EP1843647A1 - Système, procédé et adaptateur pour le fonctionnement de lampes fluorescentes - Google Patents

Système, procédé et adaptateur pour le fonctionnement de lampes fluorescentes Download PDF

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Publication number
EP1843647A1
EP1843647A1 EP06112398A EP06112398A EP1843647A1 EP 1843647 A1 EP1843647 A1 EP 1843647A1 EP 06112398 A EP06112398 A EP 06112398A EP 06112398 A EP06112398 A EP 06112398A EP 1843647 A1 EP1843647 A1 EP 1843647A1
Authority
EP
European Patent Office
Prior art keywords
terminals
end cap
electronic ballast
adapter element
suppression module
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.)
Withdrawn
Application number
EP06112398A
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German (de)
English (en)
Inventor
Karl-Heinz Stutzer
Jens Kretschmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAVE-T5-TRONIC GmbH
Original Assignee
SAVE-T5-TRONIC GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SAVE-T5-TRONIC GmbH filed Critical SAVE-T5-TRONIC GmbH
Priority to EP06112398A priority Critical patent/EP1843647A1/fr
Publication of EP1843647A1 publication Critical patent/EP1843647A1/fr
Withdrawn legal-status Critical Current

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    • 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

Definitions

  • the present invention relates to a system, method and adapter element for operating a fluorescent tube having first and second end caps with two terminals, the two terminals of the first end cap being connected to a high frequency output of an electronic ballast powered by an AC power source are and the electronic ballast having an input for feeding an AC power generated by an AC power source, and having a suppression module, wherein an output of the suppression module is electrically connected to the input of the electronic ballast.
  • a fluorescent tube is usually a gas discharge lamp comprising a tubular discharge vessel made of glass, at the first end cap, a first filament and at the second end cap, a second filament is melted, and wherein the first and second end cap each have two terminals.
  • the discharge vessel is usually evacuated and may be filled with argon and a small amount of mercury.
  • the electrical operation of a fluorescent tube by means of an electronic ballast is for example from the EP 1 095 541 B1 known.
  • the ECG is a quadrupole, whose output terminals are connected to the two terminals of the first input cap for applying a high-frequency AC voltage, and whose input terminals with the two terminals of the second input cap and a throttle form a series circuit connected in parallel to an AC power source is.
  • a suppression module for reducing the electromagnetic radiation When operating the fluorescent tube with a high-frequency alternating voltage, a suppression module for reducing the electromagnetic radiation is generally used, wherein the suppression module can be placed in parallel with the above-described circuit arrangement between the AC power source and the series circuit.
  • the invention is based on the object to expand the positioning capabilities of a suppression module for operated with electronic ballast fluorescent tube while sufficient interference suppression.
  • an input of the suppression module is connected to at least one of the two terminals of the second end cap.
  • the fluorescent tube includes a first filament connected to the two terminals of the first end cap and a second filament connected to the two terminals of the second end cap.
  • the suppression module may be, for example, a two-port including a first port and a second port, wherein both the first port and the second port each have a first and a second port.
  • the suppression module may for example be a low pass, this low pass can be realized for example by a T-circuit, a Pi circuit or other circuits.
  • a first capacitor between the first input and the second input of the first gate and a second capacitor between the first input and the second input of the second gate are switched, and there may be a first coil between the first inputs of the first and second gate and a second coil is connected between the second inputs of the first and second ports.
  • the suppression module can suppress and / or filter high-frequency disturbances which are fed either into the first port or into the second port, so that the disturbance is not output at the other port.
  • the suppression module can therefore suppress high-frequency alternating voltages or alternating currents, which are caused by the operation of the fluorescent tube with the ECG, and / or filter and reduce, for example, an electromagnetic radiation.
  • the suppression module can be fed, for example, via the first and second terminals of the first gate with the alternating current generated by the AC source, the second gate of the suppression module is connected to the input of the electronic ballast (EVG), so that the ECG with the through the suppression module filtered alternating current of the AC power source is fed.
  • ECG electronic ballast
  • the suppression module can be caused, for example, by the second incandescent induced perturbations, such as the second incandescent coil. filtering and / or suppressing a high frequency current picked up by the second filament during operation of the fluorescent tube and transmitted via at least one of the two terminals of the second end cap, such that, for example, the input of the ECG is free of interference induced by the second filament and trouble-free operation of the TOE can be enabled.
  • the solution according to the invention has the advantage that interferences caused by the electronic ballast, which could reach the connected AC power source and thus a connected AC power supply from the input of the electronic ballast, are filtered or suppressed by the suppression module, so that an electromagnetic radiation is reduced ,
  • the solution according to the invention has the advantage that the suppression module can be placed directly at the entrance of the ECG.
  • the suppression module can be integrated into the electronic ballast.
  • the two terminals of the second end cap may be outside of the electrical connection between the suppression module and the input of the ECG.
  • An embodiment of the invention provides that an output of the suppression module is electrically connected to the input of the electronic ballast, and an input of the suppression module is fed with the alternating current generated by the AC power source.
  • a further embodiment of the invention provides that the two terminals of the second end cap are together at a common electrical potential.
  • This embodiment is self-inventively, which may preferably be combined with the invention described above in which the two terminals of the second end cap together are at a common electrical potential and each of the two terminals of the second end cap outside the electrical connection between the suppression module and the input the electronic ballast is located.
  • the electronic ballast may, for example, have an input for supplying the alternating current comprising a first and a second terminal. If the suppression module is realized, for example, by the two-port described above, the first terminal of the input of the electronic ballast can be connected to the first terminal of the second gate of the suppression module, and the second terminal of the input of the electronic ballast can be connected to the second terminal of the second gate of the suppression module be, and the first gate of the suppression module can are fed with the alternating current generated by the AC power source.
  • the two terminals of the second end cap lying together at a common electrical potential can be connected to the first gate of the suppression module.
  • the common electrical potential of the two terminals of the second end cap can be forced, for example, by a galvanic short in a socket receiving the fluorescent tube, or for example by a galvanic short in an adapter piece which can be arranged between the second end cap and a socket.
  • the electronic ballast applies to the two terminals of the first end cap and thus to the first incandescent filament of the fluorescent tube a high-frequency alternating voltage whose frequency in the range between 10 kHz and 100 kHz, in particular between 20-60 kHz preferably between 30-33 kHz , Furthermore, the ECG can also assume the function of a dimmer, for example.
  • Such systems can be operated with fluorescent tubes, which burned a Have filament, so that the life of the fluorescent tubes is increased.
  • this embodiment of the invention shows an advantage in terms of electromagnetic compatibility. Due to the fact that no operating current of the electronic ballast can flow via the second filament, no voltage drop can occur via the second filament acting as an ohmic resistance, so that the alternating current generated by the AC source is not influenced by the ohmic resistance of the second filament and without the second Incandescent spiral to flow into the first gate of the suppression module can be fed. Thus, the full power voltage can be present at the first gate of the suppression module, whereby a faultless operation of the suppression module and the subsequently connected electronic ballast can be ensured.
  • the neutral conductor (N conductor) can thus be connected to the first gate of the suppression module via the terminals of the second end cap which are at a common electrical potential, so that the N conductor can be displaced directly to the input of the suppression module.
  • An embodiment of the invention provides that the two terminals of the second end cap are connected via a low electrical resistance.
  • This low electrical resistance is thus connected in parallel to the second filament of the fluorescent tube, so that, for example, the operating alternating current, depending on the size of the electrical resistance, for the most part by the electrical resistance and not by the second filament flows.
  • this embodiment of the invention allows a longer life the second filament and thus the fluorescent tube.
  • the fluorescent tube can be operated even when the second filament is burned out, since now flows the entire operating current through the electrical resistance ,
  • the aforementioned advantages also apply to the inventive solution with the electrical resistance.
  • first terminal and the second terminal of the second end cap may be together at a common potential, and the low electrical resistance may be further connected between the first terminal and the second terminal of the second end cap.
  • An embodiment of the invention provides that the electronic ballast is located in a first adapter element which can be placed between the first socket and the two terminals of the first end cap.
  • this first adapter element comprising the ECG
  • a low-frequency operated fluorescent tube which exactly matches the length between the first and the second socket, can be passed through the first Replace adapter element and another fluorescent tube with shorter length, so that this other fluorescent tube is now fed with the high-frequency AC voltage generated by the ECG located in the first adapter element.
  • this solution according to the invention has the advantage that the length of the electrical connection between the output of the electronic ballast and the terminals of the first end cap is minimized, since the adapter element comprising the electronic ballast is located directly on the first end cap, and thus of the high-frequency AC voltage of the ECG caused high-frequency radiation is minimized.
  • An embodiment of the invention provides that the suppression module is located in the first adapter element.
  • the first adapter element includes both the suppression module, and, as described above, the ECG.
  • the suppression module may for example be designed as a two-port and placed between the input of the ECG and the two terminals of the first adapter element, so that the suppression module can be fed via the two terminals of the first adapter element with the AC generated by the AC power source and the input of the ECG can be fed with a filtered alternating current.
  • This embodiment of the invention has the advantage that both the suppression module and the electronic ballast can be accommodated in the first adapter element, so that the first adapter element comprising the suppression module and the electronic ballast is very well suited for retrofitting fluorescent tube systems, since the suppression module is not in the Housing of the fluorescent tube system must be placed.
  • first adapter element comprising the ECG equally apply to the first adapter element comprising the ECG and the suppression module.
  • An embodiment of the invention provides that the common electrical potential of the two terminals of the second end cap is enforced by an electrical short circuit arranged in the second socket.
  • This short circuit in the second version can be retrofitted, for example, in an existing system, so that the inventive feature of the common electrical potential of the two terminals of the second end cap can be easily retrofitted to existing systems. As soon as the fluorescent tube is inserted into the second socket, the two terminals of the second end cap of the fluorescent tube are thus set together to a common electrical potential.
  • An embodiment of the invention provides that the system can be placed between the two terminals of the second end cap and the second socket second Includes adapter element, wherein the two terminals of the second end cap are put together by the second adapter element to a common electrical potential.
  • This embodiment is independently inventive, as well as the further embodiments described below regarding the second adapter element.
  • This common electrical potential of the two terminals of the second end cap can be effected for example by a short circuit in the second adapter element.
  • the common electrical potential can also be realized in that the adapter element electrically applies only one of the two terminals of the second end cap to the at least one terminal of the adapter element, whereby no operating current can flow over the two terminals of the second end cap and through the second filament and Thus, the two terminals of the second end cap are together at a common potential.
  • the second adapter element is suitable, for example, for retrofitting existing systems for operating fluorescent tubes, which already comprise a first and a second socket for receiving a fluorescent tube operated with a high-frequency alternating voltage, wherein neither the first nor the second socket short-circuited to the respective end cap caused by an inserted fluorescent tube.
  • the second adapter element can be easily inserted between one of the end caps of the fluorescent tube and the second socket, whereby the common invention Potential of the two terminals of the second end cap of the fluorescent tube is generated.
  • the second adapter element may be formed such that despite the interposition of the second adapter element between the fluorescent tube and the second version, the same fluorescent tube can be used as in the previously existing system.
  • the second adapter element may also have a length such that a shorter fluorescent tube is used after the conversion.
  • An embodiment of the invention provides that the length of the second adapter element compensates for a difference in length between the distance of the first and the second socket and the total length of the fluorescent tube and the optional existing first adapter element.
  • a low-frequency operated fluorescent tube system for example, with a T-8 tube can be easily converted to the inventive system by the previous low-frequency operated fluorescent tube is replaced by a new fluorescent tube, for example, a T-5 tube with shortened length, and the length of first adapter element and the second adapter element is dimensioned so that the unit comprising the first adapter element, the new fluorescent tube and the second adapter element fits exactly between the first and the second socket.
  • a starter operating in the low-frequency operated system can be short-circuited for the operation of the system according to the invention. Also, the starter can be replaced with a fuse.
  • This solution according to the invention has the advantage that, for example, a hitherto used in the low-frequency system, the fluorescent tube by means of two versions accommodating housing does not have to be converted consuming, but by using the first and second adapter element and a shortened fluorescent tube can be converted to a system with a high-frequency operated fluorescent tube.
  • the first and the second adapter elements can in this case also different contact distances between the high-frequency operated fluorescent tube, for example a T-5 tube, and the low-frequency operated fluorescent tube, for example ine T-8 tube, compensate, so that the high-frequency operated tube with the first and the second adapter element can be inserted into the designed for the low-frequency tube first and second version.
  • An embodiment of the invention provides that the AC source and the input of the suppression module are in a first circuit, and that an output of the suppression module feeds the input of the electronic ballast with a suppressed AC.
  • the suppression module can be designed, for example, as a two-port, wherein the first port of the two-port is the input of the suppression module and the second port of the two-port is the output of the suppression module.
  • a choke may be located between the AC source and the input of the suppression module. This choke can act as a high-frequency filter and suppress electromagnetic and high-frequency interference, furthermore, the throttle can optimize the power and crest factor.
  • An embodiment of the invention provides that the two terminals of the second end cap are connected to the first circuit.
  • the first port of the suppression module may have a first and a second terminal, and for example, the two terminals of the second end cap may be connected to either the first terminal or the second terminal of the first gate of the suppression module.
  • the input of the ECG can be connected to the second gate of the suppression module.
  • the first terminal of the first gate of the suppression module may be connected to the first output of the AC power source
  • the second terminal of the first gate of the suppression module may be connected to the two shorted terminals of the second end cap, and the two shorted terminals of the second end cap can be connected to the second output of the AC power source.
  • the operating current of the electronic ballast which is filtered by the suppression module, does not flow through the second incandescent filament in this solution according to the invention, since the two terminals of the second end cap are together at a common potential.
  • This solution may be suitable, for example, for retrofitting conventional fluorescent tube systems.
  • the first and the second terminal of the first gate of the suppression module and the first and the second output of the AC power source can be interchanged as desired.
  • further electrical or electronic components may be located between the respective inputs and outputs, such as a throttle.
  • first terminal of the first gate of the suppression module may also be connected to the first output of the AC source, and the second terminal of the first gate of the suppression module may be connected to the second output of the AC source, and the two terminals of the second end cap may be connected either to the first terminal first output or connected to the second output of the AC power source.
  • An embodiment of the invention provides that the electronic ballast has a further connected to the two terminals of the second end cap connection.
  • the high-frequency circuit comprising the output of the electronic ballast and the two filament are decoupled from the low-frequency operating circuit of the electronic ballast.
  • This throttle may for example be part of a previously operated without electronic ballast low-frequency fluorescent tube system, which has been retrofitted by a ballast, such as by the first adapter element according to the invention.
  • An embodiment of the invention provides that the suppression module is integrated in the electronic ballast.
  • the output of the electronic ballast is thus located directly at the entrance of the electronic ballast, so that this unit comprising the suppression module and the electronic ballast can be considered as an integrated module.
  • this module can be placed in the first adapter element.
  • the object of the invention is further achieved by a method in which an input of the suppression module is connected to at least one of the two terminals of the second end cap.
  • the object according to the invention is furthermore achieved by an adapter element comprising a suppressor module placed between the at least two terminals, which are electrically and mechanically receivable in the first version, and the input of the electronic ballast.
  • This adapter element according to the invention is thus suitable for retrofitting conventional fluorescent tube systems, wherein this adapter element can also be used in combination with the second adapter element described above.
  • the adapter element according to the invention thus corresponds to the previously described a first adapter element comprising an electronic ballast and an interference suppression module, all the above-mentioned possible uses, embodiments and advantages of the first adapter element equally apply to this adapter element according to the invention.
  • FIG. 1 shows a conventional system for low frequency operation of a fluorescent tube 3.
  • This fluorescent tube 3 comprises a first end cap 1 having two terminals 1a, 1b, and a second end cap having two terminals 2a, 2b, to which two terminals 1a, 1b of the first end cap 1 is connected a first filament 1c and to the two terminals 2a, 2b of the second end cap 2, a second filament 2c is connected.
  • the terminals 1a, 1b of the first end cap 1 are formed as contact pins and can be inserted into the contact receptacles 6a, 6b of a first socket 6, and the terminals 2a, 2b of the second end cap 2 are also formed as contact pins and inserted into the contact receptacles 12a, 12b a second version 12.
  • the AC power source 11 having the two terminals 11a and 11b is connected in parallel with a series circuit including a reactor 10, the two Terminals 1a and 1b of the first end cap 1, a starter 7 and the two terminals 2a and 2b of the second end cap. 2
  • the low-frequency operation of the fluorescent tube 3 has the disadvantage of poor efficiency, a flickering light of the fluorescent tube and possibly a Netzbrummens.
  • FIG. 2 shows a known system for the high-frequency operation of a fluorescent tube 5.
  • an input 8a, 8b of an electronic ballast (ECG) 8 is fed with an alternating current filtered by an interference suppression module 20, so that the high-frequency voltage applied to the output 8c, 8d via the Version 6 is applied to the filament 1c 'in the first end cap 1' of the fluorescent tube 5.
  • ECG electronic ballast
  • the suppression module 20 is a two-port with a first port 20a, 20b for feeding an alternating current generated by the AC power source 11, wherein the second gate 20c, 20d of the suppression module parallel to the series circuit consisting of inductor 10, input (8a, 8b) of the electronic ballast 8 and the two terminals 2a ', 2b' of the second end cap 2 'of the fluorescent tube 5 is connected.
  • the suppression module 20 is parallel to the o.g. Series connection and connected in parallel with the AC source.
  • FIG. 3 shows a first embodiment of the system according to the invention for the high-frequency operation of a fluorescent tube 5, preferably a T-5 Fluorescent tube, which is also preferably used in the following embodiments, this first embodiment is particularly suitable for retrofitting an existing low-frequency operated fluorescent tube system, such as shown in Figure 1, is suitable.
  • a fluorescent tube 5 of lesser length e.g. a T-5 tube as the previously used fluorescent tube 3, e.g. a T-8 or T-12 tube
  • the fluorescent tube 5 of shorter length may have narrower contact distances between the two terminals 1a ', 1b', 2a ', 2b' on the first and second end caps 1 ', 2', respectively as the contact distances between the two terminals 1a, 1b, 2a, 2b at the respective first and second end cap 1, 2 of the luminescent tube 3 with a shorter length.
  • a first adapter element 9 comprising an electronic ballast 8 and an interference suppression module 20 is located between the first end cap 1 'and the first socket 6, and a second adapter element 13 is located between the second end cap 2' and the second socket 12.
  • the first adapter element 9 and the second adapter element 13 hereby equalize the difference in length between the fluorescent tube 5 used in FIG. 2 and the fluorescent tube 3 used in FIG.
  • the first adapter element 9 comprises two contact pins 9a and 9b, which fit into the contact receptacles 6a and 6b of the first socket 6, so that the first adapter element 9 can be inserted into the first socket 6 for mechanical and electrical connection. Furthermore, the first adapter element 9 has two contact receptacles 9c and 9d into which a fluorescent tube 5 with its terminals 1a 'and 1b' located at the first end cap 1 ', which are formed as contact pins, can be inserted for mechanical and electrical connection.
  • the second adapter element 13 comprises two contact pins 13c and 13d, which fit into the contact receptacles 12a and 12a of the second socket 12, so that the second adapter element 13 can be inserted into the second socket 12 for mechanical and electrical connection. Furthermore, the second adapter element 13 has two contact receptacles 13a and 13b into which a fluorescent tube 5 with its terminals 2c 'and 2b' located on the second end cap 2 ', which are formed as contact pins, can be inserted for mechanical and electrical connection.
  • the two terminals 2a 'and 2b' of the second end cap 2 'of the fluorescent tube 5 are put together to a substantially common potential. This is done in this first embodiment in that the contact receptacles 13a and 13b of the second adapter element are short-circuited by an electrical connection 14.
  • the input 8a, 8b of the ECG 8 located in the first adapter element 9 is connected to the second port 20c, 20d of the suppression module 20, and the first port 20a, 20b of the suppression module 20 is connected to the contact receivers 6a and 6b via the contact pins 9a and 9b connected to the first version, so that the electronic ballast 8 via the suppression module 20 from the AC power source 11 with an alternating current, in called the following operating current, is fed.
  • the operating current flows through the choke 7, past the short-circuited starter 10, through the second socket 12 and the short circuit 14a in the second adapter element 13. Thus, the operating current does not flow over the second filament 2c '.
  • the first gate 20a, 20b of the suppression module 20 can be considered as an input, since the alternating current is fed here, furthermore, the second port 20c, 20d of the suppression module 20 can be considered as an output, since here the AC current for the ECG is output.
  • the two shorted terminals 2a 'and 2b' of the second end cap 2 ' are connected to the circuit comprising the input 20a, 20b of the noise suppression module 20 and the AC power source 11.
  • the electronic ballast heats the incandescent filament 1c 'and applies a high-frequency alternating voltage to the two terminals 1a', 1b 'of the first end cap 1' via the high-frequency output 8c, 8d.
  • the first incandescent filament 1c ' acts as a hot cathode and emits electrons which move in the direction of the second incandescent filament 2c' acting as the anode.
  • the second incandescent filament 2c' is also heated, and the second filament 2c 'also begins to emit electrons in the direction of the first incandescent filament 1c' due to the alternating voltage.
  • a heating of the second filament by a separate stream, such as the operating current is not required for the operation of the fluorescent tube 5 according to the invention.
  • the heating of the first filament is not needed after ignition.
  • the short circuit 14a of the first terminal 2a 'with the second terminal 2b' of the second end cap 2 does not necessarily have to be in the second adapter element, but can also take place, for example, in the second version 12 or elsewhere.
  • the two terminals 2a ', 2b' of the second end cap 2 ' are outside the electrical connection between the suppression module 20 and the input 8a, 8b of the electronic ballast 8, so that between the second port 20c, 20d of the suppression module 20 and the input 8a, 8b of the electronic ballast 8 none of the two terminals 2c ', 2d' of the second end cap 2 'of Fluorescent tube 5 is located, and the input 8a, 8b of the electronic ballast 8 is free from interference induced by the second filament 2c ', such as a high-frequency current, a shock, transient and periodic effects and the like, during operation of the fluorescent tube 5 of the second filament 2c 'and forwarded via at least one of the two terminals 2c', 2d 'of the second end cap 2', so that a trouble-free operation of the electronic ballast
  • the solution according to the invention has the advantage that interferences caused by the electronic ballast, which could get from the input of the electronic ballast into the connected alternating current source and thus into a connected alternating current network, are filtered away or suppressed by the suppression module, so that an electromagnetic radiation is reduced ,
  • Another advantage with regard to the electromagnetic compatibility is that, according to the invention, no operating current of the electronic ballast 8 can flow via the second incandescent filament 2c ', and thus no voltage drop can occur across the second incandescent filament 2c' acting as an ohmic resistance, so that that from the alternating current source 11 generated AC is not affected by the ohmic resistance of the second filament 2c 'and without the second filament 2c' to flow into the first port 20a, 20b of the suppression module 20 can be fed.
  • the full mains voltage applied whereby a proper operation of the suppression module 20 and / or the subsequently connected electronic ballast 8 can be ensured.
  • the N conductor can thus be connected to the first port 20a, 20b of the suppression module 20 via the connections 2a ', 2b' of the second end cap lying together at a common electrical potential.
  • the suppression module 20 and the electronic ballast 8 can be combined together in a unit 21 in terms of circuitry, so that this unit 21 represents an electronic ballast with an integrated suppression module.
  • this unit 21 represents an electronic ballast with an integrated suppression module.
  • the suppression module 20 can be integrated into the electronic ballast.
  • a low electrical resistance can optionally be connected between the two terminals 2a ', 2b' of the second end cap 2 '(not shown in FIG. 3).
  • This electrical resistance for example, be smaller than the ohmic resistance of the second filament 2c ', it may be, for example, less than 10 ohms.
  • This resistor may be placed in the second adapter element 13, or in the second version 12, 15, or at another location.
  • this low electrical resistance and the two terminals 2a ', 2b' of the second end cap 2 'laying on a common potential short circuit 14a which takes place for example in the second adapter element 13, but also in the second version 12, 15, omitted become.
  • the contact receptacles 9c, 9d of the first adapter element 9 may correspond to the contact receptacles 9b, 9a of the first version 6, as well as the contact receptacles 13a, 13b of the second adapter element 13 may correspond to the contact receptacles 12a, 12b of the second version 12, so that a fluorescent tube 5 with the same Endkappentyp as in the fluorescent tube 3 used in Figure 1 can be used.
  • the contact receptacles 9c, 9d and 13a, 13b of the first and second adapter elements 9, 12 can also differ from the contact receptacles 6a, 6b and 12a, 12b of the first and second holder 6, 12, so that the fluorescent tube 5 may have a different connection to the end caps 1 ', 2' in comparison to the fluorescent tube 3 used in the low-frequency system.
  • the contact distances of the fluorescent tube 3 used in the low-frequency system may differ from the contact distances of the high-frequency operated fluorescent tube 5, for example, the high-frequency operated fluorescent tube 5 have narrower contact distances.
  • first end cap type such as a T8 type fluorescent tube
  • a shorter fluorescent tube 5 having a second end cap type other than the first end cap type, such as a fluorescent tube of the type T5 can be easily replaced by a shorter fluorescent tube 5 having a second end cap type other than the first end cap type, such as a fluorescent tube of the type T5, using the first adapter element and the second adapter element replaced, so that the shorter fluorescent tube 5 now high-frequency and at the same time low-wear and thus life-prolonging can be operated without changes to the first version 6 and the second version 12 must be made.
  • the current flowing through the operating current of the electronic ballast 8 choke 10 acts as a high-frequency filter, the throttle 10 can also be removed. Furthermore, the starter 7 is bridged, since the electronic ballast 8 carries out the starting process of the fluorescent tube 5.
  • FIG. 4 A second embodiment of the system according to the invention is shown in FIG.
  • This second embodiment differs from the first embodiment in that the two terminals 2a 'and 2b' of the second end cap 2 'of the fluorescent tube 5 at the terminals of the second socket 12 by a short circuit 14b together on a be set common electrical potential, which the second adapter element 13 used in the system shown in Figure 3 is not needed.
  • the short circuit 14b shown in FIG. 4 can also take place in the socket 12.
  • This second embodiment is particularly suitable for upgrading a low-frequency system for driving a fluorescent tube, as shown for example in FIG. 1, by replacing the fluorescent tube 3 shown in FIG. 1 with a shorter fluorescent tube 5.
  • the ECG 8 and the suppression module 20 are between the first version 6 and the AC power source 11.
  • the ECG 8 and the suppression module 20 in a first version 6, the second version 12, the throttle 10 and the AC power source 11 comprehensive housing (not shown in Fig. 5) may be mounted.
  • this third embodiment can provide a retrofit solution of a system for high-frequency operation of a fluorescent tube already containing an ECG 8, in which by exchanging the previously used fluorescent tube with a new shorter fluorescent tube 5 and using the second adapter element 13 according to the invention, the system according to the invention for life-prolonging operation of a fluorescent tube is realized.
  • the second adapter element causing the short circuit 14 may also be formed so thinly (not shown in FIG. 4) that the previously used fluorescent tube can still be used, although the second adapter element between the second socket 12 and the second end cap 2 'of the fluorescent tube 5 is inserted.
  • this second adapter element may be a thin metal disk having two holes, so that this metal disk can slide onto the two contact pins 2a 'and 2b' of the second end cap 2 'and thereby short-circuit the terminals 2a' and 2b ', the contact pins 2a 'and 2b' can penetrate through the two holes of the metal disc in the contact receptacles 12a and 12b of the second version 12.
  • the throttle shown in Fig. 5 may be omitted, further, the AC power source 11 may also be located between the terminal 8b and the second end cap.
  • the second adapter element 13 may be omitted, for example, when the two outputs of the second socket 12 are short-circuited (as shown in FIG. 3), or when the two pins 12a and 12b in the second socket 12 are short-circuited.
  • FIG. 6 shows a fourth embodiment of the system according to the invention.
  • no adapter element is used, ie the fluorescent tube is directly in the first version 6 and the second version 15.
  • the second version 15 closes the two contact receptacles 15a and 15b short, so that the two terminals 2a 'and 2b' of the second end cap 2 'of the fluorescent tube 5 together on a common potential.
  • the second version 15 shown in FIG. 5 has only one connection 15d, which is connected to the one input 11a of the alternating current source 11, but this connection 15d may alternatively be connected to the second input 11b, or alternatively to one of the inputs 8a , 8b of the TOE.
  • the two shorted terminals 2a 'and 2b' are connected to the circuit comprising the AC power source 11 and the input 20a, 20b of the noise suppression module 20.
  • a choke may be located between the AC source 11 and the input 20a, 20b of the suppression module 20.
  • the electronic ballast 8 ' comprises a further terminal 8e', which is connected via the second socket 15 to the short-circuited terminals 2a ', 2b' of the second end cap 2 '.
  • the high-frequency current flowing through the fluorescent tube 5 is thus no longer conducted via the input of the electronic ballast, which is also used for the low-frequency operating current, but decoupled from the input 8a ', 8b' of the electronic ballast into the electronics of the electronic ballast.
  • the second socket 15 having only one terminal 15d shown in Figs. 6 and 7 can also be replaced by the second socket 12 having two terminals shown in Fig. 4, respectively, when either both terminals are short-circuited, e.g. in Fig. 4 with the short circuit 14b shown.
  • the short circuit can also be done in the version itself.
  • FIG. 8 illustrates an implementation possibility for the suppression module 20.
  • the suppression module 20 may be designed, for example, as a low-pass filter, wherein the two capacitors C 1 , C 2 and the two coils L 1 , L 2 are to be dimensioned accordingly.

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
EP06112398A 2006-04-07 2006-04-07 Système, procédé et adaptateur pour le fonctionnement de lampes fluorescentes Withdrawn EP1843647A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06112398A EP1843647A1 (fr) 2006-04-07 2006-04-07 Système, procédé et adaptateur pour le fonctionnement de lampes fluorescentes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06112398A EP1843647A1 (fr) 2006-04-07 2006-04-07 Système, procédé et adaptateur pour le fonctionnement de lampes fluorescentes

Publications (1)

Publication Number Publication Date
EP1843647A1 true EP1843647A1 (fr) 2007-10-10

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EP06112398A Withdrawn EP1843647A1 (fr) 2006-04-07 2006-04-07 Système, procédé et adaptateur pour le fonctionnement de lampes fluorescentes

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EP (1) EP1843647A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010139552A1 (fr) * 2009-06-04 2010-12-09 Osram Gesellschaft mit beschränkter Haftung Adaptateur de lampe fluorescente et procédé permettant de faire fonctionner une lampe fluorescente
FR2958088A1 (fr) * 2010-03-29 2011-09-30 Chaguiwo Support de conversion pour une lampe fluorescente

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5400241A (en) * 1992-11-26 1995-03-21 U.S. Philips Corporation High frequency discharge lamp
DE19900889A1 (de) * 1999-01-12 2000-07-13 Hiralal Shah Suresh Bausatz zum Umrüsten von Leuchten mit geraden, beidseitig gesockelten Leuchstofflampen, von induktivem auf elektronischen Betrieb
EP1095541A1 (fr) * 1998-10-01 2001-05-02 Inotec Gesellschaft für Verkaufsförderung, Innovation und Technik mbH Configuration de circuit destinee au fonctionnement a faible consommation d'energie d'un tube fluorescent
US6459215B1 (en) * 2000-08-11 2002-10-01 General Electric Company Integral lamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5400241A (en) * 1992-11-26 1995-03-21 U.S. Philips Corporation High frequency discharge lamp
EP1095541A1 (fr) * 1998-10-01 2001-05-02 Inotec Gesellschaft für Verkaufsförderung, Innovation und Technik mbH Configuration de circuit destinee au fonctionnement a faible consommation d'energie d'un tube fluorescent
EP1095541B1 (fr) 1998-10-01 2002-07-17 Future New Developments Limited Configuration de circuit destinee au fonctionnement a faible consommation d'energie d'un tube fluorescent
DE19900889A1 (de) * 1999-01-12 2000-07-13 Hiralal Shah Suresh Bausatz zum Umrüsten von Leuchten mit geraden, beidseitig gesockelten Leuchstofflampen, von induktivem auf elektronischen Betrieb
US6459215B1 (en) * 2000-08-11 2002-10-01 General Electric Company Integral lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010139552A1 (fr) * 2009-06-04 2010-12-09 Osram Gesellschaft mit beschränkter Haftung Adaptateur de lampe fluorescente et procédé permettant de faire fonctionner une lampe fluorescente
FR2958088A1 (fr) * 2010-03-29 2011-09-30 Chaguiwo Support de conversion pour une lampe fluorescente
EP2372847A1 (fr) * 2010-03-29 2011-10-05 Chaguiwo Support de conversion pour une lampe fluorescente

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