EP3235341A1 - Betriebsgerät mit detektionsmitteln zur erkennung von phasenanschnitten und/oder abschnitten in der versorgungsspannung - Google Patents
Betriebsgerät mit detektionsmitteln zur erkennung von phasenanschnitten und/oder abschnitten in der versorgungsspannungInfo
- Publication number
- EP3235341A1 EP3235341A1 EP15800832.6A EP15800832A EP3235341A1 EP 3235341 A1 EP3235341 A1 EP 3235341A1 EP 15800832 A EP15800832 A EP 15800832A EP 3235341 A1 EP3235341 A1 EP 3235341A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- operating device
- voltage
- signal
- supply voltage
- mains2
- 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
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/70—Regulating power factor; Regulating reactive current or power
-
- 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
Definitions
- the invention relates to an operating device for the operation of light sources, in particular LED lamps, and a method for controlling a light source by means of the operating device.
- the operating device converts the
- Supply voltage in a on the respective light source for example, and in particular an LED or a plurality of LEDs, adapted voltage and power supply to.
- This adaptation can also be variable, i. Adjustments can be made with the aid of which the illuminant can be dimmed, for example, or adapted with regard to the emitted color spectrum.
- separate control devices are used to cooperate with the operating device. The operating device has this
- Control terminals via which the command signals are received It is problematic if such, an operating device requiring bulbs are used in exchange for conventional bulbs, such as light bulbs.
- Lamp and the operating device integrated together in a bulb-like lamp.
- the operating device In order to be able to provide the operating device with information which correspond to user commands for example, it goes without saying that in such a case a separate control line is not available. It was therefore in the
- Rectification of the AC voltage takes place.
- any change in the voltage characteristic can be used to transmit information as long as the receiving side, in this case the operating device, is capable of transmitting the information
- Phase sections or phase cuts can not always be performed reliably. Disturbances, as they occur, for example, by parasitic capacitances, in particular in the region of the zero crossing of the pulsating supply voltage, make it difficult to reliably detect a phase cut.
- Phase section of the supply voltage is impressed.
- the operating device according to the invention and the method can readily recognize, for example, the transition from a pulsating supply voltage to a DC voltage. Such may occur when due to a power failure
- Switching to an emergency power supply takes place, which usually consists of one
- the operating device has a first input terminal and a second input terminal. By means of these connections, the operating device can be connected to a pulsating supply voltage source in order to supply electrical power to the operating device with which a lighting device connected to the operating device can be supplied. The operating device continues to point
- Detection means which enable a separate detection of a first voltage, which corresponds to a positive half-wave, and a second voltage which corresponds to a negative half-wave of the supply voltage.
- the measurement signals generated by the detection means based on the first voltage and the second voltage are used for further determination of the information.
- an evaluation unit for evaluating these measurement signals is provided.
- Ground potential of the operating device as detection means a first voltage divider and between the second input terminal and the ground potential, a second voltage divider arranged.
- a first measurement signal for the first voltage is generated
- a second measurement signal for the second voltage is generated.
- the measuring signals are the voltages picked up at the respective center points of the voltage dividers. These are fed to the evaluation unit.
- Capacities are not negative.
- phase slices or phase sections for transmitting information to the operating device so that the robustness of the detection is significantly improved.
- advantageous developments of erfindungsgeraä built operating device are executed.
- the evaluation unit is supplied with two input signals, each input signal of one half-wave being pulsed
- the further evaluation can then be based on this
- rectification of the difference signal is preferably carried out.
- the processing performed in the evaluation unit preferably takes place digitally, for which purpose the two measurement signals are digitized before the further processing, in particular before the formation of the difference signal.
- the rectified differential signal is supplied to a comparator, an integrating circuit or a differentiating circuit.
- Integrating circuit or the differentiating circuit the information that was imparted to the operating device supplied supply voltage can be easily detected in the control unit.
- the resulting waveforms are characteristic of the impressed information and are determined by means of the comparator, the
- Integrated circuit or the differentiating circuit made visible.
- Fig. 1 is an illustration of the basic structure of a system in which the
- FIG. 3 is a schematic representation of a control gear with attached light source
- FIG. 6 is a diagram for explaining the procedure for obtaining the difference signal in the evaluation unit; and FIG. 7 is a diagram for explaining the processing of further processing of the FIG
- the invention finds e.g. Application in the field of so-called retrofit LED lamps, which are used as a substitute e.g. used by incandescent or halogen lamps. Retrofit lamps accordingly have connection sockets with which they are incorporated into known lamp sockets, e.g. screwed or plugged, can be.
- the invention can be used whenever information is to be transmitted to an operating device, but for the transmission of information only supply lines are available. This can of course also be the case with an external operating device.
- LED lamps have one or more LED (s), of which at least one preferably emits white light with color conversion.
- LEDs there may also be monochromatic LEDs, preferably emitting in the red spectrum.
- the retrofit LED lamp L comprises a screw base 2, a glass bulb 3 and lighting means, for example one or more inorganic LED or OLED bulbs 8. Other bulbs, such as. Halogen lamps or gas discharge lamps can be operated by the operating device.
- the screw base 2 is suitable for a socket of a corresponding incandescent lamp, which is to be replaced by the retrofit LED lamp L.
- a metal screw thread 5 and an end pole 4 of the lamp L form connection contacts, via which the retrofit LED lamp L is fed by a signal generator 1 with a supply voltage Vmains.
- the supply voltage Vmains is generated by the signal generator 1, starting from the mains AC voltage VN.
- the signal generator 1 comprises a switch S and a push-button T. Upon actuation of the switch S, the signal generator 1 is disconnected from the mains AC voltage VN, so that no supply voltage Vmains is present on the output side.
- the button T is responsible for manipulating the mains voltage VN. If this button T is not pressed, the supply voltage Vmains corresponds to the mains voltage VN. On the other hand, the waveform of the supply voltage Vmains is changed as long as the button T is pressed. It is also possible to provide a plurality of buttons, so that a plurality of different forms of the supply voltage Vmains can also be generated.
- the manipulation of the mains voltage is carried out in accordance with a specific protocol which determines which information to be transmitted is to be transmitted by means of which voltage curve.
- the arrow 9 indicates that, and how the supply voltage Vmains, for example in the form of AC voltage waves, is forwarded to an operating device 6 located in the LED lamp L.
- the operating device 6 generates a DC voltage which - as indicated by the arrow 10 - is supplied to an LED module 7, on which sit the light emitting LEDs 8.
- Possibilities such as temporary rectification of the supply voltage are permitted and can also be evaluated with the aid of the invention particularly safe and simple.
- the course of a supply voltage Vmains is shown in FIG.
- the course shown shows no additional information contained and thus the pure, not manipulated supply voltage.
- the supply voltage Vmains is composed of positive and negative half-waves, which in the diagram are labeled "lpar” and "npar". Compared to the
- Supply voltage Vmains exactly corresponds as an image.
- FIG. 2 For illustration, in Fig. 2, a 220 volt AC voltage is used, as it is standard in Europe, for example.
- an operating device 6 according to the invention is now shown in a greatly simplified representation.
- the operating device 6 is supplied with a supply voltage Vmains, as shown by the arrow 9.
- FIG. 3 shows that an LED module 7 with an LED illuminant 8 is supplied with electrical power via the operating device 6.
- at least one further LED module 7 ' may be provided, the structure of which is either equal to the LED module 7 or different from the LED module 7. So that the LED modules 7, 7 'can be operated on the supply voltage Vmains, a rectification of this AC voltage is required.
- the supply voltage Vmains is fed to an AC / DC converter 11 and the rectified AC voltage is then fed to a DC / DC converter 12
- the DC / DC converter 12 is driven by a control unit 15 which specifies parameters whose conversion by the DC / DC converter 12, e.g. Dimming allows.
- the basic procedure for the dimmer or for changing a color value of the emitted light of the LED module 7 does not differ from systems known per se, in which information about this is transmitted to the operating device 6 via separate control lines. In the operating device 6 according to the invention, however, the information is not transmitted via separate control lines, but the supply voltage is impressed by manipulation of the temporal voltage curve and then in the
- detection means 13 are now provided, with which a first voltage and a second voltage are determined separately from each other.
- the first voltage is the voltage of the first terminal of the operating device 6, so the L-conductor, compared to the ground potential of the operating device 6.
- the second voltage is accordingly the voltage of the second terminal of the operating device 6, ie the N-conductor, compared to the ground potential of the operating device 6.
- measuring signals are generated from the voltages. These measurement signals, referred to as mains1 or mains2, are then sent to the evaluation unit 14 fed, in which a further processing of the measuring signals mainsl and mains2 takes place.
- control unit 15 determines the signal underlying this control command and generates a control signal for driving the DC / DC converter 12th
- the generation of the measuring signals mainsl and mains2 will now be described with reference to FIG. 4, which thus shows a part of the operating device 6 in more detail.
- the supplied supply voltage Vmains is supplied by the operating device 6 to a first input terminal L and a second input terminal N
- FIG. 4 shows by way of example a capacitance C02 provided between the first input terminal L and the second input terminal N, ie between the L-wire and the N-wire, and inductors L01 present in each branch ,
- the two branches, L and N are connected to both the detection means 13 and the AC / DC converter 11.
- FIG. 4 also shows a capacitance CIO which is connected to the output terminals of the bridge rectifier (AC / DC converter 11) in order to smooth the undulating DC voltage obtained there.
- This capacitance CIO is between the positive output terminal of the bridge rectifier and the ground potential of the bridge
- the detection means 13 consist at least of a first voltage divider 22 and a second voltage divider 23.
- the first voltage divider 22 and a second voltage divider 23.
- Voltage divider 22 includes a series circuit of a first resistor Rl with a second resistor R2.
- the series circuit is connected to the L branch, that is to say to the first input connection on the one hand, and to the ground potential of the operating device 6 on the other hand.
- a first measurement signal is tapped, which is designated mainsl.
- the second voltage divider 23 also contains two resistors, namely a third resistor R3 and a fourth resistor R4, which are also connected in series.
- the second voltage divider 23 is on the one hand with the N branch (Second input terminal) and on the other hand also connected to the ground potential of the operating device 6. At the second midpoint M2 of the second
- Voltage divider 23 is tapped a second measurement signal, which is referred to as mains2.
- both the first center point M1 and the second center point M2 are additionally connected via a respective capacitance C03 or C04 to the ground potential of the operating device 6.
- C03 capacitances
- C04 unwanted harmonics can be removed from the tapped first measuring signal mainsl and the tapped second measuring signal mains2.
- FIG. 4 also shows how the two measurement signals look like: they represent the respective half-wave of the L branch or of the N branch with respect to the ground potential of the operating device 6, whereby the amplitudes due to the voltage dividers 22, 23 are lower as the first and the second
- FIG. 4 also shows a parasitic capacitance C p , which is responsible for the interference in the common-mode signal explained with reference to FIG. 2. Since this parasitic capacitance C p is of course not an explicit part of the circuit, it has been drawn in dashed lines in the illustration.
- FIG. 4 is a schematic representation and it is therefore obvious that in a real circuit for adaptation to the specific circumstances, further components are present.
- FIG. 4 also shows a capacitance Cl and an inductance L02 which serve to stabilize the ground potential.
- FIG. 5 shows the evaluation unit 14 of FIG. 3 in a more concrete embodiment.
- the two measuring signals mainsl and mains2 are first fed to a means for forming a difference signal 17.
- the values of the measuring signal mains2 are subtracted, for example, from the values of the measuring signal mains1.
- the result is a difference signal.
- Difference signal is then a means for rectifying the difference signal 19th fed. Its output signal, that is, the rectified differential signal, will then actually detect whether the supply voltage Vmains has been impressed by changing the signal form of the supply voltage Vmains, at least fed to an analysis device.
- a comparator 25 a differentiating circuit 26 and an integrating circuit 27 are shown for analysis. With the aid of the comparator 25, the rectified differential signal is compared with a reference voltage Vüef. The output signal Vout of the comparator 25 thus indicates at which time the rectified differential signal was above a threshold value defined by the reference voltage VR e f. The resulting curve of the output voltage Vout of the comparator 25 can then be compared with a pattern.
- Control command corresponds. This check whether the course of the output voltage Vout of the comparator 25 corresponds to a control command, takes place in the control unit 15. For this purpose, the output signal Vout of the comparator 25 is supplied to a logic. The command determined by this logic is then supplied to a device 20, which generates a control signal with which, as already explained with reference to FIG. 3, the DC / DC converter 12 is driven.
- comparator 25 may also be a
- Differentiation circuit 26 may be provided. As a differentiating circuit 26, for example, a high-pass can be used. That at the exit AA the
- Differentiating circuit 26 output signal is fed back to the logic of the control unit 15 for determining an associated control command.
- the occurrence of values above a threshold value is detected at the output AA of the differentiating circuit 26 and, in turn, optionally assigned to an underlying command or an underlying information that has been impressed on the supply voltage Vmains.
- the rectified differential signal can also be supplied to an integrating circuit 27 realized, for example, as a low-pass filter.
- the low-pass filtering corresponds to the formation of an average value MW. This mean, or its temporal Course, is also characteristic of the original waveform of the
- This average value is also supplied to the logic of the control unit 15 for detecting commands.
- the processing of the two measuring signals mainsl and mains2 in the evaluation unit 14 preferably takes place digitally.
- the two measuring signals mainsl and mains2 are digitized in a device, not shown, before they are supplied for further processing.
- Fig. 6 is first a
- Supply voltage shown which is impressed information, referred to here as mains.
- the imprinting of the information is in the example shown
- the measuring signal mainsl is thus a signal that the potential profile of the L-conductor with respect to the ground potential of the
- Operating device reflects. It thus corresponds to the positive half-wave of the mains supply voltage.
- Amplitude of the measuring signal mainsl by the selected resistances of the first and second resistors ROI, R02 is determined.
- the two voltage dividers 22 and 23 should be the same size.
- Symmetrical AC voltage as shown in the upper part of the diagram of Fig. 6, thus the amplitudes of the measuring signals mainsl and mains2 are the same.
- the time course of the second measuring signal mains2 is shown, which is generated by means of the second voltage divider 23 for the N conductor.
- Input terminal N opposite the ground potential by the second measurement signal mains2 reproduced. It can be seen that the amplitude of the half-wave of the measuring signal mains1 and the half-wave of the measuring signal mains2 are the same and that the phase angle in the second measuring signal mains2 can be clearly recognized. Also to be recognized is again the disturbance in the area of the zero crossing of the supply voltage mains.
- the lowest part of the diagram now shows the time profile of the difference signal Diffmains, which is formed from the first measurement signal mainsl and the second measurement signal mains2. The disturbances occurring in the zero crossing area of the
- the course of the output voltage Vout of the comparator 25 is denoted by "cmp" in the diagram of Fig. 7.
- Comparator 25 is set to a small, positive value, for example, 0.1 volts. While in the areas of the phase angle, the rectified differential signal is relatively long below this threshold, the zero-crossing at the transition from the negative half-wave to the positive half-wave of the differential signal, the rectified differential signal "absns" only relatively short below this
- Threshold This results in the time course, as shown in the third part of the diagram and is referred to as "cmp.” It can be seen that the course of "cmp" in the area of the phase angle falls significantly longer in time to zero than in the area of a zero crossing of the difference signal "diffmains" without
- Phase gating or section which enables a reliable detection of the existence of a phase angle (or section).
- Phase intersections, combinations with phase sections and / or temporal pauses between the phase cuts can be used to transmit more complex information, depending on a defined communication protocol.
- the rectified differential signal "absns” can also be evaluated with the aid of the integrating circuit 27.
- the resulting signal waveform at the output of the integrating circuit 27 is labeled "int" in the fourth part of the diagram of FIG. Again, there is a significant difference between the range corresponding to the phase angle in the supply voltage and the range without phase angle. The signal falls only in the range of the phase angle to 0, so that the zeros can be used to determine the existence of a
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014225828.6A DE102014225828A1 (de) | 2014-12-15 | 2014-12-15 | Betriebsgerät mit Detektionsmitteln zur Erkennung von Phasenanschnitten und/oder -abschnitten in der Versorgungsspannung |
| PCT/EP2015/077629 WO2016096345A1 (de) | 2014-12-15 | 2015-11-25 | Betriebsgerät mit detektionsmitteln zur erkennung von phasenanschnitten und/oder—abschnitten in der versorgungsspannung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3235341A1 true EP3235341A1 (de) | 2017-10-25 |
| EP3235341B1 EP3235341B1 (de) | 2020-02-26 |
Family
ID=54703986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15800832.6A Active EP3235341B1 (de) | 2014-12-15 | 2015-11-25 | Betriebsgerät mit detektionsmitteln zur erkennung von phasenanschnitten und/oder abschnitten in der versorgungsspannung |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3235341B1 (de) |
| AT (1) | AT16610U1 (de) |
| DE (1) | DE102014225828A1 (de) |
| WO (1) | WO2016096345A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018204317A1 (de) * | 2017-10-19 | 2019-04-25 | Tridonic Gmbh & Co Kg | Eingangsleistungsmessung bei einem Betriebsgerät für Gebäudetechnikgeräte |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3421828A1 (de) * | 1984-06-13 | 1985-12-19 | Brown, Boveri & Cie Ag, 6800 Mannheim | Schaltung mit am wechselspannungsnetz anliegenden eingangsanschluessen und ausgangsanschluessen definierter polaritaet |
| US8159139B2 (en) * | 2008-09-25 | 2012-04-17 | Microsemi Corp.—Analog Mixed Signal Group Ltd. | Color and intensity control over power wires |
| CN201639823U (zh) * | 2010-02-08 | 2010-11-17 | 英飞特电子(杭州)有限公司 | 用于前沿和/或后沿调光的pwm斩波led驱动电路 |
| GB2498371B (en) * | 2012-01-12 | 2016-09-14 | Tridonic Gmbh & Co Kg | Lamp controller |
| DE102012206056B4 (de) | 2012-04-13 | 2023-05-04 | Tridonic Gmbh & Co Kg | Ansteuerung von Leuchtmitteln mittels definierter Manipulation der Versorgungsspannung |
| US20130320880A1 (en) * | 2012-05-16 | 2013-12-05 | James T. Walker | Rms responding voltage converter for led lights |
| CN202931475U (zh) * | 2012-11-08 | 2013-05-08 | 大连捷成实业发展有限公司 | 一种接口电平检测装置 |
| DE112014002213B4 (de) * | 2013-04-30 | 2025-09-11 | Tridonic Gmbh & Co Kg | Betriebsgerät für ein Leuchtmittel, Programmiergerät und Verfahren zum Konfigurieren eines Betriebsgeräts |
| DE102013219153B4 (de) * | 2013-09-24 | 2024-05-16 | Tridonic Gmbh & Co Kg | Treibermodul mit sekundärseitiger Erkennung einer primärseitigen elektrischen Versorgung |
-
2014
- 2014-12-15 DE DE102014225828.6A patent/DE102014225828A1/de not_active Withdrawn
-
2015
- 2015-02-24 AT ATGM52/2015U patent/AT16610U1/de not_active IP Right Cessation
- 2015-11-25 EP EP15800832.6A patent/EP3235341B1/de active Active
- 2015-11-25 WO PCT/EP2015/077629 patent/WO2016096345A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP3235341B1 (de) | 2020-02-26 |
| WO2016096345A1 (de) | 2016-06-23 |
| AT16610U1 (de) | 2020-02-15 |
| DE102014225828A1 (de) | 2016-06-16 |
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