EP3764746A1 - Appareil de commande - Google Patents

Appareil de commande Download PDF

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Publication number
EP3764746A1
EP3764746A1 EP20169654.9A EP20169654A EP3764746A1 EP 3764746 A1 EP3764746 A1 EP 3764746A1 EP 20169654 A EP20169654 A EP 20169654A EP 3764746 A1 EP3764746 A1 EP 3764746A1
Authority
EP
European Patent Office
Prior art keywords
control signals
signal
operating device
recognition unit
type
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.)
Pending
Application number
EP20169654.9A
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German (de)
English (en)
Inventor
Dennis Grunwald
Holger Flüß
Sergej Wall
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.)
Erco GmbH
Original Assignee
Erco 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
Priority claimed from DE102019125445.0A external-priority patent/DE102019125445A1/de
Application filed by Erco GmbH filed Critical Erco GmbH
Publication of EP3764746A1 publication Critical patent/EP3764746A1/fr
Pending legal-status Critical Current

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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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity 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 an operating device according to claim 1.
  • Operating devices for lights include a voltage supply unit that enables connection to a mains voltage, typically to a 220V or 380V or, for example, 48V voltage source.
  • the operating device can also comprise a transformer, if there is a need to transform a mains voltage made available.
  • the operating device with its power supply unit serves to supply at least one LED with operating voltage in order to be able to operate the LED.
  • An operating device that has been manufactured by the applicant for many years and cannot be documented in printed form has input contacts for receiving control signals for the lamp.
  • the control signals applied to the input contacts are transmitted to a controller on the operating device, which can understand or interpret the control signals applied to the input contacts and convert or convert them into control values for the LEDs.
  • the controller can supply the LEDs with operating voltage based on control signals present, in particular in such a way that the LEDs assume a specific dimming state or switching state transmitted via the control signals present as dimming value information.
  • control signals of a digital type are known which, for. B. the DALI protocol are subject to a common and customary control protocol in the field of lighting control.
  • the applicant's operating devices are known which are designed to process analog control signals, for example phase control signals or phase control signals. Such signals are generated, for example, by analog dimmers.
  • buttons-generated signals are signals that are transmitted by a z. B. wall-mounted button can be generated, which with a short press causes a switch-off - or on - the light, and when held down for a longer period of time enables the dimming value to be set.
  • the known operating devices are specifically designed differently depending on the different types of control signals and have corresponding different electronic elements in order to be able to process the signals.
  • operating devices which, as universal operating devices, provide different connecting terminals for different types of control signals.
  • a first pair of connection terminals or input contacts can be provided, which is used when, for example, electrical lines are connected via which DALI control signals are transmitted, and a second pair of connection terminals or input contacts are provided which are assigned corresponding lines via which, for example, phase angle signals are to be transmitted.
  • the fitter or electrician can use the corresponding connection terminals provided on the control gear - knowing the intended type of control of the control gear - select and document.
  • the object of the invention is to further develop the applicant's known operating device in such a way that simplified and safe handling is achieved.
  • the principle of the invention essentially consists in assigning a signal recognition unit to the operating device.
  • the signal recognition unit is arranged behind the input contacts in the signal flow direction. Different types of control signals can be applied to the input contacts.
  • the signal recognition unit is able to recognize the type of control signals applied to the input contacts.
  • different types of control signals can be applied to the input contacts.
  • the majority of the different types of control signals according to the present patent application are referred to as a group of different control signals.
  • the group includes at least two different types of control signals.
  • a first type of control signals can e.g. B. include control signals of a digital type and a second type of control signals may include control signals of an analog type.
  • the group can also include different types of analog control signals and / or different types of digital control signals.
  • the operating device of the type according to the invention is designed to be universal and enables input contacts to be assigned any connections or lines. Any type of control signal can be applied to the operating device.
  • the signal recognition unit can transmit information about the type of control signals that have been recognized to a controller of the operating device.
  • the controller can supply the LED or several LEDs with operating voltage as a result of a recognition of the type of control signals present, in particular as a function of the information received from the signal recognition unit - and otherwise based on the control signals present.
  • the operating device is structured in two stages.
  • a first signal recognition stage - namely the signal recognition unit - carries out a test of what type of control signals are present at the input contacts. Information about the recognized species is transmitted to the control.
  • the controller can then calculate the dimming value, knowing the determined type of the applied control signals, and convert the control signal applied to the input contacts into a control value for the LED.
  • an operating device that can be used universally is provided which allows the input contacts to be assigned completely different types of control signals. In this way, the design complexity of the operating device can be reduced compared to the prior art. According to the invention, the handling of the operating device can be made easier, for example, in that when connecting to the operating device, no selection of the input contacts or terminals has to be made, but the existing input contacts can be used regardless of the type of control signals.
  • a dimming value according to the present patent application describes an operating state or dimming state of the LED or of the multiple LEDs, which causes a specific brightness value or in which the LED generates a specific light output.
  • the dimming value can be between 0% and 100% of the maximum brightness.
  • the term dimming value also includes switching states of the LED, e.g. B. an on state of the LED and a configured state of the LED includes.
  • the present invention is described using an operating device which has at least one LED as a light source. This takes into account the fact that practically only LEDs are currently used as light sources. OLEDs are also viewed as LEDs within the meaning of the present patent application.
  • LEDs for example laser light sources or any other light sources suitable for use in combination with the invention, are also referred to as LEDs in this patent application for reasons of easier readability, so that the protection should also apply to operating devices with such other light sources.
  • the controller calculates the information available as a function of the information received Control signals into a dimming value for the LED and supplies the LED with operating voltage knowing the dimming value.
  • control unit can - after it has received the information from the signal recognition unit that the control signal is a DALI signal - this Convert the signal into a control value that is output as operating voltage or output current in order to supply the LED with power in such a way that the LED assumes the desired dimming state - 50% of the maximum brightness.
  • a first type of control signals e.g. B. a digital control signal according to the DALI protocol
  • the control unit can - after it has received the information from the signal recognition unit that the control signal is a DALI signal - this Convert the signal into a control value that is output as operating voltage or output current in order to supply the LED with power in such a way that the LED assumes the desired dimming state - 50% of the maximum brightness.
  • the invention also encompasses when, as a result of processing the control signals applied to the input contacts by the signal recognition unit, a signal conversion or signal change takes place. For example, with the aid of a rectifier, an alternating voltage applied to the input contacts can be converted into a pulse sequence of exclusively positive voltages. It is important that the controller knows different types of control signals and can calculate the desired dimming value from the signal supplied by the signal recognition unit and, based on this, carry out a corresponding control of the LED with the aim of setting the dimming value.
  • Signal processing of the applied control signal by the signal recognition unit can take place, for example, using the rectifier, a current source and a Zener diode. This enables, for example, the processing of applied digital and analog control signals to exclusively digital further processed signals, which are then processed by a computing unit, in particular by a Processor, the signal recognition unit or the control of the operating device can be processed further.
  • the signal recognition unit measures the signal duration and / or a measurement of signal transitions and / or a measurement of signal edges in the sense of level increases or level decreases to detect the type of signals.
  • the signal recognition unit can check the signals present for one or more criteria, which ensures that each different type of control signal can be clearly recognized.
  • the signal recognition unit can check, measure or count, for example, signal lengths, signal curves, voltage levels, high or low states, pulse widths, pulse frequencies or the like and compare them with stored criteria or values. If, as a result of a test by the signal recognition unit, it is established that a certain criterion which uniquely identifies a type of control signal is present or fulfilled for a control signal applied to the input contacts, the signal recognition unit can transmit the information to the controller as to which type of control signal is present.
  • the group comprises different types of control signals, e.g. B. digital control signals and analog control signals.
  • the group of different types of control signals includes control signals according to the DALI protocol.
  • the group of different types of control signals includes phase control signals or phase control signals.
  • the group of different types of control signals includes button-generated control signals.
  • control signals listed are the most common control signals of an analog type. However, the invention also includes other types of control signals that are not explicitly listed here.
  • the invention also includes when the signal recognition unit, after checking the type of control signal applied to the input contacts, makes a determination that it was unable to recognize the type of signal. Then, if necessary, provision can also be made for the operating device to output or prompt an electronic, optical or acoustic alarm in order to inform an operator of this fact. It can also be provided that the operating device does not activate the LED if it does not recognize the type of control signals present or does so in a special way, e.g. B. by flashing controls.
  • the signal recognition unit is designed, in particular, to check the type of control signals present continuously and / or at regular time intervals.
  • the test can include, for example, a pre-test that determines whether any signal is present at all.
  • a pre-test that determines whether any signal is present at all.
  • Such a test can, for example, with a predetermined frequency, e.g. B. several times per second.
  • the signal recognition unit subsequently carries out a check to determine which type of control signal is present.
  • the invention also includes when the signal recognition unit continuously or regularly carries out a direct test of what type of control signals are present at the input contacts, a result of this test can also include the result that no control signal is present at all.
  • control signals applied to the input contacts include information about the dimming value.
  • the information about the dimming value is contained in the control signal present at the input contacts as indirect or direct information according to a specific protocol.
  • the signal recognition unit has a fuse associated with it, which is associated with the input contacts.
  • the fuse is arranged directly behind the input contacts in the signal input direction.
  • the fuse can in particular be provided by a switchable fuse which, after triggering - returns to its initial state after a predetermined period of time - due to an excessively high current flow being exceeded.
  • the invention also includes when the fuse has to be replaced after it has been triggered, for example because it is a fuse,
  • the fuse protects the electronic components of the control gear connected downstream in the signal direction from overcurrent, especially in the case of a wrong connection or in the case of a short circuit or a lightning strike or other overvoltage.
  • a rectifier is associated with the signal recognition unit.
  • an applied AC voltage control signal can be converted into a rectified control signal by mirroring the negative half-wave of the voltage curve.
  • the operating device comprises a reception path and / or a transmission path.
  • the operating device can also transmit information from the operating device to a central control of a lighting control system that is remote from the operating device.
  • a busbar adapter is assigned to the operating device.
  • the operating device is part of a busbar adapter. This enables a particularly advantageous embodiment of a busbar adapter and / or a particularly advantageous connection of a busbar adapter to a lamp.
  • the busbar adapter in a conventional manner a mechanical connection of a lamp to a ceiling, wall or floor, is designed to be compact and form the operating device of the type according to the invention or accommodate the operating device or part of the operating device in itself.
  • the power rail adapter can - entirely regardless of the wiring of the busbar - transmit different types of control signals from the busbar to the operating device, since the operating device has a signal recognition unit that can recognize the type of control signal present.
  • the signal recognition unit can also be part of a busbar adapter.
  • Fig. 1a shows a first embodiment of an operating device according to the invention in a block diagram-like, schematic representation.
  • Evidence Fig. 1a the entire functional and effective chain of the interoperable elements of a lighting control system is indicated as an example.
  • Fig. 1a first makes it clear that the operating device 10 is connected to a light head 12.
  • the operating device 10 can be a component separate from the light head 12, these two elements 10, 12 being connected to one another via a current or voltage supply line 40d.
  • the light head 12 in addition to a light source, in particular an LED 13, further in Fig. 1a optical and mechanical elements not shown, e.g. B. has an LED board, cooling elements, cables, bases or housing elements, and in this way provides a light 11b.
  • the operating device 10 can therefore be arranged separately from the lamp 11b.
  • the invention also alternatively includes when the operating device 10 is a component, in particular an integral component, of a lamp 11a.
  • FIG. 1a both conceivable designs, namely an operating device 10 separate from a lamp 11b and an operating device 10 integrated in a lamp 11a, are shown.
  • the lamp 11a, 11b comprises according to Fig. 1a a light head 12 with an LED 13.
  • Fig. 1a also includes operating devices that control multiple luminaires and Control gear that control lights with multiple light heads, as well as control gear that control light heads with multiple LEDs, possibly also with multiple LEDs of different colors, and / or with other light sources.
  • the operating device 10 has a voltage supply unit 42, which is shown in FIG Fig. 1a is only shown schematically.
  • the voltage supply unit 42 is connected to the power grid via a power line 52, which is only indicated. It can be, for example, a 220V power supply or 380V power supply or a power line with already transformed voltage, e.g. B. a 48V or a 30V power supply.
  • the voltage supply unit 42 serves to supply all electronic and electrical components of the operating device 10 and also the lamp 11a, 11b with the operating voltage required to operate the light source 13.
  • the invention also includes when the light source 13 is supplied with operating power via a current source (not shown), in particular a constant current source or a controllable constant current source.
  • a current source not shown
  • a constant current source or a controllable constant current source.
  • the voltage supply unit 42 is not directly connected to the light head 12, but with the interposition of a controller 16 of the operating device 10. This connection is shown in FIG Fig. 1a shown only schematically, showing the connecting line 40d.
  • the controller 16 can - depending on which dimming values are desired - a corresponding current on the control line 40d - or the voltage value - to set the dimming status of the LED 13.
  • driver circuit in Fig. 1a is not shown in detail. In the context of the invention, however, the type of driver circuit is also irrelevant.
  • Fig. 1a also makes it clear that the operating device 10 has input contacts 14a, 14b which, in the exemplary embodiment, are designed as receiving sockets 38a, 38b for receiving connector ends 39a, 39b of a signal line 37.
  • the signal line 37 connects a control center 34 of a lighting control system, or in general terms, a control signal generator 34, to the operating device 10.
  • the control signal generator 34 is connected to an input device or an input device 35 and is connected to this via a connecting line 36.
  • an operator can - directly or indirectly - enter a desired dimming value.
  • the input device 35 has a display 53 and input or actuation elements 54a, 54b, 54c.
  • dimming values can be set for one - or also for several lights.
  • the dimming values are transmitted to the control signal generator 34 via the connecting line 36.
  • the control signal generator 34 can have a processor 55 or some other type of suitable computing unit that applies control signals 17 corresponding to the dimming values to the signal line 37, e.g. B. modulated, and transmitted to the operating device 10.
  • control signal generator 34 in the embodiment of FIG Fig. 1a than a somewhat more complex one Control center 34 of a lighting control system is indicated.
  • control signal generator 34 can also be connected to further operating devices 10 or further lights 11a, 11b via further lines (not shown).
  • the connection line 37 can in this respect also be designed as a bus line.
  • control signal generator 34 is a conventional dimmer from the analog age of lighting control, which is mounted on the wall for example next to an entrance or a door to a room and an on when actuated in the axial direction - cause a lamp to be switched off or to switch it off and to change the dimming value of a lamp by turning it.
  • control signal generator 34 can also from a z. B. be formed wall-mounted button, which causes the lamp to be switched on or off with a short, simple press and causes a lamp to be dimmed when held down for a longer period of time.
  • the input device 35 can of course manage without a display or actuating elements.
  • the dimming value is set directly by turning the trimmer or pressing the button.
  • the combination of input device 35 and control signal generator 34 can be combined to form a common apparatus, as is the case, for example, with rotatable dimmers or with buttons.
  • a conventional phase dimmer 35 is used, an additional, in Fig. 1a load, not shown, so for example another lamp, can be connected.
  • the operating device according to the invention can also include an additional load for a conventional dimmer, or simulate or generate such a load.
  • a digital signal or an analog signal is transmitted via the signal line 37.
  • a digital signal 17 is transmitted via the signal line 37, this is usually a low-voltage signal, e.g. B. for signals according to the DALI protocol a 22.5V signal.
  • a higher voltage for example up to 230V, can be transmitted via line 37.
  • the operating device 10 has according to Fig. 1a Input contacts 14a, 14b, which are designed, for example, as sockets 38a, 38b for receiving plugs 39a, 39b.
  • the input contacts 14a, 14b of the operating device 10 can also be designed, for example, as contact tongues formed on a rotatable switching shaft of a busbar adapter. According to the invention, the specific design of the input contacts 14a, 14b of the operating device is not important.
  • the operating device 10 has a signal recognition unit 15.
  • the signal recognition unit 15 With the signal recognition unit 15, different types of control signals pending or arriving at the input contacts 14a, 14b can be recognized. The exact manner of detection will be described later.
  • a check can be carried out to determine which type of control signal is present. For example, it can be checked whether it is an applied analog control signal or a digital control signal applied to the input contacts 14a, 14b. If the type of signal is recognized and if it is ensured, for example, that it is a pending control signal according to the DALI protocol, the signal recognition unit 15 can transmit this information to the controller 16.
  • the controller 16 can then calculate or determine a dimming value and transmit a control value to the LED 13 via the control line 40d.
  • the LED 13 can be caused to display a schematic in FIG Figure 1b take the dimming value 18 shown.
  • Figure 1b shows that, for example, the dimming value 18 according to Figure 1b 45% of a maximum dimming value of 100%.
  • Fig. 1a it is indicated that the signal recognition unit 15 is arranged separately from the controller 16 and is connected to it via an internal connecting line 40c.
  • the invention also includes embodiments in which the signal recognition unit 15 and the controller 16 form a common structural unit or are completely or partially fused with one another.
  • Such an overarching structural unit, in which the signal recognition unit 15 and control 16 are partially associated, will be described later on the basis of FIG Fig. 2 explained.
  • the signal recognition unit 15 or the operating device 10 can comprise a large number of further electronic components (not shown).
  • the input contacts 14a, 14b can be identified Fig. 1a are connected to the signal recognition unit 15 via internal connecting lines 40a, 40b.
  • Evidence Fig. 2 a presentation of further details will now take place based on a further exemplary embodiment of an operating device 10 according to the invention:
  • Evidence Fig. 2 an operating device 10 according to the invention is shown on the basis of a block diagram and a plurality of electronic components that are shown between the input contacts 14a, 14b and a processor 16.
  • the processor 16 can form or comprise the controller 16 or be part of the controller 16.
  • the invention also includes when the operating device 10 according to Fig. 2 a processor 16 according to Fig. 2 as part of the signal recognition unit 15.
  • the invention further comprises when the signal recognition unit 15 additionally has a, in Fig. 2 processor, not shown, which is arranged separately from the controller 16.
  • the signal recognition unit 15 has a certain intelligence, i. H. a computer unit and in particular also a memory. It is left to the person skilled in the art whether this intelligence and the memory are provided by separate electronic components or by components of the controller 16.
  • Evidence Fig. 2 a fuse 29 and a rectifier 30 are initially arranged in the signal path immediately behind the input contacts 14a, 14b.
  • Incoming control signals which are applied to the contact elements 14a, 14b can be processed via the reception path 31.
  • the fuse 29 first ensures that the operating device 10 is protected from overvoltage.
  • the rectifier 30 ensures that alternating voltage signals are converted into a voltage curve comprising exclusively positive voltage.
  • Evidence Fig. 6 For example, an alternating voltage present when a button signal is applied to the input contacts 14a, 14b according to FIG Fig. 6 which, starting from a zero value, has positive and negative voltage ranges, by mirroring the half-wave by the rectifier 30 according to FIG Fig. 7 be converted into exclusively positive voltage ranges. This allows simplified and improved (subsequent) signal processing to be achieved.
  • a transmission branch or transmission path can also be provided.
  • a voltage supply unit is only indicated with the reference number 42. It is clear to the person skilled in the art that the voltage supply unit 42 supplies the entire electronic components of the operating device 10 with operating voltage.
  • the signal applied to the input contacts 14a, 14b and rectified by the rectifier 30 reaches a Zener diode 56 and from there to an opto-coupler 57.
  • the latter is used for galvanic isolation.
  • the signal is fed to a processor input 46 of the processor 16.
  • control signals are digital control signals and are structured according to the DALI protocol
  • DALI protocol for example, it is provided, in accordance with the DALI protocol, that feedback is provided from the operating devices.
  • the transmission path or transmission branch 32 of the operating device 10 is important for this. Accordingly, it can be provided that signals are transmitted from the processor 16 via its output 47, via a further output opto-coupler 58, and via a transmitting transistor 44 to the input contacts 14a, 14b.
  • the feedback signals are coupled to the signal line 37 via the input contacts 14a, 14b and to a control signal generator 34 according to FIG Fig. 1a transmitted, which functions in this as a feedback signal receiver.
  • the mode of operation of the receiving branch is now briefly explained as follows:
  • the fuse 29 in the signal direction behind the input contacts 14a, 14b protects the operating device 10 in the event of a fault or a faulty connection.
  • the rectifier 30 converts negative signal voltages into positive signal voltages.
  • the Zener diode 57 which is constantly acted upon by a current source, switches through when the signal voltage exceeds the Zener voltage (approx. 5.6V).
  • the current source 59 can drive current through the opto-coupler 57 only when the input voltage is above 5.6V. When this is activated, a low signal is generated at the processor input 46.
  • the processor input 46 always sees a high signal, unless the voltage applied to the input contacts 14a, 14b and rectified via the rectifier 30 is above the Zener voltage; only in the latter case is the output of the opto-coupler 57 switched to low.
  • FIG. 3 shows an embodiment of an operating device 10 according to the invention, in which the DALI control signals are applied to the input contacts 14a, 14b. With conventional operating devices of the prior art, separate DALI inputs were required for this.
  • FIG. 3 It also shows Fig. 3 a neutral conductor 49 and a conductor 48 and the two DALI lines 50a, 50b.
  • the two DALI lines 50a, 50b correspond to the signal line 37 of FIG Fig. 1a .
  • conductors 48 and neutral conductors 49 correspond to the indicated power line 52 of the exemplary embodiment from FIG Fig. 1a .
  • a 230V AC voltage or a 48V DC voltage or another suitable mains voltage can be present on the lines 48, 49.
  • a total of four lines shown can be provided, for example, by different conductor tracks in a busbar.
  • Fig. 3 makes it clear that the four lines 48, 49, 50a, 50b also have further operating devices 10 and thus further, in Fig. 3 Lights, not shown, can be connected.
  • the control signals present at the input contacts 14a, 14b - and thus also on the DALI lines 50a, 50b - are referred to as DALI signals 26.
  • the signal curve 51 of a DALI signal is like an oscillogram as the curve of the voltage (Y-axis) versus time (X-axis) in detail in the upper part of FIG Fig. 4 shown.
  • the DALI signal comprises a maximum voltage of 22.5V.
  • FIG Fig. 2 the signal processing and the signal course are explained: After rectification and after passing through the current source 59 and the Zener diode 56, the incoming signals are passed via the opto-coupler 57 to the processor 46. It is provided that only if the signal voltage (downstream of the rectifier 30) is higher than the so-called Zener voltage (approx. 5.6V), from the current source 59 the current can be driven through the opto-coupler 57. In this case, the opto-coupler 57 controls and generates a low signal at the processor input 46.
  • the lower part of the Fig. 4 represents the signal curve 60 of the signal 17 measurable at the input 46 of the processor 16.
  • a DALI signal 26 basically transmits a sequence of positive applied voltage and zero voltages via line 50a, 50b. This sequence of high and low voltage of the DALI signal 24 contains the information about the dimming value in the respective pulse widths.
  • the signal profile 60 of the signal present at the processor input 46 is inverted in this respect: when the DALI signal is high, the processor input signal is low. If the DALI signal falls below a minimum voltage value of the Zener voltage of approx. 5.6V, the processor input signal is set to high.
  • the signal profile 60 at the processor input 46 can be derived from the signal profile 24 of the DALI signal 26.
  • Fig. 5 illustrates a conventional wiring of an operating device 10 using a control signal generator 34 designed as a button.
  • an exemplary embodiment of an operating device 10 according to the invention is shown, to whose input contacts 14a, 14b the button 34 is switched.
  • the output of the button 34 is led to the input contact 14b.
  • the input contact 14a is connected to the neutral conductor N.
  • phase L2 is not applied to input contact 14b. Only when the button 34 is actuated - and the switch 34 is closed to this extent - can the signal recognition unit 15 of the operating device 10 determine the presence of a control signal.
  • the applied signal becomes as a result of a rectification by the rectifier 30 according to Fig. 2 to a pulsating positive voltage with a 100Hz frequency curve. This is shown as a processed control signal 17b Fig. 7 shown.
  • the representation of the signal curve 17b according to Fig. 7 results from mirroring the negative voltage half-wave of the Fig. 6 on the lateral axis.
  • the processor 16 sees accordingly Fig. 2 a low level. If the rectified mains voltage falls below 5.6V, the processor 16 sees a high level at its input 46.
  • Fig. 8 shows in its upper area the signal curve 28 of a control signal pending at the input contacts 14a, 14b of the operating device 10 according to the invention when a button 34 is actuated and the button 34 is held down for a period of time 19.
  • the button is not actuated. Only at time t2 is the button actuated and held down for a period of time 19 up to time t3, and then released again.
  • the switch 34 If the switch 34 is closed, and therefore the button 34 is held down for a period of time 19, the mains voltage present on the conductor phase L2 is switched through to the contact 14b. It is so far at the input contacts 14a, 14b, the mains voltage signal with a z. B. 230V rms value and a 50 or 60 Hz frequency.
  • the processor 16 receives a permanent high level at its input 46.
  • the processor 16 receives one pulse per half-wave at its input 46.
  • the signal curve at input 46 of the microprocessor 16 is in Fig. 8 shown horizontally in the lower part on the same time axis and denoted there by 60.
  • Fig. 9 shows an area enlarged over time, i.e. zoomed in on the X-axis, the Fig. 8 .
  • Fig. 10 illustrates how conventional buttons 34 work: There an action is shown in the left column in a row that is carried out on the button. In the right column in the same line it is shown which function is achieved by this.
  • Fig. 11 shall now be a typical circuit of a phase cut control, z. B. a phase control or a phase control:
  • the control signal generator 34 is formed by a conventional dimmer.
  • the dimmer 34 can cut the phases differently in different rotating states:
  • Fig. 12 illustrates the voltage curve of a control signal 17, namely an analog control signal 25, in the manner of a dimmer signal with a certain set rotary state of the dimmer:
  • the phase is cut off at time t1, t2, t3.
  • Fig. 13 shows that behind the rectifier 30 of FIG Fig. 3 measurable rectified signal 25 assuming an output signal at the input contacts 14a, 14b according to FIG Fig. 12 .
  • Figs. 14, 15 and 16 illustrate for different phase angles (Fig. 14 small phase angle, Fig. 15 mean phase angle, Fig. 16 large phase angle) in the upper part the signal profile 27 of the phase control signal or a phase control signal at the input contacts 14a, 14b and in the lower part the signal profile 60 at the input 46 of the microprocessor 16.
  • the signal recognition unit 15 of the operating device 10 is able to recognize the different types of control signals, as shown in FIG Fig. 4 (first kind), Figures 8 and 9 (second type), Figs. 14 to 16 (third type) are represented, distinguishable and recognizable.
  • the processor 16 - as part of the signal recognition unit 15 - can test various criteria:
  • the signal detection unit 15 can, for. B. determine whether signals present at input 46 of processor 16 are low or high. However, the signal detection unit 15 can also check during which signal duration 19 (e.g. according to FIG Fig. 4 or according to Fig. 8 ) a signal is present, or whether regular - periodic - signals (cf. Figs. 14 to 16 ) - and if so, at what frequency.
  • the invention also includes other test criteria for determining the type of control signals that are present.
  • signals of a short signal duration 19 can be a first type of signal according to FIG Fig. 4 act or a second type of signals according to Fig. 8 .
  • the signal structure 60 according to Fig. 8 but is completely different: There the processor input 46 is basically on a high, and starting from a low a series of pulses is generated. These pulses can be counted. The number of pulses or the length of the period 19 can then be a measure of the dimming value.
  • the DALI signals can according to Fig. 4 and the button signals 60 according to FIG Fig. 8 however, a distinction can already be made according to their type if the processor 16 can recognize and determine a certain signal scheme - based on the signals present at the processor input 46.
  • the detection of a signal scheme also takes place under examination of certain criteria.
  • the width or the pulse width can be used to calculate which dimming value should be set.
  • the signal recognition unit 15 recognizes the presence of a signal of the type Fig. 8 (Signal curve 60), for example, based on the number of peaks 61a, 61b, 61c, the desired dimming value can be deduced.
  • the signal recognition unit 15 determines that a signal 60 according to FIG Figs. 14 to 16 is present, that is, a continuous sequence of peaks 61a, 61b, 61c, in particular with a fixed frequency, this characteristic can be used as a criterion for recognizing the type of this control signal 27.
  • the desired dimming value can be determined or calculated.
  • the processor 16 and / or the controller 16 can control the LED 13 accordingly and provide current in a desired current intensity in order to set the desired dimming state of the LED.
  • the processor 16 is a component of the signal recognition unit 15. In this exemplary embodiment, the processor 16 is also a component of the controller 16.
  • parts of the intelligence are organized in a decentralized manner, and for this purpose, for example, are housed in separate electronic components, or are organized centrally, and for this purpose, for example, are housed in common processors or other components. This is left to the expert.
  • the invention also includes in particular if the processor or the controller 16 have a memory in which, for. B. structured in a table, certain criteria and comparison values are stored so that the processor 16 of the signal recognition unit 15 can carry out a test of criteria to determine what type of signal is present.
  • the signal recognition unit 15 and / or the processor 16 and / or the controller 16 can access stored table values or algorithms or formulas in order to identify the type of signal from the values present at the processor input 46 to be able to determine or calculate the desired dimming value for the processed signals.

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  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP20169654.9A 2019-07-12 2020-04-15 Appareil de commande Pending EP3764746A1 (fr)

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DE102019119030 2019-07-12
DE102019125445.0A DE102019125445A1 (de) 2019-07-12 2019-09-20 Betriebsgerät

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114258179A (zh) * 2021-12-23 2022-03-29 欧普照明股份有限公司 灯具及灯具控制方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2375868A2 (fr) * 2010-04-09 2011-10-12 BAG electronics GmbH Appareil de prémontage électronique doté d'un dispositif d'interfaces
DE102010043013A1 (de) * 2009-12-03 2012-04-12 Stefan Ruppel Beleuchtungsvorrichtung und Verfahren zum Beleuchten
US9949328B1 (en) * 2017-01-19 2018-04-17 GRE Alpha Electronics Limited Constant voltage output AC phase dimmable LED driver

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010043013A1 (de) * 2009-12-03 2012-04-12 Stefan Ruppel Beleuchtungsvorrichtung und Verfahren zum Beleuchten
EP2375868A2 (fr) * 2010-04-09 2011-10-12 BAG electronics GmbH Appareil de prémontage électronique doté d'un dispositif d'interfaces
US9949328B1 (en) * 2017-01-19 2018-04-17 GRE Alpha Electronics Limited Constant voltage output AC phase dimmable LED driver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114258179A (zh) * 2021-12-23 2022-03-29 欧普照明股份有限公司 灯具及灯具控制方法
CN114258179B (zh) * 2021-12-23 2024-03-29 欧普照明股份有限公司 灯具及灯具控制方法

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