WO1992020959A1 - Procede et dispositif d'actionnement de l'eclairage d'une salle - Google Patents

Procede et dispositif d'actionnement de l'eclairage d'une salle Download PDF

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Publication number
WO1992020959A1
WO1992020959A1 PCT/EP1992/001142 EP9201142W WO9220959A1 WO 1992020959 A1 WO1992020959 A1 WO 1992020959A1 EP 9201142 W EP9201142 W EP 9201142W WO 9220959 A1 WO9220959 A1 WO 9220959A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas discharge
discharge lamp
current
minutes
brightness
Prior art date
Application number
PCT/EP1992/001142
Other languages
German (de)
English (en)
Inventor
Walter Baenziger
Emanuela Banfi
Original Assignee
Walter Baenziger
Emanuela Banfi
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 Walter Baenziger, Emanuela Banfi filed Critical Walter Baenziger
Publication of WO1992020959A1 publication Critical patent/WO1992020959A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • 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
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • 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
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the invention relates to a method according to the preamble of claim 1 and to an apparatus for carrying out the method according to the preamble of claim 5.
  • inductive gas discharge lamps are increasingly being used, in general particularly low-pressure gas discharge lamps in the form of inductive fluorescent lamps Resence lamps (with chokes) and compact fluorescent lamps are in use, and in these the known methods and devices fail in terms of the desired saving, so that one has practically strayed from them today.
  • the invention is based on the object of being able to achieve additional power savings even with modern inductive room lighting, and this is achieved by the characterizing features of claim 1.
  • a device with the characterizing features of claim 4 is particularly suitable for carrying out the method.
  • Other control devices have already been used
  • phase control is designed in accordance with claim 7, because flickering is thus avoided and the usable operating voltage is increased (in comparison to other phase control systems) .
  • FIG. 1 shows a block diagram of a device according to the invention, of which
  • FIG. 3 shows a variant of the circuit for brightness-dependent override shown in FIG. 1;
  • 5A to 5C are diagrams for explaining the mode of operation in a procedure according to the inventive method.
  • a network with a zero conductor 0 and two current-carrying lines ph1, ph2 for supplying at least one low-pressure gas discharge lamp 1 is provided. seen, which is connected in the usual way via a choke 2 and a capacitor 3.
  • the operating current of this gas discharge lamp 1, which is formed, for example, by a conventional fluorescent lamp, is controlled via a phase control 4 with terminals 5 to 9.
  • the phase angle control 4 is supplied with a control signal via terminals 5 and 6 from a control block 10, which is connected on the one hand to lines 0 and ph2 (or ph1) and on the other hand to a signal generator block 11. It can be seen that the terminals 7 to 9 are connected to the lines 0, phl, ph2, so that the phase control 4 is supplied via these terminals.
  • the control block 10 is used for control signal processing and for this purpose has an external circuit in the form of a plurality of switching stages combined to form a block 12. These switching stages are shown schematically as conventional switches, but as a rule will be formed by corresponding electronic switches, for example by threshold switches.
  • the switching block 12 has a control input 12 ′, which is connected to the outputs of the signal generator 11. Depending on the type of signal generator and its output signal (analog or digital) and the design specifications, the switching block 12 can be designed differently.
  • the switch of the switching block 12 shown could also be replaced by one or more FETs or other transistor circuits, the base voltage output by the signal generator 11 determining the size of the output signal output as an analog signal.
  • a digital signal is emitted by the signal generator 11, it can be encoded signals or simply different switching stages. It is now assumed that such a simple waveform form is used.
  • the signal generator 11 is linked to a presence detector circuit 13 or forms part of the same.
  • this detector circuit 13 can be designed in different ways, but preferably has a light barrier circuit in which two (or more) light barriers 13 ′, 13 ′′ are each formed by a light source 14, a reflector 15 and a receiver 16 are. If a person now enters a room, he or she first passes through the light barriers 13 'and then through
  • each of these circuits 13 * , 13 ′′ emitting a pulse. According to the order 13 '- 13'', the one pulse is added in a computer contained in the signal generator 11.
  • the switch-off signal at the input 12 ′ lowers the operating current of the lamp 1 by actuating the corresponding switch of the switching block 12 in such a way that it at least remains preheated, possibly remains dim.
  • the respective output signal of the switching block 12 acts on the control block 10 in the sense of emitting a corresponding signal, possibly a higher voltage, ie the control block 10 essentially acts as a signal converter.
  • a fluorescent lamp 1 normally only emits its full light output after a few minutes, i.e. burning at the beginning with relatively poor efficiency, it is favorable if the switch-on signal gives the tube 1 the full nominal current, i.e. 100% of it (100% start), in order to quickly bring it to full light output.
  • This time can be up to 10 minutes, the expiry of this time being determined by the signal generator 11 with the aid of a timer t, which can be of any desired design, possibly as a clock oscillator.
  • the gas discharge lamp 1 is supplied with a lower current than the nominal current for at least part of its operating time.
  • time can be set with the aid of a setting device, such as an adjusting button 17, which can be at least two minutes, preferably more than 5 minutes and, if desired, about 10 minutes.
  • the operating voltage of the lamp 1 is reduced by at least 10%, preferably at least 20% and in particular by at least 30%.
  • An operating voltage of 70% of the rated current is of particular advantage for the efficiency, the economy of operation and finally for the life of the gas discharge lamp 1.
  • This room brightness sensor 18 can be arranged and illuminated in various ways and is symbolized here per se as a photoelectric resistor, but could also be formed by any other photoelectric converter.
  • this sensor 18 is arranged for the measurement exclusively of the light emitted by the gas discharge lamp 1, ie at a location where it is practically only exposed to this light. It has already been mentioned that inductive gas discharge lamps, and in particular low-pressure gas discharge lamps, develop their optimum efficiency at a certain operating current which is below the nominal current and also have a longer service life when operated with such a current. It is therefore possible to monitor compliance with the particular room brightness corresponding to this mode of operation with such a room brightness detector and to readjust the operating current of the lamp 1 via the phase control. This could even take place regardless of whether presence detector 13 is provided or not. A regulation to an operating current of about 70% of the nominal light current ⁇ is particularly favorable. Another possibility of arranging the room brightness sensor 18 is to use it to monitor the absolute room brightness, ie the overall brightness additionally given by the lamp 1 and by sunlight.
  • the sensor 18 possibly with an upstream wide-angle lens, measures an area that is as representative as possible of the room brightness, e.g. the working area of the room.
  • the room brightness sensor 18 can be used to advantage by influencing the signal emitted by the signal generator 11 in such a way that its level is influenced, for example, depending on the brightness.
  • the signal generator 11 represents a mixed circuit, since the various input signals (digital inputs of the timer t and the presence detector 13: "period expired", "room occupied", “room empty” etc. and the like) Input signal of the sensor 18) is a corresponding mixed signal.
  • the analog signal of the sensor 18 can of course also be digitized in order to simplify the circuit.
  • the phase control 4 may be of a known type.
  • various circuits of course for high-pressure gas discharge lamps, have become known which could be used on their own or in a modified form.
  • the problem of flickering when the operating current is too low must be taken into account, which is particularly sensitive for low-pressure gas discharge lamps, as are increasingly used in training and business premises today. Therefore, the phase control 4 is preferably designed for an operating mode, as will be described later with reference to FIG. 5A.
  • this controller has 4 a control signal input 5 or 6 and a supply input at terminals 7 to 9, which can be supplied with current via a main switch S. The details of this circuit can be seen from FIG. 2.
  • the phase gating circuit 4 has an input circuit connected to the mains voltage, which comprises the primary winding 19 of a decoupling transformer 20 between the terminals 7 and 9, a choke 21 and a capacitor C located between the terminals 8 and 9. Parallel to the capacitor C is a voltage-dependent resistor VDR, a filter 22.
  • the choke 21 serves as interference protection and is preferably provided for this purpose.
  • a triac 23 Parallel to the last-mentioned parts of the input circuit is a triac 23, which is connected to a control circuit 24.
  • the circuit 24 is connected to all three terminals 7-9, but additionally also to the output of a first secondary winding 25 'of the decoupling transformer 20, which is led via a rectifier circuit 26 in order to supply the control circuit 24 with direct current.
  • This direct current is required for the operation of a photo transistor of an optocoupler 27, which ensures a clear decoupling of the input circuit from the signal circuit operated with low voltage (for example 24 V).
  • This signal circuit draws its voltage from a further secondary winding 28 of the transformer 20, which is connected via a rectifier circuit 29, e.g. a rectifier bridge is smoothed.
  • This DC voltage is used to operate a signal converter 30, which receives the signals from the control block 10 (FIG. 1) via the terminals 5 and 6 and converts them into a corresponding light signal of a light-emitting diode for controlling the phase cut triac 23 accordingly D of the optocoupler 27 converts.
  • the function and operating mode of this control according to a preferred embodiment will be discussed later with reference to FIG. 5A.
  • the switching stage 12 is connected with its input 12 'directly to the output of the presence detector 13 (cf. FIG. 1), whereas the room brightness detector 118 is connected to a signal generator circuit 111.
  • This circuit 111 may contain the clock generator t, if such is provided.
  • an adjuster 31 is provided for adapting the room brightness to the respective needs, which can include an adjustment button 32 and a display window 33.
  • Such an adjuster could also be connected to the presence detector 13 (not shown here), but it is preferred to attach it to the stage 111 connected to the brightness sensor, especially since there are analog signals there anyway.
  • the control range of the signal transmitter has only relatively narrow limits, since there is already a certain reduction in the operating voltage of the gas discharge lamp 1 (FIG. 1) connected to the phase gating control 4 by the presence detector 13 and also We recommend only switching off the power for this lamp if the room is empty for a long time.
  • the assignment of the timer t to the presence detector 13 in the manner shown in FIG. 1 is preferred, because this makes it easier to determine a longer absence, for example in that the circuit 11 contains a counter connected to the clock generator, which is used when the timer is updated Entering the room after an absence is reset to zero.
  • a "bright” indicator 34 e.g. a lighting up LED can be displayed.
  • a "dark” indicator 35 is provided when the other limit of the control range has been reached.
  • the changeover from the influencing of the phase control 4 by the presence detector 13 to a regulation depending on the room brightness can be done manually by actuating a switch S2 which energizes a relay 36 in such a way that it is connected to it connected contacts of switch S1 move into the position shown in FIG.
  • an automatic switchover can also be provided in that the outputs of stages 10 and 111 are connected to a differential amplifier 37, which determines which of the input signals corresponds to a lower operating current value for the gas discharge lamp to be controlled and, accordingly, a switchover to the lower one Corresponds current value signal via a controllable switching stage 38.
  • the output signal of the converter 14 ' is therefore divided into those with a low frequency and - after filtering out the higher frequencies via the filter 39 - is allocated to the stage 211 processing the brightness signal, and into one with high frequencies after filtering out the low frequencies are fed through the filter 40 to a signal generator 311, in the simplest case only a counter.
  • the output signal of this stage 311 is then used in the manner already described for switching the switching stage 12.
  • the outputs of the switching stage 12 are fed to a mixing stage 411 provided in the processing stage 211, which also receives the brightness-dependent signal from the filter 39. Furthermore, the adjustment signal from the adjuster 31 is fed to it so as to form the output signal of the stage 211 for forwarding to the terminals 5 and 6.
  • a special brightness sensor 18 is now omitted in this particular case, it should be mentioned that in any case it is advantageous to connect the brightness sensor 14 'or 18 to the presence detector 13 or 113, even in the case of one separate brightness sensor 18 simplifies the accommodation, power supply and assembly, in particular if all photoelectric converters are combined on one common support to form a unit, ie at least two (if a converter 14 'with filters 39, 40 is used) or three (with a special brightness sensor 18).
  • FIG. 5A an upper diagram shows the sine curve ad of the alternating current over time t, at which a phase cut is to be made.
  • This central area m does not necessarily have to lie exactly in the axis of symmetry of the sine wave, but will expediently be shifted forward in time in accordance with the cos phi given by the indications present in the circuit, ie shifted to the left in relation to FIG. 5A.
  • the reduction in the resulting operating current curve c shown in the lower diagram in FIG. 5A results accordingly from the difference between the normal course of the sine curve shown in dashed lines in the upper diagram compared to the incision shown with full lines. In practice, it has been found that such an operating mode of the phase control 4 leads to a uniform spatial level up to low operating currents of the gas discharge lamp 1 (FIG. 1).
  • FIG. 5B illustrates the efficiency of a gas discharge lamp 1 as a function of the operating current, 100% denoting the nominal or luminous flux ⁇ of the lamp. It can be seen that the efficiency of the lamp 1 (FIG. 1) is greatest at approximately 50% of the nominal or luminous flux ⁇ , so that for this reason alone it is more favorable to change a gas discharge lamp 1 at one compared to the nominal current 30% reduced operating current.
  • FIG. 5B and that according to FIG. 5C are the result of research studies which showed that the lamp can not only be operated with more favorable efficiency, but also that the service life is extended considerably. This represents a further economic factor, since gas discharge lamps, such as compact fluorescent lamps and conventional fluorescent lamps, compared to conventional incandescent lamps have higher production costs.
  • the average lifespan of a gas discharge lamp 1 can therefore be assumed to be around 7,500 hours, with its light output decreasing essentially continuously from 100%, this results in savings even when operating with a luminous flux of only 70% of the nominal current. of approximately 40%, which corresponds approximately to the hatched field 41 of FIG. 5C. If one now takes into account that the life of the lamp increases, namely up to approximately 11000 hours, there is an additional saving in accordance with field 42, since the decrease in light output corresponding to line 43 flattens out becomes.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

Pour actionner au moins une lampe luminescente à gaz (1), telle qu'une lampe fluorescente ou une lampe fluorescente compacte, des systèmes (10-16) détectent la présence de personnes dans une salle et actionnent la lampe luminescente à gaz (1) au moins temporairement avec un courant réduit par rapport à son courant nominal. A cet effet, on utilise de préférence un détecteur de présence (13) et une commande par coupe (4) influencée par le détecteur de présence, ainsi que le cas échéant également un capteur (18) de la luminosité ambiante.
PCT/EP1992/001142 1991-05-22 1992-05-21 Procede et dispositif d'actionnement de l'eclairage d'une salle WO1992020959A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1517/91-1 1991-05-22
CH151791 1991-05-22

Publications (1)

Publication Number Publication Date
WO1992020959A1 true WO1992020959A1 (fr) 1992-11-26

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19521934A1 (de) * 1995-06-07 1996-02-08 Wilhelm Wirtz Gerät zur regelbaren tageslichtabhängigen Lichtsteuerung, geeignet für den Einbau in Leuchten mit dimmbaren elektronischen Vorschaltgeräten
EP0969702A2 (fr) * 1998-06-30 2000-01-05 TRILUX-LENZE GmbH & Co. KG Dispositif de commande pour un système d'éclairage
WO2000040120A1 (fr) * 1999-01-08 2000-07-13 R & D S.R.L. Dispositif de suspension universel a eclairage integre
WO2008032855A1 (fr) * 2006-09-12 2008-03-20 Nippon Steel Corporation Procédé de commande de lampe d'éclairage et appareil de commande de lampe d'éclairage
NL1035772C2 (nl) * 2008-07-28 2010-01-29 Lely Patent Nv Automatisch aanpassen stalverlichting.
US8796936B2 (en) 2009-12-16 2014-08-05 Stmicroelectronics (Research & Development) Limited Compact fluorescent lamps

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981003596A1 (fr) * 1980-05-27 1981-12-10 H Hoge Systeme de commande de reaction pour appliquer un courant alternatif d'alimentation a des lampes a ballast
US4441143A (en) * 1980-08-11 1984-04-03 Gladwin, Inc. Photo voltaic lighting for outdoor telephone booth
CH667561A5 (en) * 1986-09-08 1988-10-14 Emanuela Banfi Automatic light switch with logic circuit - has two photoelectric relays connected via two flip=flops to counter and OR gate
EP0331508A2 (fr) * 1988-03-04 1989-09-06 New World Electronic Products Limited Dispositif d'éclairage
EP0447136A2 (fr) * 1990-03-10 1991-09-18 TLG plc Méthode de contrôle automatique d'éclairage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981003596A1 (fr) * 1980-05-27 1981-12-10 H Hoge Systeme de commande de reaction pour appliquer un courant alternatif d'alimentation a des lampes a ballast
US4441143A (en) * 1980-08-11 1984-04-03 Gladwin, Inc. Photo voltaic lighting for outdoor telephone booth
CH667561A5 (en) * 1986-09-08 1988-10-14 Emanuela Banfi Automatic light switch with logic circuit - has two photoelectric relays connected via two flip=flops to counter and OR gate
EP0331508A2 (fr) * 1988-03-04 1989-09-06 New World Electronic Products Limited Dispositif d'éclairage
EP0447136A2 (fr) * 1990-03-10 1991-09-18 TLG plc Méthode de contrôle automatique d'éclairage

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19521934A1 (de) * 1995-06-07 1996-02-08 Wilhelm Wirtz Gerät zur regelbaren tageslichtabhängigen Lichtsteuerung, geeignet für den Einbau in Leuchten mit dimmbaren elektronischen Vorschaltgeräten
EP0969702A2 (fr) * 1998-06-30 2000-01-05 TRILUX-LENZE GmbH & Co. KG Dispositif de commande pour un système d'éclairage
EP0969702A3 (fr) * 1998-06-30 2001-05-16 TRILUX-LENZE GmbH & Co. KG Dispositif de commande pour un système d'éclairage
WO2000040120A1 (fr) * 1999-01-08 2000-07-13 R & D S.R.L. Dispositif de suspension universel a eclairage integre
WO2008032855A1 (fr) * 2006-09-12 2008-03-20 Nippon Steel Corporation Procédé de commande de lampe d'éclairage et appareil de commande de lampe d'éclairage
NL1035772C2 (nl) * 2008-07-28 2010-01-29 Lely Patent Nv Automatisch aanpassen stalverlichting.
EP2149296A2 (fr) 2008-07-28 2010-02-03 Lely Patent N.V. Adaptation automatique de l'éclairage d'une étable
EP2149296A3 (fr) * 2008-07-28 2010-03-10 Lely Patent N.V. Adaptation automatique de l'éclairage d'une étable
US8232731B2 (en) 2008-07-28 2012-07-31 Lely Patent N.V. Automatic adaptation of shed lighting
US8796936B2 (en) 2009-12-16 2014-08-05 Stmicroelectronics (Research & Development) Limited Compact fluorescent lamps

Also Published As

Publication number Publication date
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