EP2271186A1 - Appareil pour compenser la dégradation d'émission de lampes, en particulier des lampes de bronzage à UV et similaires - Google Patents

Appareil pour compenser la dégradation d'émission de lampes, en particulier des lampes de bronzage à UV et similaires Download PDF

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Publication number
EP2271186A1
EP2271186A1 EP10165575A EP10165575A EP2271186A1 EP 2271186 A1 EP2271186 A1 EP 2271186A1 EP 10165575 A EP10165575 A EP 10165575A EP 10165575 A EP10165575 A EP 10165575A EP 2271186 A1 EP2271186 A1 EP 2271186A1
Authority
EP
European Patent Office
Prior art keywords
power
lamp
lamps
accumulated time
information
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Withdrawn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
EP10165575A
Other languages
German (de)
English (en)
Inventor
Gian Mario Ferruccio Bonavia
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.)
Sportarredo SpA
Original Assignee
Sportarredo SpA
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 Sportarredo SpA filed Critical Sportarredo SpA
Publication of EP2271186A1 publication Critical patent/EP2271186A1/fr
Withdrawn legal-status Critical Current

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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
    • H05B41/26—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

Definitions

  • the present invention relates to an apparatus for compensating for the emission decay of lamps, particularly for ultraviolet tanning lamps and the like.
  • One type of power supply that is structurally simple but which offers low performance levels comprises a simple inductor wound on a core made of ferromagnetic material, which is adapted to power the lamps according to the current required by such lamps.
  • This type of power supply is cumbersome and heavy, has scant energy efficiency and does not allow any modulation of the supply power of the lamps.
  • the ability to modulate the supply power of the lamps is in fact an aim that is often pursued by manufacturers of tanning devices, in order to compensate for their UV ray emission decay by supplying such lamps with increasing power throughout their useful life.
  • This type of power supply which is actuated by a provided control program, supplies the lamps to which it is connected with continuously increasing power throughout the accumulated time of their activity.
  • Power supplies of this type known today are generally powered with a three-phase voltage of 400V.
  • Such power supplies which are structurally complex, are connected to groups of lamps so that in the event of a malfunction or failure the entire group of lamps powered by such power supplies has to be deactivated, and possibly even the entire device that comprises them.
  • the aim of the present invention is to provide an apparatus for compensating for the emission decay of lamps, particularly for ultraviolet tanning lamps and the like, that is structurally simple so that it can be made at low cost.
  • an object of the invention is to provide an apparatus for compensating for the emission decay of lamps, which, even in the event of a malfunction, still ensures an effective functioning of the tanning machine in which it is installed.
  • Another object of the invention is to provide a compensation apparatus that can be easily powered with single-phase electric current taken from the mains.
  • an apparatus for compensating for the emission decay of lamps, particularly for ultraviolet tanning lamps and the like characterized in that it comprises
  • the reference numeral 10 generally designates an apparatus for compensating for the emission decay of lamps, particularly for ultraviolet tanning lamps and the like, that comprises
  • the modulation device 11 can be connected to more than one lamp, as well as the compensation apparatus, according to the invention, can comprise only one modulation device, or indeed it may comprise more than three such devices and, correspondingly, more than one control module.
  • control modules are connected to a logging device that is common to all such modules.
  • an embodiment, which is preferred but not exclusive or limiting, of a compensation apparatus according to the invention has a control module that is functionally connected to a logging device that is integrated with the means for controlling the other functionalities of a tanning device, a plurality of modulation devices being functionally connected to such control module and to one or two lamps each, in order to drive them.
  • control module 15 comprises a processor 16 for the accumulated time information which is adapted to provide, for driving the modulation devices 11, information related to a predefined supply power of the lamp 12, such predefined power information being a stepwise function of such accumulated time information, as will be explained in more detail hereinafter.
  • Each modulation device 11 conveniently comprises
  • each modulation device 11 also comprises a device 19 for processing such predefined power information which is adapted to process it into information on the frequency value of such square wave.
  • Such processing device 19 is connected to the conversion circuit 18 to set the frequency of such square wave equal to the frequency value contained in such frequency value information.
  • each modulation device 11 is conveniently equipped with
  • the processor 16 comprises a pulse-width modulation (PWM) device that is functionally connected to the processing device 19 in order to transmit thereto such predefined power information.
  • PWM pulse-width modulation
  • FIG. 2 shows, in the form of a diagram, an example of such stepwise function.
  • stepwise function conveniently presents values of such predefined power that are equal to a percentage of a rated power of the lamp 12.
  • the logging device 14 computes its accumulated operating time.
  • the control module transmits such predefined power information, corresponding to the second step B, to the modulation devices 11, so as to drive the passing of the supply power of the lamp 12 from the value corresponding to the first step A to the value corresponding to the second step B.
  • the processing device 19 uses it to calculate the corresponding frequency value information which it then transmits to the conversion circuit 18.
  • the conversion circuit 18 converts the direct current that it receives, through the stabilisation means 21, from the rectifier 17, into a square wave impulse current with the frequency value defined by such frequency value information.
  • the compensation apparatus 10 modulates the supply power of the lamp 12 according to corresponding power steps C and D.
  • the apparatus makes it possible to compensate for its UV ray emission decay.
  • the apparatus according to the invention fully achieves the intended aim and objects, providing an apparatus for compensating for the emission decay of lamps, particularly for ultraviolet tanning lamps and the like, that is structurally simple so that it can be made at low cost.
  • a compensation apparatus even in the event of a malfunction in a modulation device, ensures an effective operation of the tanning machine in which it is installed.
  • the modulation device is in fact connected to only one lamp, or to a restricted number of lamps, and therefore in the event of a malfunction it influences the operation of these lamps only, and the other lamps can operate correctly and independently.
  • a compensation device can be powered with single-phase electric current at mains voltage, to which it can be directly connected, to the full advantage of its flexibility and ease of use.

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  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Radiation-Therapy Devices (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Coloring (AREA)
EP10165575A 2009-06-17 2010-06-10 Appareil pour compenser la dégradation d'émission de lampes, en particulier des lampes de bronzage à UV et similaires Withdrawn EP2271186A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000175A ITPD20090175A1 (it) 2009-06-17 2009-06-17 Apparecchio di compensazione del decadimento di emissione di lampade, particolarmente per lampade abbronzanti a ultravioletti e simili

Publications (1)

Publication Number Publication Date
EP2271186A1 true EP2271186A1 (fr) 2011-01-05

Family

ID=41625196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10165575A Withdrawn EP2271186A1 (fr) 2009-06-17 2010-06-10 Appareil pour compenser la dégradation d'émission de lampes, en particulier des lampes de bronzage à UV et similaires

Country Status (2)

Country Link
EP (1) EP2271186A1 (fr)
IT (1) ITPD20090175A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20011572U1 (de) * 2000-06-26 2001-03-22 Günther, Ralf-Peter, 07546 Gera Intelligentes elektronisches Vorschaltgerät mit interner automatischer Anpassung der Lampenlichtleistungsabgabe in Abhängigkeit von der Lampenlebensdauer und Alterung
US20070075650A1 (en) * 2005-09-30 2007-04-05 Toshiba Lighting & Technology Corporation Fluorescent lamp lighting apparatus and lighting control system
US20080258637A1 (en) * 2007-04-20 2008-10-23 Shun Kei Leung Light emitting element driver and control method therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20011572U1 (de) * 2000-06-26 2001-03-22 Günther, Ralf-Peter, 07546 Gera Intelligentes elektronisches Vorschaltgerät mit interner automatischer Anpassung der Lampenlichtleistungsabgabe in Abhängigkeit von der Lampenlebensdauer und Alterung
US20070075650A1 (en) * 2005-09-30 2007-04-05 Toshiba Lighting & Technology Corporation Fluorescent lamp lighting apparatus and lighting control system
US20080258637A1 (en) * 2007-04-20 2008-10-23 Shun Kei Leung Light emitting element driver and control method therefor

Also Published As

Publication number Publication date
ITPD20090175A1 (it) 2010-12-18

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