in various areas of lighting and decorative, interior and outside.
  • this device being under voltage, when the gas in tube 1 is ionized, the tube then being conductor, the capacitor 7 discharges between the electrodes 3 and 2 of tube 1 by causing priming.
  • the part 4 and the capacitor 7 then maintain the shine of the tube, resistor 8 and diode 9 being practically switched off due to the high impedance of the resistance 8.
  • this same circuit composed of the capacitor 7 resistor 8 and diode 9 can be mounted on each electrode 2 and 3 of tube 1 through parts 10 and 11 constituting a duplication of part 4.
  • This assembly presented in Figure 3 allows a doubling of voltage favoring the priming of the tube.
  • fixtures discharge power multipliers piece 4 retaining its characteristics and role, a function of the relationship between charge proportions of the polymer and the characteristics of length, volume and power of the device.
  • the device according to the invention, shown in Figure 1, where there is neither capacitor, neither resistor, nor diode, allows to use with gas discharge tubes of the dimmers, controlled manually or by means of a clock and possibly by various kinds of sensors, light or sound. Can be obtained, the variability of light intensity of the source lighting.
  • the electrical circuits can more complex structures by offering a plurality of diodes D1, D2, D3 and D4 and capacitors C1 and C2.

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP96904166A 1995-02-23 1996-02-21 Dispositif d'aide a l'allumage et regulation pour tubes fluorescents Expired - Lifetime EP0811305B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9502445 1995-02-23
FR9502445A FR2731131A1 (fr) 1995-02-23 1995-02-23 Dispositif d'allumage de tubes fluorescents
PCT/FR1996/000271 WO1996026628A1 (fr) 1995-02-23 1996-02-21 Dispositif d'aide a l'allumage et regulation pour tubes fluorescents

Publications (2)

Publication Number Publication Date
EP0811305A1 EP0811305A1 (fr) 1997-12-10
EP0811305B1 true EP0811305B1 (fr) 1998-12-02

Family

ID=9476670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96904166A Expired - Lifetime EP0811305B1 (fr) 1995-02-23 1996-02-21 Dispositif d'aide a l'allumage et regulation pour tubes fluorescents

Country Status (11)

Country Link
US (1) US5898274A (da)
EP (1) EP0811305B1 (da)
CN (1) CN1176733A (da)
AT (1) ATE174184T1 (da)
AU (1) AU4836196A (da)
DE (1) DE69601079T2 (da)
DK (1) DK0811305T3 (da)
ES (1) ES2127006T3 (da)
FR (1) FR2731131A1 (da)
GR (1) GR3029269T3 (da)
WO (1) WO1996026628A1 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5834899A (en) * 1996-10-16 1998-11-10 Tapeswitch Corporation Of America Fluorescent apparatus and method employing low-frequency excitation into a conductive-resistive inductive medium
FR2811506B1 (fr) * 2000-07-05 2002-10-11 Alexandre Ferrero Dispositif pour l'amorcage et l'alimentation d'une lampe a decharge gazeuse et appareil d'eclairage l'integrant

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092562A (en) * 1975-07-28 1978-05-30 General Electric Company Fluorescent lamp unit for multiple installation
US4415837A (en) * 1981-11-05 1983-11-15 International Telephone And Telegraph Corporation Starting circuit for gaseous discharge lamps
JPH0574587A (ja) * 1991-03-31 1993-03-26 Toshiba Lighting & Technol Corp 希ガス放電灯点灯装置
WO1993004478A1 (en) * 1991-08-23 1993-03-04 Novem Energy Savings B.V. Heat sensitive mechanical adjusting apparatus

Also Published As

Publication number Publication date
DE69601079D1 (de) 1999-01-14
WO1996026628A1 (fr) 1996-08-29
US5898274A (en) 1999-04-27
AU4836196A (en) 1996-09-11
CN1176733A (zh) 1998-03-18
DE69601079T2 (de) 1999-06-02
ES2127006T3 (es) 1999-04-01
EP0811305A1 (fr) 1997-12-10
FR2731131A1 (fr) 1996-08-30
GR3029269T3 (en) 1999-05-28
DK0811305T3 (da) 1999-08-16
ATE174184T1 (de) 1998-12-15

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