EP2656696A1 - Analyse de la tension d'alimentation des ballasts de luminaires - Google Patents

Analyse de la tension d'alimentation des ballasts de luminaires

Info

Publication number
EP2656696A1
EP2656696A1 EP11815664.5A EP11815664A EP2656696A1 EP 2656696 A1 EP2656696 A1 EP 2656696A1 EP 11815664 A EP11815664 A EP 11815664A EP 2656696 A1 EP2656696 A1 EP 2656696A1
Authority
EP
European Patent Office
Prior art keywords
voltage
circuit
mains
components
analysis circuit
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
Application number
EP11815664.5A
Other languages
German (de)
English (en)
Other versions
EP2656696B1 (fr
Inventor
Christian Nesensohn
Christoph VONACH
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.)
Tridonic GmbH and Co KG
Original Assignee
Tridonic GmbH and Co KG
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 Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Publication of EP2656696A1 publication Critical patent/EP2656696A1/fr
Application granted granted Critical
Publication of EP2656696B1 publication Critical patent/EP2656696B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/185—Controlling the light source by remote control via power line carrier transmission

Definitions

  • From EP 0 939 476 B1 is a device with a bridge rectifier, which is turned on in a first state of an emergency operation in a safety power supply branch.
  • the device includes switching elements that connect certain intended only for emergency lights only with the voltage applied to the input supply voltage when the supply voltage is a constant or only positive half-waves existing DC voltage, but not if the supply voltage is an AC voltage. A precise differentiation of different supply voltages in the DC and AC voltage range is not possible.
  • DE 10 2007 040 555 A1 discloses a method and a circuit for identifying the type of voltage Vmains, which is present in two of three different temporal voltage waveforms.
  • the circuit includes a bridge rectifier, from which two measuring circuits emanate, with positive current components in one measuring circuit and negative current components in the other flow.
  • the identification of the type of applied voltage is performed by an evaluation circuit part.
  • the invention is based on DE 10 2007 040 555 AI and further develops this to the effect that an analysis circuit is provided, which further the currents of the two measuring circuits from DE 10 2007 040 555 AI, for example, to determine the desired parameters of the applied voltage evaluates and analyzes.
  • an analysis circuit is provided, which further the currents of the two measuring circuits from DE 10 2007 040 555 AI, for example, to determine the desired parameters of the applied voltage evaluates and analyzes.
  • the invention provides a ballast having separate measurement circuits for decomposing a voltage rectified by a rectifying means into a positive and a negative voltage component, the voltage being e.g. As an AC voltage, as a pulsating DC voltage or constant DC voltage may be present, an evaluation circuit which evaluates the voltage components of the two measuring circuits for identifying the type of voltage applied, and an analysis circuit which analyzes the voltage components via an AD converter, and further features the voltage is calculated, eg presence of an overvoltage, in particular by reverse polarity, an amplitude value, an average value of the voltage and / or an information modulated onto the voltage.
  • an AC voltage as a pulsating DC voltage or constant DC voltage may be present
  • an evaluation circuit which evaluates the voltage components of the two measuring circuits for identifying the type of voltage applied
  • an analysis circuit which analyzes the voltage components via an AD converter, and further features the voltage is calculated, eg presence of an overvoltage, in particular by reverse polarity, an amplitude value, an average value of
  • the AD converter may be adaptive and may dictate a time window for measuring the voltage components based on a frequency of the voltage.
  • the factors may depend on whether clamping is provided.
  • the analysis circuit can determine the zero crossings of the voltage.
  • At least one threshold value may be provided in the analysis circuit and the analysis circuit may detect the applied voltage based on its behavior with respect to the at least one threshold value.
  • the invention provides a circuit for analyzing a voltage, in particular supplied to a ballast supply voltage, which in at least two of at least three different time courses, such. B.
  • the invention provides a method of analyzing a voltage that at least in two of at least three different time courses, such. B. as AC voltage, as a pulsating DC voltage or as a constant DC voltage, wherein the present voltage is rectified, such that it is decomposed into a positive and a negative voltage component, that the two voltage components are used as voltage sources for two measuring circuits, and that the currents in the two measuring circuits are evaluated to identify the type of voltage present, wherein an analysis circuit via an AD converter the
  • Voltage components analyzed, and other features of the voltage calculated, e.g. presence of an overvoltage, in particular by reverse polarity, an amplitude value, an average value of the voltage and / or an information modulated onto the voltage.
  • Fig. 1 shows a circuit diagram of a circuit according to
  • Fig. 2 shows voltage waveforms to individual
  • FIG. 3 shows a circuit diagram of a circuit according to
  • Fig. 4 illustrates various factors for
  • Fig. 5 illustrates factors for calculation for
  • Figs. 6-10 show voltage curves
  • the supply voltage ma in s to be evaluated is applied to the input of the circuit, which is part of an electronic ballast (ECG). It can be present as an alternating voltage with successive half-waves of different polarity, as a pulsating direct voltage with successive half-waves of the same polarity, as a constant direct voltage (positive / negative) or as a zero voltage (no voltage).
  • ECG electronic ballast
  • the circuit contains two measuring circuits Ml and M2.
  • the first measuring circuit Ml is shown in dash-dotted lines; the second measuring circuit M2 is shown in dashed lines.
  • both currents flow - as the arrows indicate - through the series resistor R3 and the measuring resistor R4 in the same direction.
  • the resistance values of the separate resistors R1 and R2 are chosen differently.
  • the currents of the two measuring circuits Ml and M2 are different, because the resistor Rl belongs only to the measuring circuit Ml and the resistor R2 only to the measuring circuit M2.
  • the voltage drop across the measuring resistor R4 is evaluated by an evaluation circuit comprising a suppression capacitor C2 and two comparators K1 and K2.
  • the voltage dropping across the measuring resistor R4 is denoted V ac / d c.
  • the comparator 1 on the one hand, receives the measuring voltage drop across R4 and, on the other hand, the voltage V ref / high as a threshold value.
  • the comparator K2 is likewise supplied with the measuring voltage V ac / dc which drops across the measuring resistor R4 and, to this end, the voltage V re f / iow as the threshold value.
  • the supply voltage V ma i ns consists of positive and negative half-circuits.
  • the measuring resistor R4 thereby drops a voltage consisting of positive half-waves, alternately from those with higher and those with lower amplitude.
  • the higher amplitude halfwaves are indicative of the current in the second sense circuit M1, while the lower amplitude halfwaves are indicative of the current in the first sense M2.
  • the evaluation of the voltage profile in the two comparators K1 and K2 takes place in that the comparator K2 with the lower threshold value V ref / i ow at its output generates a pulse train that corresponds to that of the network half-waves.
  • the comparator K1 having the higher threshold value V ref / h i gh only the half-waves of the higher amplitude can cause a response, so that only every second half-wave, and that with the higher amplitude, produces an output pulse.
  • Section B of Fig. 2 (top) now shows a supply voltage V mains , which consists only of positive network half-waves.
  • V mains Such a supply voltage is generated for example by a bridge rectifier.
  • the only positive power half-waves cause only in the measuring circuit Ml with the larger resistance Rl a current flows, due to both half-waves. In the measuring circuit M2, however, no current flows.
  • the measuring voltage drop across the measuring resistor R4 is shown in section B of FIG. 2 below.
  • pulses occur at a pulse repetition frequency of 100 Hz. This voltage pattern is characteristic for the supply voltage V ma ins shown in section B of FIG. 2 (top).
  • the supply voltage V mains consists of a constant positive DC voltage. According to section D of FIG. 2 (below), this results in a constant voltage drop ac / dc at the measuring resistor R4. This is higher than the two threshold values Vref / iow and V re f / high for the comparators K1 and K2. Accordingly, a constant DC voltage occurs at the output of both comparators. The two DC voltages are the same. This voltage pattern is therefore characteristic of the supply voltage V ma i ns shown in section D of FIG. 2 (top).
  • Section E of Fig. 2 (top) shows the case that the supply voltage is a negative constant DC voltage V m ains. According to section E of FIG. 2 (below), this results in a voltage drop V ac / dc across the measuring resistor R4, which voltage is also a constant DC voltage. This is lower than the higher threshold V re f / hign for the comparator Kl, but higher than the lower threshold V re fi ow for the comparator K2. This has the consequence that at the output of the comparator K2 a constant DC voltage occurs, while no voltage occurs at the output of the comparator Kl. This voltage pattern is accordingly indicative of the supply voltage V ma i ns shown in section E of FIG. 2 (top) -
  • the comparators of Fig. 1 are replaced by an evaluation circuit, with which the different supply voltages can be distinguished from each other. Their structure may differ from the comparator arrangement described with reference to FIG. 1.
  • the voltages can also be determined by using a ⁇ C or an ASIC.
  • the evaluation circuit can distinguish the different voltages V mains and can generate corresponding output signals.
  • the evaluation circuit and the analysis circuit can also be realized by a ⁇ or an ASIC.
  • the AD converter may be an adaptive AD converter for which a dynamic time window for the measurement / conversion is determined. For example, the zero crossings of the voltage are determined, whereby the frequency of the voltage V ma ins can be determined. Based on this, a time window for a signal measurement can be determined. Although the signal could also be measured in a fixed time window. However, this would make the measurement more inaccurate.
  • the invention proposes to measure the voltage V mains or its frequency via the AD converter, for example over a period of the voltage V mains . The integrated value then corresponds to the voltage value of the voltage V ma i ns -
  • FIG. 4 is an example of an AC voltage (AC) shown how a clamping of the positive half-wave (clamping of post halfwave), the negative half-wave (clamping of neg. Halfwave) and a full-clamping (filling clamping) effect. If the circuit is designed with a clamp, this must be in the calculation Be considered. The calculation can also be done with a look-up table.
  • AC AC voltage
  • the RMS value (root mean square value / rms value) of, for example, the AC supply voltage can also be determined in order to set parameters in the operating device, for example the operation of the PFC circuit supplied by the rectified AC voltage.
  • the capacitor C2a can also be dimensioned larger than the capacitor C2 of FIG. 1, which is used in the prior art for RF filtering of the applied signal and is dimensioned accordingly.
  • the inventively provided capacitor C2a can thus be used eg for the integration of the applied signal.
  • One way to connect the measurement or analysis of the voltage with the startup is the following: The analysis can be determined whether the amplitude of the applied voltage V mains is sufficiently high to start to carry out. In particular, the startup is not performed when it is to be expected due to the amplitude of the voltage V mains that, for example, starting of the power components such as the half-bridge inverter would overstrain the applied voltage V mains .
  • Fig. 10 shows a behavior for a negative rectified AC voltage V mains .
  • the measuring path according to the invention now yields the shown V ac / dc signal always above the detection threshold ESI. Thus no threshold is crossed (no toggle).
  • the position relative to the detection thresholds ESI, ES2 is then particularly indicative of the negatively rectified AC voltage.
  • Fig. 10 shows an exemplary behavior at a negatively rectified AC voltage V mains of 170V. Higher voltages shift the voltage V ma in s only further beyond the detection threshold ESI.
  • no mains is understood to mean that the voltage V ma nns does not have an adequate amplitude, or but in fact no voltage V mains is present. If voltage V mains is not present, a signal can still result in this path due to energy stored in the capacitor, which, as stated, will be significantly below the evaluation threshold.
  • the ballast can set parameters / operating parameters that comply with local regulations.

Landscapes

  • Rectifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

L'invention concerne des ballasts pour luminaires, avec des circuits de mesure distincts (M1, M2) afin de décomposer une tension (Vmains) redressée par un moyen de redressement en une composante de tension positive et une composante de tension négative, la tension (Vmains) pouvant être par exemple une tension alternative, une tension continue pulsée ou une tension continue constante, avec un circuit d'exploitation qui analyse les composantes de tension (Vac/dc) des deux circuits de mesure (M1, M2) pour identifier la nature de la tension appliquée et avec un circuit d'analyse qui analyse les composantes de tension (Vac/dc) à l'aide d'un convertisseur AN et calcule d'autres caractéristiques de la tension (Vsecteur), par exemple la présence d'une surtension, en particulier à cause d'une erreur de polarité, une valeur d'amplitude, une valeur moyenne de la tension (Vsecteur) et/ou une information placée par modulation sur la tension.
EP11815664.5A 2010-12-22 2011-12-21 Analyse de la tension d'alimentation des ballasts de luminaires Active EP2656696B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010063992A DE102010063992A1 (de) 2010-12-22 2010-12-22 Auswertung der Versorgungsspannung von Betriebsgeräten für Leuchtmittel
PCT/AT2011/000505 WO2012083325A1 (fr) 2010-12-22 2011-12-21 Analyse de la tension d'alimentation des ballasts de luminaires

Publications (2)

Publication Number Publication Date
EP2656696A1 true EP2656696A1 (fr) 2013-10-30
EP2656696B1 EP2656696B1 (fr) 2018-08-08

Family

ID=45562004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11815664.5A Active EP2656696B1 (fr) 2010-12-22 2011-12-21 Analyse de la tension d'alimentation des ballasts de luminaires

Country Status (3)

Country Link
EP (1) EP2656696B1 (fr)
DE (1) DE102010063992A1 (fr)
WO (1) WO2012083325A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011086067A1 (de) 2011-11-10 2013-05-16 Tridonic Gmbh & Co. Kg Notlichtgerät mit konstanter Leistung
DE102015203950A1 (de) * 2015-03-05 2016-09-08 Tridonic Gmbh & Co Kg Betriebsgerät mit Erkennung des Wegfalls der Versorgungsspannung
WO2018104302A1 (fr) * 2016-12-07 2018-06-14 Tridonic Gmbh & Co Kg Procédé d'identification du type d'une tension d'alimentation fournie à un dispositif de commande de moyens d'éclairage
AT15941U1 (de) * 2017-04-28 2018-10-15 Tridonic Gmbh & Co Kg Betriebsgerät für ein Leuchtmittel mit Auswerteeinheit
DE102018115676A1 (de) 2018-06-28 2020-01-02 Tridonic Gmbh & Co Kg Anordnung mit einer Leuchte, insbesondere Notleuchte, mit Farbtemperaturwechsel in einem batteriegestützten Betriebsmodus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8401956A (nl) * 1984-06-20 1986-01-16 Oce Helioprint As Schakeling voor het ontsteken van een gasontladingsbuis.
FI97587C (fi) * 1994-09-09 1997-01-10 Seppo Laine Paikallisverkkojärjestely
DE19807844C5 (de) 1998-02-25 2006-08-03 Inotec Sicherheitstechnik Gmbh Einrichtung zur zentralen Notlichtversorgung
DE102007040555B4 (de) 2007-08-28 2019-01-31 Tridonic Gmbh & Co Kg Verfahren und Schaltung zum Identifizieren der Art einer Spannung, insbesondere der einem Betriebsgerät für Notlichtleuchten zugeführten Betriebsspannung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012083325A1 *

Also Published As

Publication number Publication date
DE102010063992A1 (de) 2012-06-28
WO2012083325A1 (fr) 2012-06-28
EP2656696B1 (fr) 2018-08-08

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