EP2783551A1 - Anschlusserkennung von led-einheiten - Google Patents
Anschlusserkennung von led-einheitenInfo
- Publication number
- EP2783551A1 EP2783551A1 EP12816638.6A EP12816638A EP2783551A1 EP 2783551 A1 EP2783551 A1 EP 2783551A1 EP 12816638 A EP12816638 A EP 12816638A EP 2783551 A1 EP2783551 A1 EP 2783551A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control unit
- module
- central control
- operating devices
- internal bus
- 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.)
- Granted
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
- 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
- H05B47/198—Grouping of control procedures or address assignation to light sources
-
- 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
-
- 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
- H05B47/183—Controlling the light source by remote control via data-bus transmission using digital addressable lighting interface [DALI] communication protocols
-
- 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
- H05B47/185—Controlling the light source by remote control via power line carrier transmission
-
- 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
- H05B47/198—Grouping of control procedures or address assignation to light sources
- H05B47/199—Commissioning of light sources
Definitions
- the invention relates to a connection detection for
- Illuminant according to the preamble of patent claim 1 a method for connection detection according to the preamble of patent claim 2 and a lighting system with at least one light source according to the preamble of claim 10.
- Operating equipment used for lighting and are used in lighting systems to switch on and off bulbs using a central control unit and adjust the brightness.
- the bulbs are driven by operating devices.
- the operating devices are grouped together and can be from one or more central
- Control units are controlled. With the term
- Lamps are both gas discharge lamps as well as halogen lamps or light emitting diodes (LED) called. Such a light source can be arranged individually or together with other light sources in a luminaire, which may also contain the operating device.
- LED light emitting diodes
- the object of the invention is for a method
- Fig. 1 shows an embodiment of an LED
- Fig. 3 shows a part of an embodiment of an LED lighting system
- Fig. 4 shows an embodiment of the signal transmission in normal operation
- the invention is based on a
- the present invention can be applied to all types of lighting apparatus.
- the application of very different bulbs is possible, it can be particularly inorganic or ode
- the operating device 1, ⁇ , V ', V x , V y , and the central control unit 12 are part of an LED
- the bus line 6 is designed as a two-wire data line, which transmits a digital signal with a low DC voltage as the control command.
- a digital signal with a low DC voltage as the control command.
- Control commands via the bus line 6 does not have to be wired, but it can, for example, wirelessly via a radio link or via a power line
- the central control unit 12 can optionally control one or several operating devices 1 of lighting devices via a bus line 6, wherein they can receive and also send digital control commands.
- the central control unit 12 can control a plurality of independent operating devices 1 and at the same time supply them with a supply voltage (the central control unit 12 assumes the function of a
- the independent operating devices 1 can by
- the supply by the central control unit 12 may, for example, by a stabilized
- the central control unit 12 also includes a potential separation such as. A transformer and preferably also an active power factor correction circuit.
- the central control unit 12 can be connected to a mains voltage (for example 230 V AC).
- Lighting system (as with ongoing supply by the central control unit 12) to connect individual operating devices to the central control unit 12 or to separate.
- central control unit 12 via directly connected buttons or switches, by a
- Interface to a programming device through a touch screen or other adjustment options can also be configured and controlled directly by a user. Due to the direct control possibility, the user can also control commands such as brightness values
- the light sources which are supplied and controlled by at least one operating device 1, 1 ', 1 ", V x , V y depending on commands of a central control unit 12, can have an address.
- the assignment of the operating devices 1, ⁇ , 1 '', x , 1 ' y to be given address A (also called short address A) can be due to the temporally determined load behavior of the operating devices (1, 1', 1 '' ..) ..
- address A also called short address A
- Preset address L be stored.
- default address L also called Long Address L
- each operating device 1, V, V ', V *, 1' y or each bulb has a unique, only once assigned address.
- a terminal detection for an LED lighting system (BA) is proposed, wherein LED (8) as, lighting means by at least one operating device (1, V, V '..) are controlled depending on commands of a central control unit (12) marked through the
- the modular circuit concept according to the invention has a first module 12, which is preferably supplied with the input voltage 9, in particular mains alternating voltage. This input voltage 9 is supplied to a first sub-module A, the
- Input voltage 9 is applied AC voltage, in which case the rectified AC voltage of an actively clocked PFC (Power Factor Correction) circuit of the sub-module A, if present, is supplied.
- PFC Power Factor Correction
- the output voltage of the first submodule A is a DC voltage, referred to below as "VBus", which is supplied to a second submodule B of the first module 12.
- the second sub-module B has essentially the function of a galvanic isolation (insulation) and can, for example, have as a galvanic separating element a transformer.
- the second sub-module B serves to provide a stabilized DC voltage, the DC supply voltage 5.
- the submodule G denotes a control unit of the module 12, which may be implemented in particular as an integrated circuit, such as ASIC or microprocessor or hybrid thereof. As shown schematically in Figure 1, this control unit G controls active
- a half-bridge for example, a half-bridge driver and two switches in series, see below Fig. 2
- the control unit G may have programming inputs, whereby a Programming or calibration programming of
- Control unit G is possible. For the connections of the control unit G on the board of the second
- Submodule B are led out to allow programming of this sub-module B and thus the control unit G even after delivery of the sub-module B.
- Control unit G of the module 12 communicates with the submodule D as an interface circuit.
- Interface circuit D may comprise a data interface 11, which may be designed in particular for connecting an external analog or digital bus 10, for example in accordance with the DALI industry standard.
- unidirectional or bidirectional signals are transmitted to this data interface 11 or interface circuit D according to other standards. Furthermore, it is alternatively or additionally possible to receive signals at this data interface 11 or interface circuit D which, on the basis of a data interface 11 or interface circuit D, themselves or externally
- the essential functions of the first module 12 are thus the provision (at the output of the second
- Submodule B) of a DC voltage (by rectifying the output voltage of the transformer 19 of the second
- Submodule B with the rectifier 22 starting from a supplied input voltage 9 and the external Communication via the data interface 11 or
- a second module 1 is provided as a circuit module.
- This second module 1 essentially has the function of the so-called lamp management x , which means that this second module 1, on the one hand supplies the connected lighting means (here the LED track 8 with one or more LEDs) with constant current and, on the other hand, feedback variables (schematically with 13
- the DC supply voltage 5 at the output of the second submodule B of the first module 12 thus becomes a further submodule C, as a controllable / controllable
- the second module 1 can be several converter stages (several further submodules C as
- each isolated (independent) LED routes 8 can control.
- the further sub-module C can be both clocked
- Constant current source ie as, for example
- Buck converter also called Buck converter or
- insulated flyback converter also flyback converter called) or as a linear regulator (realized with transistors or integrated circuits) executed.
- the second module 1 has its own
- Control unit E which in turn acts as a microcontroller, ASIC or hybrid thereof may be formed.
- Control unit E of the second module 1 thus contains
- the control unit E controls the one or more other sub-module C in the second module 1.
- the current is controlled by the LED section 8, it can be detected and monitored for correct operation of the LEDs and error detection but also other feedback variables and how
- the LED voltage or the temperature for example, the LED voltage or the temperature.
- Submodule C designed as a clocked constant current source, said submodule C having at least one actively clocked switch SWl as part of the clocked constant current source.
- a driver block controlled by the control unit E.
- the use of a clocked constant current source enables flexible operation of different LED modules F.
- the clocked constant current source can set and adjust both the voltage and the current through the LED module F.
- Constant current source is an actively clocked DC-DC converter, which receives the DC supply voltage 5 and the LED module F accordingly with the desired LED current and / or LED voltage feeds, preferably by a control by the control unit E due to this control unit E supplied feedback variables.
- the clocked constant current source further offers the advantage that the operating mode of the submodule C can be adapted to the respective current operating mode. So can the kind of the clocking of the clocked
- Constant current source can be adjusted, for example, the switch S 1 with a frequency modulated
- Pre-frequency modulated and pulse width modulated signal can be controlled.
- the current operating mode may differ, for example, for operation at high brightness of the LED track 8 and at low brightness.
- Constant current sources for feeding the LED sections 8, 8 ', 8' 'via the outputs 7, ⁇ , ⁇ ' are present.
- the switches SWl, SWl ', SW1' 'of the individual clocked constant current sources are independently controllable by the control unit E.
- the control unit E This makes it possible that for each LED sections 8, 8 ', 8' 'each individually required LED currents and LED voltages via the outputs 7, ⁇ , ⁇ ' can be supplied. It is also possible that in each case a separate control unit E, E ', E "for each of the clocked constant current sources with the switches SWL, SWL', SWL '' is present.
- control unit E via a
- Bus line 6 which is designed in addition to the DC supply voltage 5, with the control unit G of the first module 12 are unidirectional or bidirectional in data communication *
- the bus 6 can also be used to transmit the low-voltage supply ⁇ it then takes both a
- the bus line 6 can also be integrated into the DC supply voltage 5, for example, the polarity of the DC supply voltage 5 can be switched or a
- Carrier signal to the DC supply voltage 5 are modulated.
- control unit E can also
- an error message and preferably also information about the nature of
- the second module here as a lamp management module, preferably housed in a common housing 42 with the actual LED module F.
- the LED module F may have its own memory 4, for example in the form of an EPROM.
- the reference numeral 3 is schematic indicates that the control unit E of the second module 1 can access this memory 4 of the LED module F.
- the PFC circuit is optional only.
- Circuit topology must reflect.
- the advantage of the modular construction according to FIG. 1 is, for example, that the first module 12 or the second module 1 can be produced by different manufacturers.
- the modular design also allows the corresponding lower modules and in particular the second module 1 to be exchanged while retaining the remaining components. If the second module 1 is housed in a common housing 42 with the actual LED module F, there is the advantage that this combination of the second module 1 and LED module F can be adjusted in itself, so that, for example, their radiation characteristics,
- the first module 12 and also the user can thus have one or more matched systems, which can then be controlled at the same time and behave accordingly.
- This internal balancing of the combination of the second module 1 and the LED module F can take place, for example, using one of the following methods:
- Commands or queries are supplied to the first module 12 as shown.
- This can thus be referred to as external data communication, in contrast to the internal data communication via the bus line 6 between the first module 12 and the second module 1.
- This has the advantage that for adaptation to different external buses 10 only the first module 12 is to be adapted, while the structure and the data protocol for the second module 1 remain unaffected.
- the communication via the internal bus line 6 is therefore also standardized, since it is independent of
- the communication via the internal bus 6 combined with the modular design of the system provides the advantage that the operating data for the optimal feeding of the second module 1 can be transmitted from the second module 1.
- the second module 1 (preferably of the
- Operating data can be read out of the second module 1.
- Examples of the feedback quantities 13 from the LED track 8 are the directly or indirectly measured LED current and / or the voltage across the LED track 8.
- operating data for the LEDs of the LED track 8 can be stored, for example, at the manufacturer.
- This data in this memory 4 may thus be, for example, characteristic values, the permissible maximum values for current and / or voltage, temperature dependence of electrical or optical (spectra) parameters of the LEDs, etc.
- These operating data for the LEDs (for example, data from the memory 4) can be transmitted via the internal bus 6 to the first module 12.
- a first module 12 in the sense of a master can supply a plurality of second modules 1. This means that a single first module 12 not only supplies a plurality of second modules 1 with a DC supply voltage 5, but also communicates with these bidirectionally in the sense of an internal bus line 6.
- Control unit G or preferably also a further control unit (not shown) can also regulate the operation of the PFC of the first submodule A, i. H. For example, drive the switch of the PFCs of the sub-module A and for signals from the range of the PFC, such as the input voltage, the current through an inductance of the PFCs, the current through the switch of the PFC, the
- the PFC may be a
- Hpchsetzsteller boost converter
- flyback converter buck-boost converter
- isolated flyback converter flyback converter
- SEPIC converter SEPIC converter
- this is the output voltage
- the DC supply voltage 5 is at a lower level than the voltages internally prevailing in the first module 12, which is for the
- a second output voltage for example a DC low-voltage supply for the second module 1, can be generated in the first module 12 and provided to the second module 1.
- An advantage of the modular design with internal bus line 6 as described above is that the second module 1 (or in the presence of a plurality of second modules 1 at least some of these) can be switched off, while the first module 12 is still responsive to the bus line 6 or possibly . can also send 6 messages via the bus line.
- control unit G for example as
- Hibernation can be powered only via the external bus 10, when the idle state of the external bus 10 (as for example in DALI) is not equal to 0 volts.
- the control circuit G in particular as
- Wake-up signal is sent, which is a starting energy as a power for short-term supply for the
- Control circuit G or a low-voltage supply circuit provides.
- the first module 12 can be completely put into a resting state without energy consumption.
- the on ecksignal can also be a
- a passive or preferably active, in particular controlled by the control unit E coolant 40 is connected, for example.
- the second module 1 (lamp management module) can also be an additional module
- This additional interface can be, for example
- data from the second module 1 are read, in particular to
- Maintenance purposes such as the replacement of a second module 1. It can also be an update of the data or control software via this additional interface, especially in a wireless communication. It may also be possible to read in particular data from this second module 1 via the additional interface, even in the absence of the DC supply voltage 5 ⁇ power transmission) for the second module 1.
- the additional interface Preferably, the additional
- bus line to 6 (internal bus) will be explained referred to between the first module 1 and one or more second modules 1, 1 ⁇ as lamp management modules or operating devices.
- the central control unit 12 may also be referred to as a central unit or master.
- bus line 6 which is provided in addition to the DC supply voltage 5.
- Standardized means that the protocol of bus 6 is independent of the protocol of external communication via the data interface 11 of the first module 12.
- the communication over the bus 6 is bidirectional and can be done, for example, according to an SPI protocol (Serial Peripheral Interface Bus).
- SPI protocol Serial Peripheral Interface Bus
- Internal bus is preferably electrically isolated, for example using optocouplers or transformers. For example, when using one or more transformers for one
- Data communication via the internal bus is that data that are stored in one of the second modules 1, 1 ', via the internal bus ⁇ bus 6) can be transmitted to the control unit G of the first module 12.
- This is advantageous in that the data storage in the second modules 1, 1 'is closer to the LED track 8, so that there takes place a higher heating, which leads to a possibly irreproducible loss of data storage in the area of the lamp management modules ( second modules 2, 2 ') can follow. Even by the transmission via the bus line 6 to the first module 1, these data can then be the first module 12 in the sense of a backup again stored.
- Examples of these data transmitted via the bus 6 are operating data for the LED route 8, such as temperatures, operating times,
- Data interface 11 connected bus 10 are read out.
- a further analysis of the operating data for example a failure analysis, an aging compensation depending on the transmitted operating time duration of the LED route 8, etc., take place.
- Lamp management modules (second modules 1, V ⁇ can be exchanged in a simple way.
- the feed in a lamp module to be replaced (second modules 1, V) stored data we can already see above
- Lamp management module is replaced, the stored in the first module 12 operating data can be transferred back to the newly installed lamp management module, so that this then replaced the same
- Lamp management module is configured.
- Load changes or special operating states or comparable events can also be transmitted via the bus line 6 from a second module 1, V via the bus line 6 to the first module 12. It can thus be a Vorabsignaltechnisch of expected load changes or operating state changes, so that the
- Adapt the controller properties for controlling the PFC in the first submodule A Adapt the controller properties for controlling the PFC in the first submodule A.
- a kind of preliminary information can be reversed, ie from the first module 1 to the second modules 1 > 1 '. If, for example, the first module 12 receives dimming commands via the external bus 10 and the data interface 11 or the interface circuit D, which indicate a load change of the LED route 8, such information or a signal representing the operating state change can be transmitted via the bus or the bus line 6 are transmitted to the second modules 1, 1 ', so that also in the second modules 1, 1' provided
- Control unit E control parameters, for example, for the Konstantst omario (further sub-module C) can adjust according to the expected load change.
- the master / slave system shown in Figure 2 also has advantages in terms of reducing electrical
- Interface circuit D can monitor.
- the master / slave system illustrated in FIG. 2 can preferably be addressed only via the bus 10 connected to the data interface 11 or the interface module D of the first module 12. However, it can be an internal hierarchical distribution, if necessary inclusive
- a corresponding control command is transmitted via the bus line 6 and the second modules 1, 1 'adjust according to their operation. For example, to achieve a lower basic brightness and thus a
- the bus line 6 can also be used to transmit the
- Low-voltage supply can be used (it then takes both a data communication and a
- Bus line 6 shown. There is a channel CLK for the transmission of signals for the output of a clock signal and another channel for transmission, the transmission channel SD,
- a return channel BCK is present, via which the connected operating devices 1 can emit a return signal.
- FIG. 4 shows an embodiment of the sequence of a signal transmission in normal operation, in which case no error feedback of an operating device takes place.
- a clock signal (CLK) is regularly emitted by the central control unit 12 on an internal bus (6), via which the operating devices (1, 1 ', V' ..) are controlled by means of commands from a central control unit (12).
- the operating devices send back the clock signal on a back channel (BCK) of the internal bus, provided there is no error.
- CLK clock signal
- BCK back channel
- the signals transmitted on the internal bus are formed, for example, from pulse packets which are composed of several high-frequency pulses.
- FIG. 5 shows an embodiment of the sequence of an assignment of addresses according to the invention, wherein an error first occurs.
- Control unit (12) can now recognize this return signal as an error signal.
- Operating device (1, 1 ', 1''..) the. Delay time for switching on or off based on a random number determines and the connection or disconnection by the central control unit (12) is detected and assigning addresses (A) for the operating devices (1, V, V '..) by the central Control unit (12), wherein the allocation of the addresses (A) of the detected order in the connection or disconnection of the operating devices (1,, 1 '' ..) depends. For example, a simultaneous feedback of two operating devices can take place at the first feedback.
- the central control unit 12 will poll the possible addresses A and check whether more than one operating device 1, V, V ', I' x , V Y sends a return message for a specific address.
- This method can be used to detect address conflicts. Now the testing process for the
- the central control unit 12 can query and check the possible addresses A until no more than one is available for all possible addresses
- Control unit 12 evaluate the responses and check for transmission errors.
- the central control unit 12 may have an interface 10 and communicate via this interface, for example, according to the DALI standard.
- the central control unit 12 can query the possible addresses A and check whether more than one operating device 1, V, V ', x , V y sends a response for a specific address.
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT6412011 | 2011-11-25 | ||
| PCT/AT2012/000297 WO2013075156A1 (de) | 2011-11-25 | 2012-11-26 | ANSCHLUßERKENNUNG VON LED EINHEITEN |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2783551A1 true EP2783551A1 (de) | 2014-10-01 |
| EP2783551B1 EP2783551B1 (de) | 2016-08-17 |
Family
ID=48468896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12816638.6A Active EP2783551B1 (de) | 2011-11-25 | 2012-11-26 | Anschlusserkennung von led-einheiten |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2783551B1 (de) |
| WO (1) | WO2013075156A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018128192A1 (de) * | 2018-11-12 | 2020-05-14 | Tridonic Gmbh & Co Kg | Verbesserungen einer Kommunikation zwischen zwei Steuerschaltungen zur Steuerung von Wandlerstufen eines Leuchtmittel-Betriebsgerätes mit einer Störspannung auf der Masseleitung |
| CN110989332A (zh) * | 2019-12-13 | 2020-04-10 | 江门市蓬江区天利新科技有限公司 | 基于高精度时钟信号实现led灯串显示同步的方法和系统 |
| DE102020102865A1 (de) | 2020-02-05 | 2021-08-05 | Zumtobel Lighting Gmbh | Testgerät und Verfahren zur Überprüfung einer Leuchte |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2100482B1 (de) * | 2006-12-06 | 2012-10-10 | Philips Intellectual Property & Standards GmbH | Verfahren und vorrichtung zum austausch eines gerätes in einem netzwerk |
| JP5201447B2 (ja) * | 2008-02-27 | 2013-06-05 | 株式会社小糸製作所 | 車両用灯具 |
| DE102008061089B4 (de) * | 2008-12-08 | 2020-09-03 | Tridonic Ag | Adressvergabe für busfähige Leuchtmittel-Betriebsgeräte, insbesondere für LEDs |
-
2012
- 2012-11-26 EP EP12816638.6A patent/EP2783551B1/de active Active
- 2012-11-26 WO PCT/AT2012/000297 patent/WO2013075156A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013075156A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013075156A1 (de) | 2013-05-30 |
| EP2783551B1 (de) | 2016-08-17 |
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