EP0534839B1 - Steuerung und Überwachungsverfahren für eine Beleuchtungseinrichtung - Google Patents

Steuerung und Überwachungsverfahren für eine Beleuchtungseinrichtung Download PDF

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Publication number
EP0534839B1
EP0534839B1 EP92402600A EP92402600A EP0534839B1 EP 0534839 B1 EP0534839 B1 EP 0534839B1 EP 92402600 A EP92402600 A EP 92402600A EP 92402600 A EP92402600 A EP 92402600A EP 0534839 B1 EP0534839 B1 EP 0534839B1
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EP
European Patent Office
Prior art keywords
control
supply
installation according
lighting
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.)
Expired - Lifetime
Application number
EP92402600A
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English (en)
French (fr)
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EP0534839A1 (de
Inventor
Christian Corn
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Electricite de France SA
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Electricite de France SA
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Publication of EP0534839A1 publication Critical patent/EP0534839A1/de
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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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/40—Controlling the intensity of light discontinuously
    • 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
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/21—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel
    • H05B47/22—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel with communication between the lamps and a central unit

Definitions

  • the present invention relates to lighting networks such as road lighting networks and more generally public lighting; for reasons of reliability and profitability, high-pressure metal vapor discharge lamps are used, such as mercury vapor or sodium vapor lamps.
  • the lamps are distributed in groups each supplied by a supply line and controlled by a common switch. There is no possibility of individually controlling each lamp nor of modulating its level of lighting.
  • This possibility of modulating the lighting level is particularly advantageous for lighting networks of communication channels. Indeed, in the middle of the night the traffic is reduced and the lighting can be reduced, which led, in certain cases to extinguish a lamp on two in full night.
  • the network voltage varies in significant proportions; for example, the voltage can increase by 10% during off-peak hours at night, which further increases the level of lighting at times when there is no need for strong lighting. It is therefore desirable to be able to control the lighting level of the lamps.
  • monitoring a public lighting network requires a "tour" during which the maintenance agents observe all the lamps which must be lit for this inspection. This requires either an operation at night, or switching on the network in broad daylight for its verification.
  • this examination can only detect defective lamps which no longer light up, but it did not provide information on the state of the lamp; in particular, it is desirable to detect the aging of the lamps, which decreases their level of lighting.
  • EP-A-0 319 440 describes a device for detecting malfunctions of lamps; each lamp is associated with a current detector acting on an oscillator when the consumed current drops below a certain level.
  • the oscillator the frequency of which is characteristic of the lamp in question, sends a signal by carrier current over the supply network to a supply cabinet which is connected by a telephone link to a central monitoring computer.
  • Such a device makes it possible to detect only the failure to light the lamps and it gives no indication as to their state. In particular, this device gives no indication as to the aging of the lamp.
  • Another disadvantage of current lighting installations is that they require a specific supply line provided with an electric energy meter in order to be able to know the electric consumption of the installation concerned.
  • the present invention proposes to provide a lighting installation in which each lamp can be controlled individually by controlling its lighting level and monitored automatically as regards its operating state, and which does not require a network of specific food.
  • the subject of the present invention is an electrical lighting installation comprising discharge lamps powered by a medium frequency oscillator which is provided with a starting circuit and which is controlled by a direct voltage supplied by a generator.
  • DC voltage comprising in particular a storage capacitor, the charge current of which is controlled by a self-inductance, and a switch connected in series with said storage capacitor, characterized in that it comprises, for each discharge lamp, a generator-igniter module which comprises the oscillator and the ignition circuit and which is arranged near the discharge lamp and a supply and control module which comprises the DC voltage generator, a circuit for controlling the oscillator and a circuit for detecting the average direct current delivered by said DC voltage generator and which is permanently connected to the power supply network, in that the generator-initiator module is connected to the power supply and control module by a direct current power transmission line and in that all the power and control modules are connected, by a current gate link ur on the electrical power network, to a lighting control and monitoring unit.
  • the DC voltage generator with storage capacitor and self-inductance switch provides a DC voltage free from interference which can therefore be transmitted by a simple two-wire line from the power supply and control module to the generator-initiator module.
  • This allows in particular to have the power supply and control module away from the generator-igniter module, in accessible places while the generator-igniter module is for example placed at the top of a candelabra.
  • the power supplied by the medium frequency oscillator which may for example be constituted by a current-controlled series push-pull oscillator, is controlled by the voltage supplied by the power supply and control module.
  • each lamp can be controlled individually by its power supply and control module.
  • the control and monitoring unit can therefore control and monitor each of the lamps in the installation separately.
  • This control and monitoring unit can be connected to a centralized control station by a switched telephone network. It can be placed in an electrical energy distribution station such as a medium voltage / low voltage station.
  • the power supply and control module is connected to the electrical energy network by means of a circuit for filtering disturbances from the network.
  • the lighting installation according to the invention does not require a specific supply line since each of the supply and control modules is directly connected permanently to the general electrical power network.
  • control circuit of the oscillator controls the DC voltage generator so that it provides several DC voltage levels which each correspond to a lamp lighting level.
  • the present invention also relates to a method for controlling the aforementioned installation, characterized in that, when a discharge lamp is started, the voltage supplied by the DC voltage generator is the predetermined voltage corresponding to the lighting level. the weakest.
  • This arrangement makes it possible to reduce the stresses on the discharge lamp and, consequently, to increase its service life.
  • the invention also relates to a method for monitoring a lamp of an installation of the aforementioned type, which is characterized in that, during the operation of the discharge lamp, the value indicated by the mean DC detector is compared with a setpoint corresponding to the chosen lighting level and in that, in the case where the value indicated by the detection circuit of the average direct current delivered exhibits a variation greater than a predetermined threshold with respect to the setpoint, the module power supply and control produces alarm information which can be transmitted to the lighting control and monitoring unit.
  • This alarm information warns the control and monitoring unit and, possibly, the centralized control station of the aging of the lamp in question.
  • the aforementioned comparison is carried out with a certain delay with respect to the instant of ordering the ignition, for example after about twenty minutes, so as to monitor the lamp in the absence of any transient phenomenon.
  • the pilot power supply module when the power supply and control module issues an order to start the discharge lamp, if the value indicated by the detection circuit of the average direct current delivered is less than a value of predetermined threshold, the pilot power supply module produces alarm information which can be transmitted to the control and monitoring unit.
  • FIG. 1 represents a lighting installation comprising high-pressure discharge lamps with metal vapor, for example sodium vapor lamps, only three of which, marked 10, 20 and 30, have been shown.
  • the lighting installation is supplied by an electrical energy network comprising for example a medium voltage-low voltage distribution station 1 comprising a transformer 2 disposed between a medium voltage line 3 and low voltage outlets 4.4 ′ and 4 ⁇ .
  • each lamp is supplied directly on the low voltage network, for example on the feeder 4, by means of a power supply and control module 11, respectively 21 and 31, which is permanently connected. on the low network tension 4 by a two-wire connection.
  • Each of the power supply and control modules comprises in particular a DC voltage generator which supplies, via a two-wire DC power supply line 12, respectively 22 and 32, a DC voltage to a generator module.
  • igniter 13, respectively 23 and 33 essentially comprising a medium-voltage oscillator controlled by the voltage supplied by the power supply and control module and supplying the lamp 10, respectively 20 and 30.
  • Each power supply and control module is connected by carrier current link on the low voltage network to a control and monitoring unit of the lighting installation 5 which is also permanently connected to the low voltage network and which is located at the start of the lighting network.
  • This control and monitoring unit 5 can for example be housed in a cabinet located in the vicinity of the distribution station 1.
  • This lighting control and monitoring unit is itself connected to a centralized control station 6 which is, for example, equipped with a computer 7 and interfaces 8, 8 'and 8 "each connected to a control unit.
  • the connection between the interface 8 and the control and monitoring unit 5 is carried out by means of a switched telephone network 9.
  • the connection between the control and monitoring unit 5 and the monitoring station centralized control 6 can also be carried out by a radio link or by a dedicated link.
  • FIG. 2 represents a lamp 10 with its supply assembly constituted by the supply and control module 11 and the generator-igniter module 13.
  • the latter essentially comprises a medium frequency oscillator 14 and a starting circuit 15 which are controlled by the direct voltage supplied by the two-wire line 12.
  • This DC voltage is supplied by a DC voltage generator 16 which is arranged in the power supply and control module 11, the output of which is constituted by the two-wire line 12.
  • the power and control module 11 is connected to the network 4 the voltage of which is sent to the generator 16 via a circuit 17 for protection against disturbances from the network, in particular the harmonic components.
  • This circuit 17 also includes a protection against overcurrents constituted for example by a fuse.
  • the power supply and control module 11 includes a circuit 18 for communication by carrier current and it is therefore also connected to the low voltage network 4.
  • This transmission circuit 18 is also connected to a conditioning interface 19.
  • This conditioning interface 19 manages the transmissions with the control and monitoring unit 5, it transmits the commands and the set values to a circuit 24 controlling the DC voltage generator 16 and it transmits the information provided by a circuit 25 of control and diagnosis at the control and monitoring unit 5.
  • This control and diagnosis circuit 25 essentially comprises a detector of the mean value of the direct current supplied by the generator 16 to the generator-initiator module 13 by the line 12.
  • the power supply and control module 11 also includes a circuit 26 for immunization against short cuts in the power supply network.
  • This immunization circuit is a safety circuit that blocks the operation of the storage capacitor charge circuit to eliminate the possible effects of a brief power outage.
  • the operation of the installation which has just been described is as follows; the lighting programs and instructions for each installation are developed in the centralized control station 6 and sent to each control and monitoring unit 5 which sends orders of the operating instructions to each of the lamps 10, 20 and 30; the orders are specific for each of the lamps and it is thus possible to modify the lighting as required; you can program the operation so that the lighting is maximum during peak hours and reduced in the middle of the night during off-peak hours.
  • the circuits used in the two modules make it possible to obtain a set power independently of the value of the network voltage without having to fear micro-cuts or voltage drops.
  • the setpoint power corresponds to the lowest level and, when the lamp is on, a new command is obtained to obtain the desired level of illumination.
  • the ignition order is deleted after a predetermined time.
  • the metering of the energy absorbed by the lighting installation is carried out directly in the centralized control station. In fact, there is no need for a counter since the different levels of illumination correspond to a predetermined power consumption and it suffices to know the operating program of a lamp to determine its consumption.
  • the voltage supplied to each of the lamps is precisely controlled to obtain a predetermined level of lighting; This results in energy savings, for example during off-peak hours. Being able to operate the lamps at reduced power significantly increases their lifespan, which further increases the profitability of the installation.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Selective Calling Equipment (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Claims (14)

  1. Elektrische Beleuchtungsanlage mit Entladungslampen (10, 20, 30), die durch einen Oszillator (14) mit mittlerer Frequenz gespeist werden, der mit einer Zündschaltung (15) versehen ist und der durch eine Gleichspannung angesteuert wird, die von einer Gleichspannungsquelle (16) geliefert wird, die insbesondere einen Speicherkondensator aufweist, dessen Ladestrom durch eine Selbstinduktivität und einen mit dem Speicherkondensator in Serie geschalteten Schalter gesteuert wird, dadurch gekennzeichnet, daß sie für jede Entladungslampe (10, 20, 30) ein Zündgeneratormodul (13, 23, 33), das den Oszillator (14) und die Zündschaltung (15) enthält und das in der Nähe der Entladungslampe angeordnet ist, und ein Versorgungs- und Steuermodul (11, 21, 31) aufweist, das die Gleichspannungsquelle (16), eine Befehlsschaltung (24) für den Oszillator und eine Schaltung (25) zur Messung des von der Gleichspannungsquelle (18) gelieferten mittleren Gleichstroms aufweist, welches Versorgungs- und Steuermodul (11, 21, 31) permanent auf ein elektrisches Versorgungsnetz (4) geschaltet ist, daß das Zündgeneratormodul (13, 23, 33) mit dem Versorgungs und Steuermodul (11, 21, 31) durch eine Gleichstrom-Energieübertragungsleitung (12, 22, 32) verbunden ist und daß sämtliche Versorgungs- und Steuermodule (11, 21, 31) über eine Trägerstromverbindung auf dem elektrischen Energienetz (4) mit einer Befehls- und Überwachungseinheit (5) für die Beleuchtung verbunden ist, die vor der Ausspeisung des Beleuchtungsnetzes angeordnet ist.
  2. Elektrische Beleuchtungsanlage nach Anspruch 1, dadurch gekennzeichnet, daß die Befehls- und Überwachungseinheit (5) für die Beleuchtung mit einer zentralen Befehlsstation (6) verbunden ist.
  3. Elektrische Beleuchtungsanlage nach Anspruch 2, dadurch gekennzeichnet, daß die Befehls- und Überwachungseinheit (5) für die Beleuchtung mit der zentralen Befehlsstation (6) durch ein kommutiertes Telefonnetz (9) verbunden ist.
  4. Elektrische Beleuchtungsanlage nach Anspruch 2, dadurch gekennzeichnet, daß die Befehls- und Überwachungseinheit (5) für die Beleuchtung in einem Schrank angeordnet ist, der in der Nähe der elektrischen Energieverteilungestation (1) angeordnet ist.
  5. Elektrische Beleuchtungsanlage nach Anspruch 1, dadurch gekennzeichnet, daß der Oszillator (14) ein stromgesteuerter Serien-Push-Pull-Oszillator ist.
  6. Elektrische Beleuchtungsanlage nach Anspruch 1, dadurch gekennzeichnet, daß das Versorgungs- und Steuermodul (11, 21, 31) über eine Schaltung (17) zum Ausfiltern von Netzstörungen auf das elektrische Energienetz geschaltet ist.
  7. Elektrische Beleuchtungsanlage nach Anspruch 1, dadurch gekennzeichnet, daß die Oszillator-Steuerschaltung (24) die Gleichspannungsquelle (18) so ansteuert, daß diese mehrere Gleichspannungspegel liefert, die jeweils einer Helligkeitsstufe der durch das genannte Versorgungs- und Steuermodul (11, 21, 31) gesteuerten Entladungslampe entsprechen.
  8. Elektrische Beleuchtungsanlage nach Anspruch 7, dadurch gekennzeichnet, daß drei Helligkeitsstufen von 50 %, 75 % und 100 % vorgesehen sind.
  9. Elektrische Beleuchtungsanlage nach Anspruch 1, bei der die Entladungslampen (10, 20, 30) Lichtmasten sind, dadurch gekennzeichnet, daß das Versorgungs- und Steuermodul (13, 23, 33) im Lichtmast angeordnet ist und daß das Zündgeneratormodul (11, 21, 31) im Inneren der Leuchte angeordnet ist.
  10. Elektrische Beleuchtungsanlage nach Anspruch 7, dadurch gekennzeichnet, daß die bei der Zündung einer der Entladungslampen (10, 20, 30) von der Gleichspannungsquelle (16) gelieferte Spannung die vorgegebene Spannung ist, die der geringsten Helligkeitsstufe entspricht.
  11. Verfahren zur Überwachung einer Entladungslampe einer elektrischen Beleuchtungsanlage nach Anspruch 1, dadurch gekennzeichnet, daß bei dem Betrieb der Entladungslampe der von der Meßeinrichtung (25) zur Messung des mittleren Gleichstroms angegebene Wert mit einem Einstellwert verglichen wird, der der ausgewählten Helligkeitsstufe entspricht, und daß, wenn der von der Meßschaltung (25) zur Messung des mittleren Gleichstroms angegebene Wert eine Abweichung um mehr als einen vorgegebenen Schwellenwert in bezug auf den Einstellwert aufweist, das Versorgungs- und Steuermodul (11, 21, 31) ein Alarmsignal erzeugt, das an die Befehls- und Überwachungseinheit (5) für die Beleuchtung übermittelt werden kann.
  12. Verfahren zur Überwachung einer Entladungslampe einer elektrischen Beleuchtungsanlage nach Anspruch 11, dadurch gekennzeichnet, daß, wenn das Versorgungs- und Steuermodul (11, 21, 31) einen Befehl zum Zünden der Entladungslampe ausgibt, sofern der von der Meßschaltung (25) zur Messung des mittleren Gleichstroms gelieferte Wert kleiner als ein vorgegebener Schwellenwert ist, das Versorgungs- und Steuermodul (11, 21, 31) ein Alarmsignal erzeugt, daß an die Befehls- und Überwachungseinheit (5) übermittelt werden kann.
  13. Verfahren zur Überwachung einer Entladungslampe einer elektrischen Beleuchtungsanlage nach Anspruch 11, dadurch gekennzeichnet, daß der Vergleich mit einer gewissen Verzögerung in bezug auf den Zeitpunkt des Zündbefehls vorgenommen wird.
  14. Verfahren zur Überwachung einer Entladungslampe einer elektrischen Beleuchtungsanlage nach Anspruch 12, dadurch gekennzeichnet, daß, wenn die Entladungslampe (10, 20, 30) nicht zündet, der Zündbefehl bis zum Ablauf einer vorgegebenen Zeit unterdrückt wird.
EP92402600A 1991-09-23 1992-09-22 Steuerung und Überwachungsverfahren für eine Beleuchtungseinrichtung Expired - Lifetime EP0534839B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9111688A FR2681754B1 (fr) 1991-09-23 1991-09-23 Installation d'eclairage electrique et procede de commande et de surveillance de ladite installation.
FR9111688 1991-09-23

Publications (2)

Publication Number Publication Date
EP0534839A1 EP0534839A1 (de) 1993-03-31
EP0534839B1 true EP0534839B1 (de) 1996-12-18

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ID=9417184

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EP92402600A Expired - Lifetime EP0534839B1 (de) 1991-09-23 1992-09-22 Steuerung und Überwachungsverfahren für eine Beleuchtungseinrichtung

Country Status (7)

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EP (1) EP0534839B1 (de)
AT (1) ATE146641T1 (de)
DE (1) DE69216031T2 (de)
DK (1) DK0534839T3 (de)
ES (1) ES2097300T3 (de)
FR (1) FR2681754B1 (de)
GR (1) GR3022588T3 (de)

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Publication number Priority date Publication date Assignee Title
US5572438A (en) * 1995-01-05 1996-11-05 Teco Energy Management Services Engery management and building automation system
FR2734118B1 (fr) * 1995-05-12 1997-07-11 Duranton Rene Dispositif pour la commande et la surveillance a distance d'une lampe a decharge
US5924486A (en) 1997-10-29 1999-07-20 Tecom, Inc. Environmental condition control and energy management system and method
US6922558B2 (en) * 1998-03-06 2005-07-26 Don Delp Integrated building control and information system with wireless networking
DE19925597C2 (de) * 1999-06-04 2003-09-25 Eberhard Issendorff System zur Überwachung von Außenleuchten sowie Datenmodul mit einem Überwachungssensor
DE10034443A1 (de) * 2000-07-15 2002-01-24 Bayerische Motoren Werke Ag Vorrichtung und Verfahren zur Steuerung und Diagnose von Lampen in Kraftfahrzeugen
GB2372160B (en) * 2001-02-09 2003-09-10 Larry Taylor Street lighting management system
DE10146191A1 (de) * 2001-09-17 2003-04-10 Ackermann Albert Gmbh Co Verfahren zur Leuchtmittelüberwachung von Lichtrufsystemen und Lichtrufsystem
CA2480551A1 (en) 2002-03-28 2003-10-09 Robertshaw Controls Company Energy management system and method
EP1657967A1 (de) * 2004-11-12 2006-05-17 Koninklijke KPN N.V. Filter mit Sicherung zum Einsatz in einem Lichtmast

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE3212339A1 (de) * 1982-03-12 1983-09-22 Manfred 4350 Recklinghausen Frankauer Beleuchtungsanlage, insbesondere fuer den einsatz im bergbau untertage
US4558262A (en) * 1983-03-09 1985-12-10 Lutron Electronics Co., Inc. Load switching arrangement for gas discharge lamp circuit
DE3524681A1 (de) * 1985-07-11 1987-01-22 Trilux Lenze Gmbh & Co Kg Dimmerschaltung fuer ein elektronisches leuchtstofflampen-vorschaltgeraet
DE3521164A1 (de) * 1985-06-13 1986-12-18 CEAG Licht- und Stromversorgungstechnik GmbH, 6800 Mannheim Ueberwachungseinrichtung
FR2624335B1 (fr) * 1987-12-04 1990-03-23 Finzel Jean Luc Ensemble de detection et de signalisation selectives de defauts de fonctionnement d'unites eclairantes dans un reseau d'eclairage
GB2222245A (en) * 1988-07-27 1990-02-28 Galvanic Devices Limited Testing lighting equipment

Also Published As

Publication number Publication date
ES2097300T3 (es) 1997-04-01
DE69216031T2 (de) 1997-04-10
FR2681754B1 (fr) 1993-12-24
DE69216031D1 (de) 1997-01-30
FR2681754A1 (fr) 1993-03-26
EP0534839A1 (de) 1993-03-31
DK0534839T3 (da) 1997-06-09
ATE146641T1 (de) 1997-01-15
GR3022588T3 (en) 1997-05-31

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