EP3154316B1 - Lampe à del avec circuit de commande - Google Patents

Lampe à del avec circuit de commande Download PDF

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Publication number
EP3154316B1
EP3154316B1 EP16192574.8A EP16192574A EP3154316B1 EP 3154316 B1 EP3154316 B1 EP 3154316B1 EP 16192574 A EP16192574 A EP 16192574A EP 3154316 B1 EP3154316 B1 EP 3154316B1
Authority
EP
European Patent Office
Prior art keywords
voltage converter
switch
light
lighting means
output current
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.)
Active
Application number
EP16192574.8A
Other languages
German (de)
English (en)
Other versions
EP3154316A1 (fr
Inventor
Andreas Hierzer
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.)
H4X eU
Original Assignee
H4X eU
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Filing date
Publication date
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Publication of EP3154316A1 publication Critical patent/EP3154316A1/fr
Application granted granted Critical
Publication of EP3154316B1 publication Critical patent/EP3154316B1/fr
Active 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
    • 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
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/62—One or more circuit elements structurally associated with the lamp
    • H01K1/64—One or more circuit elements structurally associated with the lamp with built-in switch
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/385—Switched mode power supply [SMPS] using flyback topology
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/39—Circuits containing inverter bridges

Definitions

  • Electric light sources are operated with supply voltages and supply currents, which are usually tuned to the nature and characteristics of the light sources.
  • this tuning is often realized via converter circuits or converter circuits which rectify an input AC voltage in a DC supply voltage with a predetermined direct current.
  • the power consumption and thus the brightness can be adjusted with LEDs.
  • Constant-current converter circuits regulate the output current so that the operating current of one or more LED modules is within the optimum range.
  • the output current value setpoint is preset at the factory in conventional converter circuits for LED luminaires.
  • the brightness of the lamp is invariable.
  • Various approaches in the prior art try for a user of such LED lights to create freedom in the choice of the brightness of the LEDs:
  • the document WO 2010/021675 A1 discloses an LED lamp with a built-in base converter circuit whose output current can be controlled via a likewise integrated in the base switching mechanism.
  • the publication DE 10 2010 002 996 A1 discloses a lighting arrangement with an LED lamp and a base, in which an operating element for adjusting the luminous properties of the LED lamp is integrated.
  • the pamphlets US 2011/0068706 A1 . US 2012/0280617 A1 . EP 2 496 057 A1 , and US 2013/0200812 A1 reveal LED lights with adjustable supply current for the LED bulbs.
  • a luminaire comprises the features of claim 1.
  • Fig. 1 shows a schematic illustration of a lamp 20.
  • the lamp 20 is equipped with one or more bulbs 22 on LED (LED) basis.
  • the LED lighting means 22 may comprise, for example, series circuits of LED chips arranged on a light source carrier 21.
  • the luminaire 20 furthermore comprises electrical circuits which are arranged to supply power to the LED luminous means 22 on the illuminant carrier 21.
  • the luminaire 20 furthermore has a switch 10, which is arranged in a switch housing 11 on the illuminant carrier 21 or in the vicinity of the illuminant carrier 21.
  • the switch 10 has an actuating element 12, the actuation of which serves to set the setpoint output current of the voltage converter circuit - here a setpoint output direct current.
  • the actuating element 12 may, for example, be designed so that it can be brought into a plurality of different switching positions which have different values for correlate the adjustable nominal output DC current.
  • the actuator 12 may be a slider which can be reciprocated linearly in a recess of the switch housing. In this case, the actuating element 12 can be formed mechanically such that it can engage in the various switching positions and thus set the target output DC.
  • the actuator 12 may also include a knob, a button, a selector lever, a rocker switch, a toggle switch, a detent switch, a pull switch or a similar mechanical control.
  • the user can set the luminous intensity or brightness of the LED illuminant 22 supplied by the voltage converter circuit, which is dependent on the set nominal output DC current of the voltage converter circuit.
  • the brightness of the luminaire 20 can thus be adapted on-site during the installation of the luminaire 20 by a technician as required and flexibly, without having to make any special arrangements or presettings by the luminaire manufacturer.
  • the switch 20 can be arranged in such a way in the lamp housing 23 that it is not visible or not easily accessible to the viewer in the ordinary use of the lamp 20 behind the lamp cover for the viewer. As a result, the aesthetics of the lamp 20 is not diminished, at the same time the basic accessibility by an installer, electrical engineers or maintenance personnel is not significantly affected.
  • Fig. 2 shows a schematic representation of a switch 10, as in a lamp 20 of the Fig. 1 can be installed.
  • the switch 10 may comprise a switch housing 11, which is formed, for example, box-shaped or parallelepiped. It may of course be possible, another outer geometric shape for the switch housing 11 to choose, for example, adapted to a recess in the lamp housing 21 of the lamp 20 shape.
  • the switch 10 also has an actuating element 12 in the form of a slide control.
  • the slider 12 can be switched in a recess of the switch housing 11 along a displacement between a plurality of switch positions.
  • a scale 13 can be printed or embossed with labels for the various switch positions on the switch housing 11.
  • the mechanical actuator 12 can move the connecting bridge 14 in the switch housing 11 between different positions back and forth, in which the contact element 14a the input contact 15 via the connecting bridge 14 electrically with one of the along the direction of the displacement of the mechanical actuator 12th arranged branch contacts 16a, 16b, 16c connects.
  • a second switch position is indicated in dashed lines, in which the input contact 15 is electrically conductively connected to the branch contact 16c via the connection bridge 14.
  • Fig. 4 and 5 each one Voltage converter circuits, in particular voltage converter circuits for a lamp 20, such as in connection with Fig. 1 explained.
  • the voltage converter circuits each comprise an input terminal 2a, a voltage converter 4 connected to the input terminal 2a, the output of which is coupled to at least one power sensor 3, and an output terminal 2b.
  • the power sensor 3 can be, for example, an LED illuminant 22 or a matrix of LED illuminants 22.
  • a DC voltage may be present between the terminals 2a, 2b.
  • an alternating voltage can also be applied between the terminals 2a, 2b, in which case a further (not explicitly shown) rectifier can be arranged in front of the voltage converter 4, so that between the nodes 6a and 6b in FIG Fig. 4 a DC voltage is applied.
  • the voltage converter 4 may be, for example, a transformer with galvanic isolation, such as a flyback converter or a push-pull flow converter.
  • the type of voltage converter 4 is not limited to specific converter types - the voltage converter 4 only has to be designed to output a predefined setpoint output voltage with a controllable setpoint output current.
  • Fig. 4 shows a first variant of a voltage converter circuit.
  • a control circuit 1 for the voltage converter 4 is connected in parallel to the voltage converter 4.
  • the control circuit 1 comprises the switch 10 whose input contact 15 is connected to the node 6a between the input terminal 2a and the input of the voltage converter 4.
  • the switch 10 has a contactor 18 which, depending on the switching position of the associated (in Fig. 4 not shown) mechanical actuator 12 electrically connects the input contact 15 with one of the branch contacts 16a, 16b, 16c.
  • Each of the branch contacts 16a, 16b, 16c forms a current-carrying branch, in each of which a resistor 17a, 17b, 17c is arranged.
  • the resistors 17a, 17b, 17c can be shunt resistors of different resistance value, for example. After the resistors 17a, 17b, 17c, the current-carrying branches are again fed out of the switch 10 into a node 6b between the output of the voltage converter 4 and the output terminal 2b.
  • the control circuit 1 further comprises a detector circuit 5, which is designed to detect in which of the current-carrying branches a current that is, which of the branch contacts 16a, 16b, 16c is actively connected to the input contact 15.
  • the detector circuit 5 can determine, for example, the voltage drop of the branch voltages Ua, Ub, Uc via the respective (shunt) resistors 17a, 17b, 17c.
  • the detector circuit 5 can then generate a drive signal C for the voltage converter 4, which adjusts the voltage converter 4 to a predetermined desired output current.
  • the predetermined desired output currents which can be adjusted via the drive signal C, can be adapted in particular to desired brightness values of the power pickup 3 configured as an LED light source.
  • Fig. 5 shows a second variant for a voltage converter circuit.
  • the voltage converter 4 in this case has two control inputs 4a and 4b, between which a control circuit 1 for the voltage converter 4 is connected.
  • the control circuit 1 comprises the switch 10 whose input contact is connected to the first of the control inputs 4a.
  • the switch 10 has a contactor 18 which, depending on the switching position of the associated (in Fig. 5 not shown) mechanical actuator 12 electrically conductively connects the first of the control inputs 4a with one of the branch contacts 16a, 16b, 16c.
  • Each of the branch contacts 16a, 16b, 16c forms a current-carrying branch, in each of which a resistor 17a, 17b, 17c is arranged.
  • the resistors 17a, 17b, 17c can have, for example, different resistance values.
  • the current-carrying branches are again connected to the second of the control inputs 4b of the voltage converter 4 after the resistors 17a, 17b, 17c from the switch 10.
  • the resistance value that is present in the branch between the two control inputs 4a and 4b of the voltage converter 4 is thus varied.
  • one of the plurality of parallel-connected current-carrying branches is selectively coupled between the two control inputs 4a and 4b of the voltage converter (4).
  • the Fig. 4 and 5 is selected by adjusting the actuating element 12 of the switch 10 one of the plurality of switching positions, so that on the variation of the output current of the voltage converter, the lumen of the lamp can be changed.
  • luminaires equipped with such control circuits 1 can be supplied uniformly at the factory - the brightness of the luminaire can be adjusted flexibly via an adjustment of the switch 10 on site.
  • electronic ballasts can be factory delivered uniformly, because the adaptation of the output current can be done after installation in the lamp via the built-in lamp light switch 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • User Interface Of Digital Computer (AREA)

Claims (12)

  1. Lampe (20), comportant un support du moyen d'éclairage (21) ; au moins un moyen d'éclairage par DEL (22), lequel est agencé sur le support du moyen d'éclairage (21) ; et un circuit transformateur de tension, lequel est conçu pour alimenter l'au moins un moyen d'éclairage par DEL (22) en courant électrique et duquel le courant de sortie est réglable ;
    caractérisée en ce que
    le circuit transformateur de tension comprend un transformateur de tension (4), lequel est connecté en série à l'au moins un moyen d'éclairage par DEL et est alimenté en tension électrique par le transformateur de tension (4) ; le circuit transformateur de tension comprenant en outre un circuit de commande (1) avec un commutateur (10), lequel est conçu pour fournir au transformateur de tension (4), en fonction de la position de fonctionnement mécanique du commutateur (10), un signal de commande (C) pour le réglage d'un courant de sortie de consigne du transformateur de tension (4) ;
    le commutateur (10) comprenant en outre une pluralité de branches conductrices de courant connectées en parallèle avec des résistances (17a, 17b, 17c) de différentes valeurs de résistance et présentant un contacteur (18), le contacteur (18) étant conçu pour relier chacune de la pluralité de branches conductrices connectées en parallèle sélectivement à un contact d'entrée (15) du commutateur (10) ; et le circuit de commande (1) comprenant en outre un circuit de détecteur (5), lequel est conçu pour détecter une chute de tension (Ua, Ub, Uc) par les résistances (17a, 17b, 17c) et pour fournir au transformateur de tension (4), en dépendance de la chute de tension détectée (Ua, Ub, Uc), le signal de commande (C) pour le réglage d'un courant de sortie de consigne du transformateur de tension (4).
  2. Lampe (20) selon la revendication 1, le courant de sortie du transformateur de tension (4) étant réglable de sorte que le courant d'éclairage produit par l'au moins un moyen d'éclairage par DEL (22) peut être réglé à des valeurs souhaitées.
  3. Lampe (20) selon l'une des revendications 1 et 2, le courant de sortie du transformateur de tension (4) étant réglable en au moins deux étapes discrètes.
  4. Lampe (20) selon l'une des revendications 1 et 2, le courant de sortie du transformateur de tension (4) étant réglable en continu à l'intérieur d'une plage de courant de sortie.
  5. Lampe (20) selon l'une des revendications 1 à 4, les résistances (17a, 17b, 17c) comprenant des résistances shunt.
  6. Lampe (20) selon l'une des revendications 1 à 5, comportant en outre :
    un élément d'actionnement mécanique (12), lequel est mécaniquement couplé avec le contacteur (18) et lequel est conçu pour commander le contacteur (18), en fonction de la position de fonctionnement mécanique, pour le raccordement sélectif de chacune de la pluralité de branches conductrices connectées en parallèle, au contact d'entrée (15) du commutateur (10).
  7. Lampe (20) selon l'une des revendications 1 à 6, le transformateur de tension (4) présentant un transformateur de tension constante avec séparation galvanique.
  8. Lampe (20) selon l'une des revendications 1 à 7, le commutateur (10) étant agencé sur le support du moyen d'éclairage (21).
  9. Lampe (20) selon l'une des revendications 1 à 8, comportant en outre :
    un boîtier du moyen d'éclairage (23), dans lequel est agencé le support du moyen d'éclairage (21) ; et
    un couvercle de lampe, lequel est agencé sur le boîtier du moyen d'éclairage (23) et lequel rend le commutateur (10) sur le support du moyen d'éclairage (21) inaccessible de l'extérieur.
  10. Lampe (20) selon la revendication 9, comprenant en outre :
    un ballast électronique, EVG, dans lequel est agencé le transformateur de tension (4).
  11. Lampe (20) selon l'une des revendications 1 à 10, le courant de sortie pouvant sortir par le transformateur de tension (4) comprenant des valeurs de courant de sortie de consigne prédéfinies, qui correspondent à des valeurs de luminosité prédéterminables de l'au moins un moyen d'éclairage par DEL (22).
  12. Lampe (20) selon l'une des revendications 1 à 11, le commutateur (10) présentant un commutateur unidirectionnel (10), lequel, après le réglage unique d'une position de fonctionnement, reste désactivé de manière irréversible.
EP16192574.8A 2015-10-07 2016-10-06 Lampe à del avec circuit de commande Active EP3154316B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015219367.5A DE102015219367B4 (de) 2015-10-07 2015-10-07 Led-leuchte mit steuerschaltung

Publications (2)

Publication Number Publication Date
EP3154316A1 EP3154316A1 (fr) 2017-04-12
EP3154316B1 true EP3154316B1 (fr) 2018-03-28

Family

ID=57103908

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16192574.8A Active EP3154316B1 (fr) 2015-10-07 2016-10-06 Lampe à del avec circuit de commande

Country Status (4)

Country Link
US (1) US10143048B2 (fr)
EP (1) EP3154316B1 (fr)
AT (1) AT517758A3 (fr)
DE (1) DE102015219367B4 (fr)

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US10757772B2 (en) 2018-06-14 2020-08-25 H4X E.U. Control device for an LED light and method for controlling an LED light

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US11802682B1 (en) 2022-08-29 2023-10-31 Wangs Alliance Corporation Modular articulating lighting

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US10757772B2 (en) 2018-06-14 2020-08-25 H4X E.U. Control device for an LED light and method for controlling an LED light

Also Published As

Publication number Publication date
DE102015219367A1 (de) 2017-04-13
AT517758A3 (de) 2018-08-15
DE102015219367B4 (de) 2022-07-14
EP3154316A1 (fr) 2017-04-12
US20170105254A1 (en) 2017-04-13
US10143048B2 (en) 2018-11-27
AT517758A2 (de) 2017-04-15

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