EP2587894A2 - Appareil de commande pour des appareils de fonctionnement dirigés par bus - Google Patents

Appareil de commande pour des appareils de fonctionnement dirigés par bus Download PDF

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Publication number
EP2587894A2
EP2587894A2 EP12187804.5A EP12187804A EP2587894A2 EP 2587894 A2 EP2587894 A2 EP 2587894A2 EP 12187804 A EP12187804 A EP 12187804A EP 2587894 A2 EP2587894 A2 EP 2587894A2
Authority
EP
European Patent Office
Prior art keywords
bus
control unit
dali
input
signals
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Withdrawn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
EP12187804.5A
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German (de)
English (en)
Inventor
Jonathan Hackel
Martin Hintzen
Peter Braunschmid
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.)
Vossloh Schwabe Deutschland GmbH
Vossloh Schwabe GmbH
Original Assignee
Vossloh Schwabe Deutschland GmbH
Vossloh Schwabe GmbH
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 Vossloh Schwabe Deutschland GmbH, Vossloh Schwabe GmbH filed Critical Vossloh Schwabe Deutschland GmbH
Publication of EP2587894A2 publication Critical patent/EP2587894A2/fr
Withdrawn legal-status Critical Current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
    • 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 control device which is set up for the central control of several connected operating devices, for example ballasts of discharge lamps or LED light sources.
  • the central control of several operating devices or other energy consumers is basically known.
  • the DE 10 2004 053 709 A1 discloses ripple control systems with a central ripple control transmitter and decentralized ripple control receivers. Communication can take place via the power connections of the consumers or via a radio link.
  • the associated DALI bus is a two-wire bus in which the information from the central control unit to the connected energy consumers via voltage pulses that comply with the regulations for safety extra-low voltages.
  • the bit sequences to be transmitted are encoded as alternating signals.
  • the data exchange is bidirectional possible.
  • the associated standards are classified in the IEC62386 series of standards. The data transmission takes place in the Manchester code.
  • the central DALI control unit usually has a mains voltage input and a bus input / output interface for communication with the connected operating devices on.
  • the DALI control unit usually has at least one control input via which manually given keying signals can be received. This input is normally set to receive 230 volt signals. He is charged via a button with mains voltage pulses.
  • the DALI bus is basic insulated.
  • An input device push-button, also in basic insulation, results in double insulation for the end user.
  • In the DALI control unit for the power supply of the device is a galvanically isolated from the network, running in basic insulation, but provided by this powered operating voltage supply.
  • At least one optocoupler is provided at the control input to keep the mains voltage pulses arriving for control from the protected portion of the circuit and the DALI bus.
  • the control input can be used for switching on and off commands, dimming commands or similar.
  • the information encoded on the DALI bus in the form of voltage pulses is disregarded by the keypad input. Rather, the fact is used that regardless of the direction of the flow of information on the DALI bus and regardless of the transmitted information content in any case on average on the DALI bus, a voltage is present, which corresponds to half the maximum voltage.
  • Running on the DALI bus for example, 20 volt pulses are available on average over 10 volts regardless of the information content.
  • the signals running on the DALI bus are usually coded to a carrier frequency which is at least 1 kHz, but preferably more.
  • the data rate on the DALI bus is 1200 baud according to IEC 62386. Manchester coding gives a bit time of 416.67 ⁇ s. Accordingly, individual pulses on the DALI bus take less than 500 ⁇ s.
  • the carrier frequency is eliminated in the keypad input by at least one suitable filter. This filter can be mapped both in hardware and by a software filter.
  • Manual input signals are detected by time evaluation of the signals.
  • a manual input signal can be detected, for example, when a minimum time for the presence of a key signal is exceeded. Such a minimum time For example, it may be set to a value of tens of milliseconds, for example 80 milliseconds.
  • a short one-time push-button operation for example, the reception of a pulse train of DALI carrier signals can be interpreted, which exceeds a minimum time limit of tens of milliseconds, for example 80 milliseconds and falls below a time limit of a few hundred milliseconds, for example 400 or 500 milliseconds, preferably 460 milliseconds.
  • the received pulse sequence is longer, this can be understood as a continuous operation, ie as a long press of the button and be used for example as a dimming function.
  • long presses can be grabbed in a time window of several hundred milliseconds to several seconds, eg 460 milliseconds to 10 seconds. It is possible to do without a time limit here. However, it is also possible to set a time limit to exclude errors or to provide special functions such as the synchronization of operating devices.
  • the supply module contains a galvanic isolation, it is possible to operate the control unit on the public terrestrial network. However, this is not mandatory. If necessary, the supply module can be supplied via an external source which is not hazardous to persons Potential difference to the earth has. In this case, a potential separation is dispensable.
  • probe signal input to probe signals that match the I / O bus interface opens up the possibility of feeding in probe signals, which also come from other low-voltage sources.
  • galvanic isolation at the key signal input is not required.
  • the absence of a galvanic isolation makes it possible in particular to get along with very small signal currents at the Tastsignaleingang.
  • a low-pass filter is connected to the Tastsignaleingang device internally.
  • its time constant is greater than the duration of a bus pulse.
  • Signals are preferably transmitted on the bus by digitally phase-modulated clock signals.
  • a change signal namely the phase-modulated clock signal present.
  • This is preferably coded in the Manchester code.
  • the bus signals can thus be used independently of their information content as a voltage source for the hand-operated push button to be connected and the Tastsignaleingang.
  • the low-pass filter the always constant DC component of the bus signals can always be determined.
  • the alternating component ie the carrier clock signal, is filtered out, on the other hand.
  • the Tastsignaleingang is polled by a microcontroller with a polling frequency cyclically. Alternatively, monitoring of switching edges in the received signals may take place.
  • FIG. 1 Figure 10 illustrates a system 10 that includes a plurality of power consumers 11, 12, 13 and a central controller 14.
  • the energy consumers 11, 12, 13 can be energy consumers of all kinds. Preferably, it is ballasts of or for lamps, such as gas discharge lamps, such as fluorescent lamps, or high pressure discharge lamps, such as HID lamps, or solid state light sources, such as LEDs or halogen lamps.
  • the energy consumers 11, 12, 13 are connected to a supply network 15, which comprises a live line L and a neutral conductor N.
  • the live line L carries mains voltage, eg 120 V, 60 Hz or 230 V, 50 Hz or, for non-public networks, other voltages and frequencies or DC voltage.
  • another voltage-carrying conductor may be provided which, for example, like the voltage-carrying line L, carries mains voltage which may be out of phase with the voltage of the line L.
  • the bus 16 which connects the controller 14 with the power suppliers 11, 12, 13.
  • the bus 16 comprises at least one line 17, the signals defined with respect to a reference potential, e.g. Voltage signals leads.
  • the voltage signals may be defined relative to common ground potential or, as preferred, to a second line 18. It is then a two-wire bus.
  • the line 18 is connected to a circuit-internal ground potential of the power consumers 11, 12, 13 and / or the control unit 14. It can be galvanically isolated from the neutral conductor N. Alternatively, it can also be connected to this.
  • the bus signals are transmitted on the bus 16 as voltage pulses. It is noted, however, that the information transmission can also take place in the form of current pulses.
  • the signals transmitted on the bus 16 serve to switch on or off individual or all energy consumers 11, 12, 13 or to control them in any other suitable way.
  • the control unit 14 can transmit dimming signals to the energy consumers 11, 12, 13 in order, for example, to set different light brightnesses.
  • the bus 18 can operate bidirectionally, so that optionally the energy consumers 11, 12, 13 can also send information to the control unit 14.
  • the control unit 14 has a keypad input 19, via which it can receive commands. Such commands may be given by an operator by means of a button 20. This is connected at one end to the key signal input 19. Another end thereof is connected to the line 17. In this way, an operator can selectively connect the keypad input 19 to the line 17 by means of the button 20 by pressing the button 20. As long as the button 20 is actuated, the bus signals of the line 17 reach the Tastsignaleingang 19th
  • the controller 14 also includes an I / O bus interface 21 to which the lines 17, 18 of the bus 16 are connected. Accordingly, the energy consumers 11, 12, 13 at least for the reception, but possibly also for the transmission of signals suitable inputs 22, 23, 24.
  • the structure of the controller 14 goes out Fig. 2 closer. As can be seen, it has for connection to the live line L and the neutral conductor N and for power supply to a supply module 25, the is set up to remove power from the power supply network 15 and to provide this with galvanic isolation and implementation preferably as DC voltage of a control device 26 available.
  • the supply module 25 may be any type of suitable power supply. For example, it may be a PFC (Power Factor Correction) circuit. Such a PFC circuit is for example a suitable switching power supply. It represents an active PFC circuit, which is connected directly downstream of a rectifier. It contains a galvanically isolating transformer 27 and provides at its output a DC voltage of eg 20 V for supplying the control device 26 ready.
  • PFC Power Factor Correction
  • the control device 26 is preferably designed on the basis of a microcomputer and thus contains a microcontroller 28 (FIG. Fig. 3 ). At least one input of the same is over Fig. 3 apparent low-pass filter 29 connected to the Tastsignaleingang 19.
  • the low-pass filter 29 includes at least one resistor R and at least one capacitor C, which define a time constant, which is preferably in the range of a few milliseconds. Preferably, however, the time constant determined by the product of the value of the resistor R with the value of the capacitor C is greater than at least the duration of a bus signal. Instead of the hardware implemented filter this can also be replaced by a software routine.
  • the low-pass filter 29 may be associated with other components, such as a Zener diode 30 to protect the Tastsignaleingang 19 against overvoltages.
  • the DC voltage provided by the supply module 25 is applied to one (or two) terminals arranged on the housing and can be used to supply the probe 20.
  • the DC voltage supplied to the outside will replace the voltage otherwise available on the Dali bus and the button 20.
  • the bus signal B is Manchester encoded. It is an example of a digital phase modulated clock signal.
  • the phase modulation is 0 for the signal 1 and 180 ° for the signal 0.
  • the mean value of the bus signal B is independent of the information content of 0 different.
  • the mean value corresponds to half the signal voltage in the case of data transmission. Otherwise, if no data is transmitted on the Dali bus, the dormant DC voltage is applied to the Dali bus.
  • the bus can thus be used in each bus state as a voltage source for the button 20.
  • Fig. 5 is a key signal S shown. As can be seen it consists of a pulse train.
  • the bus signal B is applied to the key signal input 19.
  • the low-pass filter 29 derives therefrom an input signal E for the microcontroller 28 because the time constant of the low-pass filter 29 preferably significantly exceeds the duration of a bus signal B, the bus signal B is almost completely smoothed and a clearly evaluable input signal results.
  • This is preferably polled by the microcontroller 28 cyclically.
  • the polling cycle is preferably significantly shorter than the shortest expected button actuation.
  • the polling cycle is significantly less than 80 milliseconds. Preferably, it is in the range of 1 millisecond or less.
  • the signals given by the button 20 are detected by the control unit 14 and evaluated. Shorter pushbuttons, for example between 80 and 460 milliseconds, may e.g. be interpreted as on and off signals for the energy consumers 11, 12, 13.
  • the control unit 14 then sends corresponding on and off commands in the form of bus signals B to the energy consumers 11, 12, 13. Longer pushbutton operations, for example longer than 460 milliseconds, can be used as long operations to set dimming levels. Again, corresponding commands are sent as bus signals B to the power consumers 11, 12, 13.
  • the present system 10 utilizes the fact that there is voltage on the bus 16 even when there is no information transfer. If no information is transmitted, the full voltage is on the bus. When information is transmitted, the clock signal T is phase modulated. Regardless, it can be used as a voltage source for a push button 20 are used, are given to the manual control commands to a control unit 14.

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  • Selective Calling Equipment (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP12187804.5A 2011-10-24 2012-10-09 Appareil de commande pour des appareils de fonctionnement dirigés par bus Withdrawn EP2587894A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011054748.7A DE102011054748B4 (de) 2011-10-24 2011-10-24 Steuergerät für busgesteuerte Betriebsgeräte

Publications (1)

Publication Number Publication Date
EP2587894A2 true EP2587894A2 (fr) 2013-05-01

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EP12187804.5A Withdrawn EP2587894A2 (fr) 2011-10-24 2012-10-09 Appareil de commande pour des appareils de fonctionnement dirigés par bus

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EP (1) EP2587894A2 (fr)
DE (1) DE102011054748B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT517434A1 (de) * 2015-06-29 2017-01-15 Lunatone Ind Elektronik Gmbh Netzteil zur energieversorgung eines digitalen drahtgebundenen informationsbussystems
AT17477U1 (de) * 2017-11-06 2022-05-15 Tridonic Gmbh & Co Kg Erweiterte Signalisierungsmöglichkeit in einem DALI-System

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015104940U1 (de) * 2015-09-17 2016-12-20 Tridonic Gmbh & Co Kg Anschlussklemme mit Bus-Ausgangsanschluss zur Bereitstellung einer DC-Busspannung für wenigstens ein Betriebsgerät
EP3823421B1 (fr) * 2019-11-14 2024-01-03 Tridonic GmbH & Co KG Pilote à del avec interface de bus pfc et câblée

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004053709A1 (de) 2004-11-03 2006-05-04 Schneck, Katrin, Dr. Vorrichtung und Verfahren zur Fernsteuerung elektrischer Energieverbraucher

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10143486A1 (de) 2001-09-05 2003-04-03 Siemens Ag Lichtmanagementsystem mit elektronischen Vorschaltgeräten EVG
DE10345611A1 (de) 2003-09-29 2005-04-21 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Datenkonverter für eine Beleuchtungsanlage und Verfahren zum Betreiben einer Beleuchtungsanlage

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004053709A1 (de) 2004-11-03 2006-05-04 Schneck, Katrin, Dr. Vorrichtung und Verfahren zur Fernsteuerung elektrischer Energieverbraucher

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT517434A1 (de) * 2015-06-29 2017-01-15 Lunatone Ind Elektronik Gmbh Netzteil zur energieversorgung eines digitalen drahtgebundenen informationsbussystems
AT17477U1 (de) * 2017-11-06 2022-05-15 Tridonic Gmbh & Co Kg Erweiterte Signalisierungsmöglichkeit in einem DALI-System

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DE102011054748A1 (de) 2013-04-25
DE102011054748B4 (de) 2017-03-02

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