EP2319278A2 - Procédé de commande d'un appareil destiné à faire fonctionner des sources lumineuses, en particulier des del - Google Patents

Procédé de commande d'un appareil destiné à faire fonctionner des sources lumineuses, en particulier des del

Info

Publication number
EP2319278A2
EP2319278A2 EP09722846A EP09722846A EP2319278A2 EP 2319278 A2 EP2319278 A2 EP 2319278A2 EP 09722846 A EP09722846 A EP 09722846A EP 09722846 A EP09722846 A EP 09722846A EP 2319278 A2 EP2319278 A2 EP 2319278A2
Authority
EP
European Patent Office
Prior art keywords
transmission
operating device
control commands
digital control
transmission format
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.)
Withdrawn
Application number
EP09722846A
Other languages
German (de)
English (en)
Inventor
Reinhard BÖCKLE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tridonic GmbH and Co KG
Original Assignee
Tridonic GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Publication of EP2319278A2 publication Critical patent/EP2319278A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • 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 invention relates to a method for controlling at least one operating device for lighting means, in particular LED, according to the preamble of patent claim 1, a lighting system with a control device and at least one operating device for operating light sources, in particular LED, according to the preamble of claim 12, an operating device for operating light-emitting means, in particular LED, with an interface circuit for receiving digital control commands via a bus line and a converter for operating the light-emitting means according to the preamble of patent claim 17 and a control device for a
  • Such methods are used to control operating devices for lighting and are used in lighting systems to turn on and off bulbs by means of a central control unit and adjust the brightness.
  • the bulbs are driven by operating devices.
  • the operating devices are grouped together and can be controlled by one or several central control units.
  • Lamps are both gas discharge lamps as well as halogen lamps or light emitting diodes (LED) called. Such a light source can individually or together with be arranged further bulbs in a luminaire, which may also contain the operating device.
  • LED light emitting diodes
  • the operating devices may be provided with an address in order to enable a single or group-wide control by the central control unit.
  • a widely used control method is the control of lighting systems according to the DALI (Digital Addressable Lighting Interface) standard.
  • DALI Digital Addressable Lighting Interface
  • This standard defines an interface and a transmission format for the digital control of operating devices, whereby addresses can be assigned for the individual operating devices.
  • the operating devices can be switched on and off via the external control commands or controlled in the brightness, in addition, a special operating condition such as an emergency lighting state can be initiated and error messages are queried.
  • the DALI standard is 16 bit Manchester code, which allows a maximum dimming speed with a brightness change from 1% to 100% in just 0.7 seconds. , The high level is in the region of about 16V, the low level at a voltage of about 0 volts. Control according to the DALI standard limits the number of possible addresses within a lighting system to a defined value (65 addresses for one area). This number is especially for
  • Lighting systems with bulbs of different colors often insufficient. Therefore, in today's lighting systems with a higher need for addresses, a subdivision of the lighting system is made to multiple subsystems, but this division requires an increased number of control devices and thus increases both the expense of installing such a lighting system and the complexity of the control devices that are used in In this case, control and monitor a multi-stage lighting system.
  • the operating device monitors the time sequence of the brightness commands and adjusts the speed of the brightness change, which was initiated by means of a control command, to this time sequence.
  • a brightness change can be well perceived, especially at low levels of brightness. In particular, in the case of slow changes in brightness, it is therefore very important that this takes place continuously and with a very small step size of brightness levels.
  • the viewer can step by step
  • Brightness change as unpleasant In particular, in the use of different colored bulbs to change the color of the lighting system or the lamp can already be perceived by the viewer a very small change in color.
  • Brightness levels especially in color change applications, limit the brightness range and the speed that can be used for brightness changes.
  • a change or adaptation of such a standardized method means a great effort in the implementation by the user. It must adapt their respective products to the agreed standard and be trained on the appropriate standard and the customers, especially the lighting manufacturer and install such lighting systems and operate the experts, both the manufacturer of the respective operating devices and the 'manufacturer of the control units and comply with the relevant requirements.
  • the inventive solution for controlling operating devices is based on the idea that selectively a first transmission of control commands according to a defined standard transmission format or by the choice of the user one of this first
  • Transmission format deviating second transmission format can be used. Both transmissions are carried out by means of digital control commands, which are sent from one or more central control units to at least one operating device.
  • Standard transmission format corresponds to, to ensure the highest possible compatibility for the control units and
  • Illuminated system adapted modified transmission with a second transmission format and to use for the transmission of control commands.
  • the transmission rates of the two transmissions differ from one another.
  • a higher transmission rate can be selected than is permitted for the first transmission according to the established standard.
  • the transmission formats may differ in the edge steepness of their signals, in the level level or even in the number of bits of the signals.
  • the second, freely selectable transmission can also be characterized by additional control commands, which can provide further options for the control of the operating devices. Due to these additional control commands, for example, a larger number of addresses or a larger number of brightness levels can be realized by means of such a transmission with an additional transmission format.
  • a control command according to the invention is not just an ON command, OFF command or newer
  • Brightness value that can be transmitted to an operating device may also contain advanced information.
  • a color information or a color command, an address, a state information or an error signal can be transmitted as a control command.
  • the user at the control unit can stop the transmission. He can choose the transmission according to an established standard or specify a second transmission.
  • An advantageous application of a freely selectable transmission results from the scaling of the transmission rate of the first transmission.
  • a multiplication of set first transmission rate, in particular a doubling or tripling the transmission rate ' can be selected by the user.
  • Such a transmission by multiplying the first transmission rate can be advantageously selected by a special control command.
  • This control command can be sent both to the connected control units and to the operating devices. Upon receipt of this special control command, the controllers and / or the operating devices change their transmission in accordance with the control command.
  • At least one control device the transmission to be selected by the user or another specification can be specified.
  • the other participants of the lighting system on the basis of the detected transmission adaptive their transmission for receiving and sending control commands.
  • other devices connected to the bus line or control devices are referred to in the further description.
  • the transmission is analyzed by the other participants of the lighting system after the start of a transmission of control commands.
  • the invention also relates to a lighting system with a control device and at least one operating device for operating light sources, wherein the control device can send digital control commands to at least two different transmission formats.
  • the invention also relates to a device for receiving control commands by an operating device of Lamps.
  • the operating device has a driver circuit for operating the luminous means.
  • the operating device has an interface circuit. In accordance with the received control commands, the operating device can control the operation and the brightness of the lighting device via the driver circuit.
  • the operating device can monitor the transmission via its interface circuit and analyze the transmission based on the received control commands. According to the detected transmission, the operating device can adapt its interface circuit to this transmission. The detection of the transmission can advantageously take place on the basis of the evaluation of the transmission rate of the received control commands.
  • a control device for an illumination system can also receive digital control commands according to at least two different transmission formats, wherein the control device can independently recognize on the basis of the received digital control commands, according to which transmission format the control commands are sent.
  • FIG. 1 shows schematically the embodiment of an operating device according to the invention for an LED as a light source
  • FIG. 2 schematically shows the configuration of a
  • FIG. 3 is a schematic timing diagram for explaining the transmission of control commands according to the invention
  • the invention will be explained with reference to an embodiment of an operating device for an LED.
  • the present invention can be applied to all types of lighting apparatus.
  • the use of very different bulbs is possible, it can be used in particular gas discharge lamps, halogen lamps or inorganic or organic light-emitting diodes.
  • a control circuit 2 which controls and monitors all functions of the components of the operating device 1.
  • the operation of the converter 3 is controlled and. monitored, in particular also regulated.
  • the converter 3 is connected via connections to the power supply network 20 and receives the energy required to operate the lamp.
  • the lamp controls the operation of the lamp, in particular the brightness of the lamp.
  • a light source is a lamp LED to the converter 3 of the Operating unit 1 connected.
  • the converter 3 assumes both the task of correct power consumption from the power supply network 20, which may be predetermined by the provisions of the energy supplier. Above all, this task can involve a sinusoidal current consumption with as few high-frequency disturbances as possible. Of the . Converter 3 may therefore include a so-called filter for avoiding high-frequency noise, which may either come from the power supply network 20 or generated by the converter 3, as well as an active power factor correction circuit. In addition, the converter 3 ensures the proper operation of the lamp LED. In particular, he can adjust the current and / or voltage • through the lamp LED or regulate. In a particular embodiment, the
  • Converter 3 also designed as a multi-stage converter, 'to divide' the various tasks of the individual stages of the converter 3. 'Advantageously, is ensured by a stage, the correct current consumption from the power supply network 20, a subsequent stage ⁇ controls the operation of the lamp LED.
  • the power grid 20 may be a low frequency AC voltage with a voltage of 230V or a DC voltage of 24V. Depending on the type of power supply network 20, the
  • Converter 3 may be designed as a DC-DC converter or AC-DC converter.
  • the converter 3 may include an energy store (Cbus), which may be formed by a storage capacitor or a rechargeable battery.
  • the operating device 1 and the control unit 10 are part of a lighting system A.
  • the control circuit 2 is further connected to the interface circuit 4.
  • Interface circuit 4 is connected to the bus line 21. Via the bus line 21, the control commands sent by the control unit 10 are transmitted. These control commands are received by the interface circuit 4 and forwarded to the control circuit 2.
  • the control circuit 2 can evaluate and store the control commands. According to the transmitted control commands, the control circuit 2 can control the operation of the lamp LED by the converter 3.
  • the control circuit 2 can also monitor the operation of the lamp LED and the converter 3 and s.enden in the event of a fault or special event of this ' detection and via the interface circuit 4 and the bus line 21 a corresponding control command to the control unit 10 s.enden.
  • further control devices 11 may be connected to the bus line 21 '.
  • the various control devices 10 and 11 may be different sensors such as motion or brightness sensors, but also actuators controllable by a user, such as switches, buttons or touch-sensitive screens with a user interface for lighting control.
  • the control circuit 2 may include a memory 8 or drive an external memory 8, which is present in the operating device 1.
  • the bus line 21 is formed as a two-wire data line, which as a control command with a digital signal a low DC voltage transmits. For example, a data transmission according to the DALI standard is transmitted via the bus line 21.
  • Interface circuit 4 and controller 10 are capable of receiving control commands in accordance with the DALI standard. However, according to the invention, it is' possible to alternatively select to the data transmission according to the standardized transmission a transmission with different parameters. Due to the ability to transfer data according to DALI standard of both the
  • a further transmission mode deviating from the DALI standard can be transmitted.
  • the transmission rate for the control commands can be increased or decreased many times, ideally the transmission rate is doubled or tripled.
  • the edge steepness of the transmitted signals can be increased or reduced by a multiple, ideally the slope is doubled or tripled.
  • the amplitude of the signals to be transmitted can be changed in a similar manner.
  • the data transmission of the control commands via the bus line 21 does not have to be wired, but it can be transmitted for example wirelessly via a radio link or via a power line communication (PLC) via the power grid 20.
  • PLC power line communication
  • Transmission variants exist in each case standardized transmission methods analogous to the DALI standard for wired data transmission, wherein according to the inventive method, a modified data transmission via the same bus line 21 can take place.
  • the change can be specified by the user to the control unit 10.
  • the user can specify the control unit via a command, for example, the factor of changing the transmission rate.
  • This command represents a special control command.
  • the control unit then adapts its transmission rate with which it transmits the control commands to the bus line 21 in accordance with the user command. In the same way, for example, the slope or the amplitude of the transmission can be adjusted.
  • Control unit 10 adapts its transmission, it can inform by a special control command via the bus line 21, the other control units 11 and the connected equipment over the change of transmission.
  • the other control devices 11 and the connected operating devices 1 are hereinafter also referred to as bus subscribers'.
  • the controller 10 can adjust its transmission rate according to the specification for the transmission to be selected and after adjustment of the transmission rate at a first control by a user or a first activation of an existing sensor, the control commands with the adjusted transmission rate via the bus line 21 transmit the further bus subscribers.
  • These bus participants monitor the bus line and analyze the transmission rate of the bus
  • the changed transmission rate is a multiple of the first, standardized transmission rate.
  • the bus subscribers based on the measured transmission rate from one in the
  • control circuit 2 stored reference table the
  • Such a reference table can be stored in the memory 8 which is present in the operating device 1. about
  • Reference table can be adapted or extended.
  • control circuit 2 "reads the control circuit 2, the control commands which are transmitted from the controller 10 via the bus line 21, from the interface circuit 4 from.
  • the control circuit 2 the received control commands in the memory 8 cache and analyze based on their transmission rate.
  • the transmission rate is defined by the bit length of the individual components of the control commands.
  • control unit 10 can automatically calculate the optimum transmission rate on the basis of the desired maximum speed for the change in brightness, which can be preset by the user by programming the sequence of the different brightness values or other illumination parameters. As a result, an optimal compromise between the required speed for the change in brightness and the maximum permissible transmission rate for secure data transmission can be achieved.
  • the transmission rate By adjusting the transmission rate, the lighting system can be better adapted to specific user requirements. ' Thus, for example, by a multiplication of
  • the transmission rate by increasing the transmission rate, a higher number of brightness levels or a higher number of addresses can be achieved.
  • the data length of the control commands to be transmitted can also be increased.
  • a 3-byte control command or even a 4-byte control command can be sent for addressing. In this way, with a doubling of the transmission rate and a
  • the control unit 10 can carry out a check in order to check whether the further bus subscribers, such as, for example, the operating unit 1, can record the adapted data transmission and adapt their data transmission to it.
  • the control unit 10 can send a control command for status query to the individual bus subscribers. If the individual bus users can adapt their data transmission, they will send back a status feedback control command according to the customized data transfer. If there is no status feedback, the control unit 10 must assume that the addressed bus subscriber (s) are not capable of adapting the data transmission. In this case, the controller 10 must reset its data transfer back to the first data transfer.
  • the controller could. 10 on the basis of the known addresses (these have been awarded in the lighting system at startup) query each individual bus subscriber such as the operating device 1 and check whether the adapted data transmission can be used.
  • control circuit 2 in the operating device-1 on the basis of the changed transmission determines that the transmission format has been changed to transmit the digital control commands, or if the transmission format for transmitting the digital control commands by means of a. changed special control command, the control circuit 2 can store in the memory 8 information about the last selected transmission format for transmitting the digital control commands. This storage of information can also be done at regular intervals or after every first receipt of a control command after 'switching on the operating device by switching on the power supply.
  • Bus line 21 drives. ⁇ At this bus line 21 a further control device 11 is connected.
  • the operating device 1 has a rectifier 14, which is connected to the power supply network 20.
  • the power absorbed by the rectifier 14 is transmitted to a DC link circuit 15, which is an active power factor correction circuit (PFC) and a Can contain energy storage.
  • PFC active power factor correction circuit
  • the control circuit 2 is connected via the interface circuit 4 to the bus line 21 and can thus receive the commands sent by the ' control unit 10 control commands.
  • the control unit 11 can monitor and analyze the data transmission via the bus line 21. If it detects a change .der transmission rate by the controller 10, it can also adjust its transmission rate for the control commands to be sent and received. In the same way, the operating device 1 'can adjust its transmission rate for the control commands to be sent and received.
  • Fig. 3 shows a timing diagram and is intended to illustrate the transmission of control commands according to the invention. Shown here is a signal A according to the DALI standard, which has a defined transmission rate. The length of a control command is fixed, as well as the amplitude and slope of the signal. A control command according to DALI standard consists of 16 bits, whereby the
  • User data transfer rate is 1200 bits per second.
  • the bit length is 416us. This so-called bit length determines the transmission rate with which the control commands be transmitted.
  • the allowable edge steepness is in the range of 10us up to 100us.
  • a second signal B which has twice the transmission rate of the signal A 5.
  • the slope of this signal can be in the range of 5us to 30us.
  • the bit length can be reduced to 213us, but it can also be reduced to a range of 100us to 150us.
  • the second signal B may also differ from the signal A in the edge steepness of its signals, in the level level or even in the number of bits of the signals.
  • the two different transmission formats may also differ in their transmission in that the first transmission format uses a so-called 'active low' transmission, i. it is permanently a level
  • the second transmission format can be a signal with a so-called, Active High '
  • Levels of, for example, OV are present as long as no data is being transmitted.
  • the level for transmitting a bit is increased to, for example, 12V.
  • the 'Active High' transmission has the advantage that no permanent power to the bus line 21 is required and thus the control units 10 can be completely switched off in the absence of bus activity.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un procédé de commande d'un appareil (1) destiné à faire fonctionner des sources lumineuses, en particulier des DEL. Selon l'invention, l'appareil peut recevoir des instructions de commande numérique selon au moins deux formats de transmission différents et ces formats de transmission présentent des caractéristiques de transmission différentes. Les deux formats de transmission peuvent se distinguer par leur débit. Ainsi, il est possible de sélectionner aussi bien une transmission correspondant à un format de transmission normalisé établi, afin d'obtenir une compatibilité la plus grande possible avec les unités de commande d'un système d'éclairage et les appareils destinés à faire fonctionner un tel système d'éclairage, qu'une transmission modifiée adaptée à des exigences particulières du système d'éclairage avec un second format de transmission et d'utiliser ce second format de transmission pour la transmission d'instructions de commande.
EP09722846A 2008-03-18 2009-03-16 Procédé de commande d'un appareil destiné à faire fonctionner des sources lumineuses, en particulier des del Withdrawn EP2319278A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0016308U AT10601U1 (de) 2008-03-18 2008-03-18 Verfahren zur ansteuerung fur ein betriebsgerat fur leuchtmittel, insbesondere led
PCT/AT2009/000110 WO2009114889A2 (fr) 2008-03-18 2009-03-16 Procédé de commande d'un appareil destiné à faire fonctionner des sources lumineuses, en particulier des del

Publications (1)

Publication Number Publication Date
EP2319278A2 true EP2319278A2 (fr) 2011-05-11

Family

ID=40550007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09722846A Withdrawn EP2319278A2 (fr) 2008-03-18 2009-03-16 Procédé de commande d'un appareil destiné à faire fonctionner des sources lumineuses, en particulier des del

Country Status (5)

Country Link
EP (1) EP2319278A2 (fr)
CN (1) CN102150477A (fr)
AT (1) AT10601U1 (fr)
DE (1) DE112009000472A5 (fr)
WO (1) WO2009114889A2 (fr)

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
DE102010054784A1 (de) * 2010-08-31 2012-03-01 Cp Electronics Gmbh Leuchtensystem
DE102013212789A1 (de) * 2013-03-22 2014-09-25 Zumtobel Lighting Gmbh Beleuchtungssystem und Leuchte mit Notlichtfunktion
AT15808U1 (de) * 2013-04-26 2018-07-15 Tridonic Gmbh & Co Kg Betriebsschaltung für ein Leuchtmittel und Verfahren zur Datenübertragung
DE102017219659A1 (de) * 2017-11-06 2019-05-09 Tridonic Gmbh & Co Kg Erweiterte Signalisierungsmöglichkeit in einem DALI-System
EP3719981A1 (fr) * 2019-04-04 2020-10-07 Tridonic GmbH & Co. KG Étage llc pour pilotes de del
CN112769839A (zh) * 2021-01-14 2021-05-07 南京美加杰智能科技有限公司 一种dali可变通讯速率的实现方法

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DE10323689A1 (de) * 2003-05-22 2004-12-09 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Steuerbare Lichtanlage mit zweitem Kommunikationsprotokoll und Geräte hierfür
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Also Published As

Publication number Publication date
AT10601U1 (de) 2009-06-15
WO2009114889A3 (fr) 2011-03-10
CN102150477A (zh) 2011-08-10
DE112009000472A5 (de) 2011-05-05
WO2009114889A2 (fr) 2009-09-24

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