EP3182800B1 - Appareil de commande pour un système d'éclairage - Google Patents

Appareil de commande pour un système d'éclairage Download PDF

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Publication number
EP3182800B1
EP3182800B1 EP16201646.3A EP16201646A EP3182800B1 EP 3182800 B1 EP3182800 B1 EP 3182800B1 EP 16201646 A EP16201646 A EP 16201646A EP 3182800 B1 EP3182800 B1 EP 3182800B1
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EP
European Patent Office
Prior art keywords
operating device
control signal
channel
type
control
Prior art date
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EP16201646.3A
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German (de)
English (en)
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EP3182800A1 (fr
Inventor
Steffen Block
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.)
Zumtobel Lighting GmbH Austria
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Zumtobel Lighting GmbH Austria
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Priority claimed from DE102016202245.8A external-priority patent/DE102016202245A1/de
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP3182800A1 publication Critical patent/EP3182800A1/fr
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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
    • H05B35/00—Electric light sources using a combination of different types of light generation
    • 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]
    • H05B45/20—Controlling the colour of the 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
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission

Definitions

  • the present invention relates to an operating device for operating devices in a lighting system.
  • the invention also relates to a lamp having this operating device.
  • the lighting system is designed as a bus system with addressable operating devices and can be constructed, for example, in accordance with the DALI (Digital Addressable Lighting Interface) standard for controlling operating devices.
  • DALI Digital Addressable Lighting Interface
  • control devices such as switches, dimmers, scene and group controllers are connected to operating devices for actuators and lamps via a bus system.
  • the operating devices receive control signals addressed to them from the control devices via the bus system and control the actuators and lamps according to the control signals.
  • DALI differentiates, for example, between operating devices for fluorescent lamps (device type 0), emergency lighting with self-contained batteries (device type 1), discharge lamps (device type 2), low-voltage halogen lamps (device type 3), supply voltage regulators for incandescent lamps (device type 4), conversion of the digital signal into a DC voltage (device type 5), LED modules (device type 6), switching function (device type 7), color control (device type 8) and sequencer (device type 9).
  • each operating device is assigned an address and the respective operating device type Registration of the operating device queried in the bus system in order to determine the functionality of the operating device and thus also the control signals to be used for this operating device.
  • certain functions such as dimming or simulating the course of daylight with adjustment of the color temperature, can be configured for an operating device.
  • the functionality of the control gear is evolving, as is the number of types of control gear.
  • the pamphlet U.S. 2008/0276154 A1 discloses a digital lighting control network protocol for controlling luminaires.
  • the pamphlet DE 10 2006 054 785 A1 discloses a system for operating an electric lighting device.
  • the pamphlet WO 2005/117503 A1 discloses a building management system for controlling a plurality of distributed actuators, consisting of a central Control unit and at least one actuator controlled by the central control unit.
  • the pamphlet DE 10 2015 207331 A1 discloses a method for addressing lamp operating devices.
  • the pamphlet WO 2015/168719 A2 discloses an operating device for an LED module with at least one light-emitting diode, which includes an evaluation circuit set up to automatically detect a type of LED module.
  • the invention is therefore based on the object of creating an operating device that reduces the problems described.
  • the task is to provide an operating device and a lamp for operating at least one device connected to the operating device, with which the risk of incompatibility of the operating device with a lighting system can be reduced.
  • the operating device for operating at least one device in a lighting system has a control device for controlling the operating device at least according to a first type of operating device and means for converting a received control signal for controlling a second type of operating device into a control signal for controlling the first type of operating device.
  • the operating device which can be operated at least according to a first type of operating device, ie by a control signal provided for such operating devices, can also be controlled by control devices that are compatible with the second or both types of operating device.
  • the operating device can contain an electronic ballast for gas discharge lamps or fluorescent lamps and/or a converter for organic or inorganic light-emitting diodes (LED, OLED).
  • LED organic or inorganic light-emitting diodes
  • control device can also be designed to control the operating device optionally also according to the second type of operating device, with the means for converting a control signal being additionally designed to convert a received control signal for controlling the first type of operating device into a control signal for Implement control of the second type of operating device.
  • Such an operating device can be operated selectively as a first or second type of operating device.
  • the control gear can have at least a first connection and a second connection for coupling to the lighting system, wherein the control gear when connected to the system via the first (or second) connection as a control gear of the first type of control gear and via the second (or first) connection as an operating device of the second Operating device type is identified.
  • the type of control gear to be revealed to the lighting system can be determined by a simple selection of the connections. If the operating device can also convert or process control signals from other types of operating device, further connections for identifying the type of operating device with respect to the lighting system can of course also be provided in addition to the first and second connection.
  • the control gear can identify itself to the lighting system as two control gears of the second type via the two connections connected to the lighting system.
  • the operating device can identify itself to the lighting system at least as a first or second type in accordance with a received setting signal.
  • the setting signal can be generated by a switch located on the operating device and can trigger the software-side adjustment.
  • the operating device can have at least a first channel, i.e. the first output connection for connecting one or more lamps and a second channel, i.e. the second output connection for connecting one or more lamps and be designed to to operate the lamps connected to the first and second output connection separately from one another.
  • the control signal according to a first specification for controlling the first type of operating device can have information for setting an overall intensity and a relative intensity of the two channels to one another, with the control device being designed to use the voltage and/or the to control the current output according to this information.
  • the means for converting a control signal is designed to convert a received control signal according to a second specification, which has information for controlling the light intensity for a channel for driving the second operating device type, into a control signal which has the information for controlling the overall intensity and the relative intensities , to implement the control of the first type of operating device, wherein the control device controls the respectively output voltage and/or the output current from the first output connection and the second output connection accordingly.
  • control device can also be designed to, upon receipt of a corresponding control command, operate the operating device with respect to the lighting system as a first operating device of the second operating device type and at the same time as a second operating device of the second To identify the type of operating device and to control the voltage and/or the current delivered by the first output terminal according to the intensity specified by a received control signal assigned to the first operating device and the voltage and/or the voltage delivered by the second output terminal to control the current emitted according to the intensity predetermined by a received control signal assigned to the second operating device.
  • the operating device can be used by the lighting system like an operating device of the first type by means of a light mixture connected to the first and second output connection of differently colored illuminants or can be controlled as two independent operating devices of the second type for direct and indirect lighting.
  • the operating device can have means for detecting at least the temperature of a light source connected to the first output connection and the temperature of a light source connected to the second output connection, with the control device being designed to detect the light source connected to the first output connection and that to the second Output terminal to control connected bulbs according to the respective detected temperature.
  • the control device being designed to detect the light source connected to the first output connection and that to the second Output terminal to control connected bulbs according to the respective detected temperature.
  • the operating device can have means for directly or indirectly detecting the current output at the first output connection and for outputting a signal reflecting this current, and means for directly or indirectly detecting the current output at the second output connection and for outputting a signal reflecting this current .
  • a luminaire has one of the operating devices described above.
  • FIG 1 shows a simplified circuit of a lamp 1 according to a first embodiment according to FIG present invention, which comprises an operating device 2 and two lamps 3, 4 connected to the operating device 2.
  • the light sources 3, 4 have, for example, a different color temperature (when emitting in the white spectrum) or light color during operation and can each comprise a light-emitting diode (LED) or a plurality of LEDs.
  • the LEDs can be inorganic or organic LEDs.
  • the multiple LEDs can be connected in series or in parallel.
  • the plurality of LEDs can also be connected up in more complex arrangements, for example in a plurality of series circuits connected in parallel with one another.
  • the operating device 2 has an input circuit 5 for converting control signals received from a bus line and a control device 6 for separate operation, in particular dimming operation, of the lighting means 3, 4.
  • a supply voltage can be supplied to the control device 6 via the feed terminals 7a, 7b, which voltage can be an AC voltage or DC voltage depending on the design of the operating device 2 .
  • the input circuit 5 is connected via a first connection 8a, 8b and a second connection 9a, 9b to signal lines (bus lines) of a lighting system (bus system) for receiving control signals for controlling the operating device 2, starting from a control device (e.g. DALI master), and can be connected to a control device of the lighting system (not shown) for the transmission of control commands, address, device type and/or status information of the operating device 2 .
  • a control device e.g. DALI master
  • the illuminant 3 can (when emitting in the white spectrum) have a color temperature of, for example, approx. 3000 Kelvin and that Lamp 4 can have a color temperature of, for example, about 6000 Kelvin, so that a color temperature between 3000 and 6000 Kelvin can be set by targeted dimming of the individual lamps 3, 4 or a change in the luminous flux can be achieved with a constant color temperature in a specific range.
  • the color temperature or color location is determined by specifying the relative intensities for the two channels. By specifying the total intensity, however, the brightness.
  • a control signal that specifies a dimming level and a correlated color temperature CCT (Correlated Color Temperature) for controlling the operating device 2 can be received according to DT8 in a DALI system and via the second connection (likewise having two terminals) 9a, 9b, a control signal that only specifies a dimming level can be received according to a DT6 in a DALI system.
  • CCT Correlated Color Temperature
  • the operating device 2 or the input circuit 5 identifies itself to the lighting system (in particular the central control unit) via the first connection 8a, 8b as a first type of operating device, which can set both the dimming level (light intensity) and the color temperature, and via the second connection 9a, 9b to the lighting system as a second type of control gear that can only adjust the dimming level.
  • Both device types mentioned refer to devices with different functionality, both of which are provided in a protocol of the same standard. According to this exemplary embodiment, the selection of how the operating device behaves in relation to the bus system is made by selecting the connection.
  • the input circuit 5 outputs the control signal received at the first connection 8a, 8b to the control device 6 without conversion.
  • the control device 6 determines a voltage and/or current according to the constellation of color temperature and dimming level indicated by the control signal for each light source 3, 4, i.e. each of the two channels, and controls them with it.
  • the input circuit 5 converts the control signal received at the second connection 9a, 9b, which only indicates a dimming level, into a control signal for actuating the first type of operating device, with the input circuit 5 converting the received control signal into a new control signal that indicates a specific constellation of color temperature and dimming level.
  • the dimming level corresponds, for example, to the dimming level specified by the received signal.
  • the color temperature that is to say the relative intensities
  • a sensor or an input for sensor signals with which the color temperature can be regulated as a function of the ambient/daylight and/or an input device with which the manufacturer or user can set the color temperature can be fitted to the luminaire 1.
  • the Corresponding assignments are stored in a table in the input circuit 5.
  • the control device 6 receives the control signal converted by the input circuit 5 (now corresponds to a DT8 signal) and controls the lighting means 3, 4 as described above.
  • the input circuit 5 can, alternatively or triggered by a control signal, if the operating device 2 is connected to the lighting system with the first connection 8a, 8b and the second connection 9a, 9b, the operating device 2 opposite the Identify the lighting system as a first operating device of the second type of operating device and also as a second operating device of the second type of operating device, each with its own address. From the two items of dimming level information contained in the control signals received for the two addresses, the input circuit 5 generates a control signal of the first operating device type, the color temperature resulting from the ratio of the dimming levels displayed in the received control signals and thus the relative intensities for both channels.
  • the light intensity resulting from the two light sources 3 and 4 can vary with a change in color temperature or can be kept constant at a predetermined value.
  • the input circuit 5 identifies the operating device 2 to the lighting system as a first type of operating device or as a second type of operating device.
  • the control signals received via the connection 8a, 8b or 9a, 9b used are output to the control device 6 without signal conversion (first type of operating device) or with conversion (second type of operating device).
  • Luminaire 1 shown according to an example not covered by the subject matter of the claim is only provided with a connection 10a, 10b for connection to the lighting system, via which both the control signal indicating a dimming level and a color temperature for the first type of operating device and the control signal specifying only a dimming level for the second type of operating device can be received.
  • a switch 11 or alternatively only a connection for the switch 11 is attached to the lamp 1, by means of which the input circuit 5 can be signaled whether the input circuit 5 is connected to the lighting system via the connection 10a, 10b as a first operating device type or as a second type of operating device should be identified and whether a control signal of the first type of operating device addressed to luminaire 1 should be sent to the control device 6 without conversion or whether a control signal of the second type of operating device addressed to luminaire 1 should be converted into a control signal of the first type of operating device.
  • the light intensity and color temperature of the controlled lamps 3, 4, particularly if they are light-emitting diodes, can change with a change in temperature, with the lamps 3, 4 changing due to different control/load or heat differently in different installation locations/environments. This leads to an inaccuracy/an error, particularly in the color temperature of the total light emitted by the lighting means 3, 4.
  • FIG. 3 shows a lamp 1 with an operating device 2 according to a further exemplary embodiment of the present invention, in which a temperature sensor 12, 13 is integrated in each light source 3, 4.
  • the temperature sensors 12, 13 can be NTC resistors.
  • the signals emitted by the temperature sensors 12, 13 are fed to the control device 6.
  • the control device 6 On the basis of the supplied temperature signals, the control device 6 at least partially compensates for the deviation in the color temperature caused by heat by a corresponding increase or decrease in the voltage or the current at at least one output.
  • the increase/decrease at the respective output can be proportional to the temperature increase/decrease in the respective illuminant 3, 4.
  • a function or table for both or each of the lamps 3, 4 can be stored in the operating device 2, which assigns a correction value to a detected temperature in conjunction with a luminous flux to be set.
  • the priority is not on a color temperature that is as accurate as possible, but on an exact or constant brightness, the power of the hotter illuminants 3, 4 can be lowered to protect or to increase the service life and the luminous flux reduced by the reduction can be compensated for by a corresponding increase in the power of the colder lamps 3, 4 are compensated.
  • the priority could be determined by a switch on the operating device 2 or by an external signal.
  • each of the lamps 3, 4 can be monitored with the recorded temperatures, with the lamp 3, 4 in question being switched off or only the power (luminous flux) of the lamp 3, 4 in question being reduced if a threshold value is exceeded.
  • the detection of the temperature of each of the lamps 3, 4, which can be operated separately from one another by the operating device 2 via separate channels, and the temperature-dependent control is not limited to the operating devices 2 or lights 1 described above with the signal conversion and can rather be carried out with all known two or more channel operating devices 2 are used.
  • Monitoring the temperature of each of the lamps 3, 4 operated by the operating device 2 is particularly advantageous if the lamps 3, 4 are located at different locations and/or have different outputs, as is the case, for example, with lamps with an independent controllable direct and indirect lighting.
  • the control device 6 is designed to control the control gear 2 alternatively as the second type of control gear.
  • Another switch 14 can be used to signal to the control device 6 whether the operating device 2 is to be controlled according to the first type of operating device or the second type of operating device, and to the input circuit 5 that a control signal of the first type of operating device addressed to the luminaire 1 is converted into a control signal of the second type of operating device implemented or a control signal of the second operating device type is to be transmitted to the control device 6 without conversion.
  • the input circuit 5 If a control signal of the first type of operating device addressed to the luminaire 1 is to be converted into a control signal of the second type of operating device, the input circuit 5 generates a control signal of the first type of operating device from the constellation of color temperature and dimming level indicated in the control signals received, which signal only indicates the dimming level.
  • the control device 6 controls/dimms the connected lamps 3, 4 synchronously. With the use of the operating device as the second type of operating device, the light output can be increased by using the two light sources 12 and 13 .
  • a control signal of the first type of control gear addressed to the luminaire 1 can be converted into a control signal of the second type of control gear for the light source 3 and a control signal of the second type of control gear for the light source 4,
  • the ratio of the dimming level of the two lamps 3 and 4 results from the displayed color temperature or the ratio between warm white and cold white.
  • the lamp 1 shown also has a temperature monitor for each lamp 3, 4, with the temperature sensors 12, 13 not being integrated into the lamps 3, 4, but being arranged outside the lamps 3, 4.
  • FIG 5 shows an operating device 2 according to a further exemplary embodiment of the present invention, in which a measuring resistor 15, 16 is provided for each output of the operating device 2.
  • the measuring resistors 15 and 16 are each arranged between the control device 6 and an output connection 17a, 17b or 18a, 18b, to which lamps 3, 4 can be connected, and during operation the current flowing through the respective lamp 3, 4 flows through them .
  • the voltage dropping across the measuring resistors 15 and 16 can be externally recorded at the measuring terminals 19a, 19b and 20a, 20b.
  • Each channel of the operating device 2 or the LED converter can be calibrated with the voltage recorded for a specific power specification, in which the recorded voltage or the recorded current is compared with the power or current specification and a fine adjustment corresponding to the determined deviation and a tolerance specification takes place.
  • the calibration can be done once, in particular during manufacture by adapting or adding a corresponding calibration value in the current control of the control software or by hardware calibration by using calibration resistors in the measuring path for the output current.
  • a channel/output of the operating device can be calibrated by adding a corresponding calibration value to the software in the current control, or by calibrating the hardware by using calibration resistors, for example, in the measurement path for the output current.
  • the operating device 2 shown can, via the connection 21a, 21b and the connection 22a, 22b, receive a signal which indicates the temperature of the lamp connected to the output connection 17a, 17b or a signal which indicates the temperature of the lamp connected to the output connection 18a, 18b 18a, 18b.
  • the lighting system works according to the DALI protocol and the operating device 2 can be a device of type 8 (DT8: "Device Type 8") with color control.
  • An operating device 2 of type 8 is controlled in the DALI system with just one address, for example to change the color temperature or the color location in a color space while the specified brightness remains the same, or to dim the brightness at a constant color temperature.
  • the lighting system according to the Digital Multiplex (DMX) control protocol, which is preferably used in stage and event technology to control spotlights and effect devices.
  • DMX Digital Multiplex
  • Both the number of signal types (operating device types) that can be converted by the operating device 2 and the number of output channels of the operating device 2 or the number of actuators or lamps that can be operated by the operating device 2 is not limited to two and can be arbitrary.
  • three channels can be used to control lamps 3, 4 with the colors red, green and blue.

Claims (5)

  1. Appareil de fonctionnement (2) permettant de faire fonctionner au moins deux moyens lumineux (3, 4) dans un système d'éclairage DALI basé sur un bus,
    dans lequel différents types d'appareils de fonctionnement sont prévus dans le système d'éclairage DALI basé sur un bus,
    dans lequel les types d'appareils de fonctionnement différents se rapportent à des appareils de fonctionnement (2) comportant des fonctionnalités différentes, lesquels sont prévus dans le protocole DALI,
    dans lequel l'appareil de fonctionnement (2) est un appareil de fonctionnement à deux canaux ou plus permettant de faire fonctionner séparément deux moyens lumineux (3, 4) ou plus parmi les au moins deux moyens lumineux (3, 4) sur les canaux respectifs ;
    dans lequel l'appareil de fonctionnement (2) présente un dispositif de commande (6) pour la commande de l'appareil de fonctionnement (2) en tant que premier type d'appareil de fonctionnement,
    dans lequel le dispositif de commande (6) est configuré pour traiter un signal de commande reçu d'une première spécification du protocole DALI ;
    caractérisé en ce que
    l'appareil de fonctionnement (2) est configuré pour traiter, en tant que second type d'appareil de fonctionnement, un signal de commande reçu d'une seconde spécification du protocole DALI,
    dans lequel le premier type d'appareil de fonctionnement et le second type d'appareil de fonctionnement sont des types d'appareil de fonctionnement d'une même norme,
    dans lequel le signal de commande reçu de la première spécification présente des informations concernant une température de couleur ainsi qu'un niveau de gradation,
    dans lequel le signal de commande reçu de la seconde spécification présente uniquement des informations concernant un niveau de gradation,
    dans lequel l'appareil de fonctionnement (2) présente un circuit d'entrée (5),
    dans lequel l'appareil de fonctionnement présente une première connexion (8a, 8b) et une seconde connexion (9a, 9b) respectivement pour la connexion de l'appareil de fonctionnement (2) au système d'éclairage DALI basé sur un bus,
    dans lequel le circuit d'entrée (5) est configuré, lorsque l'appareil de fonctionnement (2) est relié au système d'éclairage DALI basé sur un bus au moyen de la première connexion (8a, 8b), pour identifier de manière sélective ledit appareil de fonctionnement en tant que premier type d'appareil de fonctionnement,
    dans lequel le dispositif de commande (6) est configuré pour commander la tension fournie et/ou le courant fourni respectivement dans le premier canal et le second canal en fonction du signal de commande reçu de la première spécification ;
    ou
    lorsque l'appareil de fonctionnement est relié au système d'éclairage DALI basé sur un bus au moyen de la seconde connexion (9a, 9b), pour identifier ledit appareil de fonctionnement en tant que second type d'appareil de fonctionnement,
    dans lequel le circuit d'entrée (5) est équipé pour convertir le signal de commande reçu de la seconde spécification en un nouveau signal de commande comportant des informations concernant la température de couleur et le niveau de gradation sur la base des informations concernant le niveau de gradation du signal de commande reçu de la seconde spécification, et
    dans lequel le dispositif de commande (6) est configuré pour commander la tension fournie et/ou le courant fourni respectivement dans le premier canal et le second canal en fonction du nouveau signal de commande.
  2. Appareil de fonctionnement selon la revendication 1,
    dans lequel le premier type d'appareil de fonctionnement correspond à un appareil de fonctionnement selon la spécification DT8 de la norme DALI et le second type d'appareil de fonctionnement correspond à un appareil de fonctionnement selon la spécification DT6 de la norme DALI.
  3. Appareil de fonctionnement selon l'une des revendications 1 ou 2, présentant
    des moyens (15 ; 19a, 19b) permettant de détecter directement ou indirectement le courant fourni dans le premier canal et de délivrer un signal reproduisant ledit courant ; et
    des moyens (16 ; 20a, 20b) permettant de détecter directement ou indirectement le courant fourni dans le second canal et de délivrer un signal reproduisant ledit courant.
  4. Luminaire présentant un appareil de fonctionnement selon l'une des revendications 1 à 3 et au moins deux moyens lumineux (3, 4).
  5. Luminaire selon la revendication 4, présentant :
    des moyens (12, 13) permettant de détecter au moins la température d'un moyen lumineux (3) connecté au premier canal et la température d'un moyen lumineux (4) connecté au second canal, dans lequel
    le dispositif de commande (6) est configuré pour commander le moyen lumineux (3) connecté au premier canal et le moyen lumineux (4) connecté au second canal en tenant compte de la température respectivement détectée.
EP16201646.3A 2015-12-14 2016-12-01 Appareil de commande pour un système d'éclairage Active EP3182800B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015225056 2015-12-14
DE102016202245.8A DE102016202245A1 (de) 2015-12-14 2016-02-15 Betriebsgerät für ein Beleuchtungssystem

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EP3182800A1 EP3182800A1 (fr) 2017-06-21
EP3182800B1 true EP3182800B1 (fr) 2023-04-19

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WO2005117503A1 (fr) * 2004-05-28 2005-12-08 Zumtobel Lighting Gmbh. Actionneur a memoire destine a un systeme de gestion d'immeuble
DE102015207331A1 (de) * 2014-04-30 2015-11-05 Tridonic Gmbh & Co Kg Verfahren zur Adressierung von Leuchtmittelbetriebsgeräten
WO2015168719A2 (fr) * 2014-05-09 2015-11-12 Tridonic Gmbh & Co Kg Appareil de fonctionnement, luminaire et procédé d'alimentation en énergie d'un module à del

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