EP2638783A1 - Störsichere leuchtmittelsteuerung - Google Patents
Störsichere leuchtmittelsteuerungInfo
- Publication number
- EP2638783A1 EP2638783A1 EP11784970.3A EP11784970A EP2638783A1 EP 2638783 A1 EP2638783 A1 EP 2638783A1 EP 11784970 A EP11784970 A EP 11784970A EP 2638783 A1 EP2638783 A1 EP 2638783A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- signal
- interface
- control signal
- operating device
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims description 16
- 230000004044 response Effects 0.000 claims description 3
- 230000004913 activation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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
-
- 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 controlling lighting means and a method for controlling lighting means.
- control bulbs are known in addition to classic direct wired switches a variety of control gear.
- a control signal is transmitted from a switch to a control gear.
- the operating device receives the signal and performs a corresponding control of the bulb. This can be a switch on or off, but also a dimming process.
- the control signal is usually either mains voltage or a digital control signal. Often, digital control signals become standardized
- German patent application DE 197 48 007 AI shows a conventional operating device with a
- the disadvantage of this is that a high implementation cost is necessary.
- the invention has for its object to provide an operating device for lighting and a method for operating bulbs, which enable safe switching behavior with low implementation costs, especially for long line lengths.
- An inventive operating device for lighting means includes an interface circuit and a
- the interface circuit generates an interface signal in response to a control signal.
- the drive circuit controls at least one light-emitting device as a function of the interface signal.
- Control signal is an AC voltage control signal generated outside of the operating device.
- Interface circuitry detects exceeding an upper threshold for only one in two
- a first signal pulse in the interface signal and detects an exceeding of a lower threshold value of the other of the two half-waves. This enables a simple and at the same time interference-free evaluation of the control signal.
- the invention also relates to a control gear for
- Interface circuit and a drive circuit wherein the interface circuit generates an interface signal as a function of a control signal, and wherein the drive circuit activates at least one light-emitting means as a function of the interface signal,
- control signal is an AC control signal generated outside the operating device
- the interface circuit detects exceeding a lower threshold for at least the majority of the duration of one of two half-cycles of the control signal, and the interface circuit for each
- Control signal detects.
- the interface circuit further has a peak detection circuit, which can detect the exceeding of the upper threshold value and optionally additionally peak values.
- the interface circuit preferably includes a zero-crossing detection circuit which can detect the exceeding of the lower threshold and optionally additional zero crossings of the control signal.
- Fig. 1 an exemplary lighting system
- 2 shows an example operating device
- Fig. 4 shows an embodiment of the invention
- Operating device 5 shows a first exemplary signal waveform in FIG.
- FIG. 6 shows a second exemplary signal waveform in FIG.
- FIG. 7 shows a third exemplary signal course in FIG.
- FIG. 8 shows a fourth exemplary signal waveform in FIG.
- Fig. 9 shows an embodiment of the invention
- An exemplary lighting system includes a button 4, an operating device 1 and a light source 5.
- a button 4 a switch or other input device can be used.
- the button 4 is connected to the operating device 1.
- the operating device 1 in turn is connected to the lighting means 5.
- the light-emitting means 5 may be, for example, a conventional incandescent lamp or a fluorescent lamp or one or more light-emitting diodes, LEDs. Other bulbs can be used here.
- the operating device 1 consists of an interface circuit 2 and a drive circuit 3.
- the button 4 is connected to the interface circuit 2 of the operating device 1.
- the interface circuit 2 and the drive circuit 3 are connected together within the operating device 1.
- the lighting means 5 is connected to the drive circuit 3 of the operating device 1.
- the button 4 and the operating device 1 are connected to each other via a line.
- the operating device 1 can be permanently connected via a supply connection to a mains voltage, from which the drive circuit 3 is fed to supply the lighting means 5.
- the button 4 connects, as soon as it is pressed, mains voltage with the interface circuit 2 of the operating device 1. If it is not pressed, the line between the button 4 and the interface circuit 2 is open. Both actuated as well as not actuated switch 4 interference can take place in this line.
- the interface circuit 2 evaluates the signals on the line and determines switching operations of the button 4. Based on these switching operations, the interface circuit 2 generates an interface signal and forwards it to the drive circuit 3 on. As a function of the interface signal, the drive circuit controls the lighting means 5. In this case, the interface circuit 2 determines only the switching states of the button 4 and converts them into the interface signal. Only the drive circuit 3 determines from the switching states transmitted to it in the interface signal, the switching operations to be performed. So use the
- FIG. 2 shows an exemplary interface circuit as could be used in the illumination system shown in FIG. 1.
- the switched mains voltage Vn is supplied to a rectifier circuit 100 via a resistor R7a of, for example, 20 ⁇ .
- the rectifier circuit 100 consists of four diodes Dia, D2a, D3a, D4a. These are connected to ground in a conventional bridge rectifier circuit.
- the rectified signal is supplied to a zero-crossing detection circuit 101. It consists of two transistors Qla, Q2a and two resistors Ria, R2a. The emitter of the transistor Qla and the resistor Ria of, for example, 332 ⁇ are directly connected to the rectified signal.
- the resistor Ria is further connected to the base of the transistor Qla and the emitter of the transistor Q2a connected.
- the collector of the transistor Qla is connected to the base of the transistor Q2a and the resistor R2a of, for example, 150 ⁇ .
- the collector of the transistor Q2a is further connected to the second side of the resistor R2a.
- the signal exits the zero-crossing detection circuit.
- the signal is fed via an additional diode Z3a to an optocoupler Q4a.
- This is connected via a further resistor R3a, for example, 10kQ with a supply voltage V2, for example, 15V.
- the interface signal can be taken from the secondary side of the optocoupler Q4a, which is not shown here.
- the zero-crossing detection circuit 101 generates a pulse every zero crossing of the applied signal. Depending on the steepness of the voltage passage through the zero point results in a different width pulse. Such a pulse typically has a duration of 100 microseconds. Such a pulse is well transferable by the optocoupler Q4a.
- Fig. 3 shows an exemplary waveform in an interface circuit, such. B. shown in Fig. 2.
- a control signal 10 has a frequency of 50 Hz and thus a period of 20 ms.
- the interface signal 11 has only individual pulses 12 at the zero crossings of the control signal 10. Shown here is the trouble-free case.
- the interface signal on the secondary side of the optocoupler Q4a can now be evaluated with regard to the detected zero crossings. On the basis of the recognized sequence of zero crossings can thus be concluded on the operation of the button, as for a certain period (eg in the range of 400 to 1000 milliseconds) a mains voltage was supplied to the interface circuit.
- Disturbances can produce steeper signal paths in the areas of the zero crossings of the control signal.
- the pulse duration decreases drastically in this case. This can go so far that the optocoupler Q4a of FIG. 2 can no longer transmit the signal properly.
- Threshold values of -6.5V to 6.5V amplitude of the mains voltage are typically provided to detect the zero crossings. These threshold values should not be changed, as the interface should advantageously also be used for digital DALI signals, and the DALI digital LOW signal should be below 6.5 V.
- the problem of the invention thus exists in particular at interfaces of operating devices for lighting, which both digital signals, as well
- Fig. 4 shows an embodiment of the operating device according to the invention for lighting means.
- a switched line voltage Vn is supplied to a rectifier circuit 200 via a line resistance R ne tz of, for example, 20 ⁇ .
- the rectifier circuit 200 corresponds largely to the rectifier circuit 100 of FIG. 2.
- Four diodes Dl - D4 are connected in a conventional bridge rectifier circuit to ground.
- the rectified control signal is from the
- This essentially corresponds to the zero-crossing detection circuit 101 of FIG. 2.
- a first resistor Rl of, for example, 332 ⁇ and the emitter of a first transistor Ql are supplied with the rectified signal.
- the second side of the resistor Rl is connected to the base of this first transistor Ql.
- the collector of the first transistor Ql is connected to the base of a second transistor Q2 connected.
- the base of the first transistor Ql is connected to the emitter of the second transistor Q2.
- the base of the second transistor Q2 is further connected to the first side of a second resistor R2 of, for example, 150k ⁇ .
- This resistor R2 is connected to ground.
- the output of this zero-crossing detection circuit is applied to the collector of the transistor Q2 and is supplied from this Zener diode Z2.
- the control signal Vn is further supplied to a peak detection circuit 202 via the power resistor R Ne . It first goes through a Zener diode ZI. Since the Zener diode ZI with its predetermined
- Breaking voltage forms a kind of threshold switch and turns on only when exceeding a predetermined threshold voltage, pass only the peak values above a predetermined upper threshold of one of the two half-waves of the AC signal, the Zener diode ZI.
- a resistance divider may also be used, which is dimensioned to the threshold voltage of the transistor Q3.
- the resulting signal is supplied to the base of a transistor Q3.
- the emitter transistor Q3 is connected via an ohmic resistor R5, for example, 10kÜ to the Base of transistor Q3 fed back and still connected to ground.
- This feedback transistor Q3 provides a uniform rectangular pulse shape.
- the output signal of the peak detection circuit 202 is applied to the collector of the transistor Q3 and is supplied from this also the Zener diode Z2.
- the signal present at the Zener diode Z2 is, as in FIG. 2, also transmitted to the drive circuit via an optocoupler Q4, which is supplied with a supply voltage Vi of 3.3V via an ohmic resistor R3 of, for example, 7.5k ⁇ .
- the actual transmission of the interface signal is effected by the secondary part of the optocoupler Q4, not shown here.
- FIG. 5 shows the control signal 10 and at the same time the interface signal 21, which corresponds to the output signal of the optocoupler. For clarity, different scales were used for the two signals.
- the interface signal 21 now has both pulses 23 at the zero crossings of the control signal 10, as well as wide pulses 22 in the range of the peak values of the positive half cycle of the control signal 10 (ie when the upper threshold value is exceeded). Connecting the peak detection circuit 202 to the inverted input of the rectifier circuit 200 would result in a wide pulse 22 at the level of the negative half wave of the AC signal 10.
- the pulses 23 at the zero crossings of the control signal 10 result because the zero-crossing detection circuit 201 in conjunction with the Zener diode Z2 only transmits a current when the voltage of the control signal 10 has exceeded some potential (both positive and negative).
- some potential both positive and negative.
- the current flowing through the zero-crossing detection circuit 201 is sufficient to drive through the Zener diode Z2 and a current flows through the primary side of the optocoupler Q4, whereby the optocoupler Q4 on the secondary side drives through.
- a certain potential hereinafter referred to as a lower threshold
- a concern of a network voltage is detected by the fact that for the interface signal 21 regularly for the duration of almost a network half-wave, ie at least 9 ms, a low-level signal 24 is applied.
- a concern of a mains voltage so the operation of the button, by evaluating a longer phase of the concern of a signal with a low level 24 (ie the reception of a logical "0") take place ..
- the bipolar coupled noise voltage will only make a contribution in the branch after the rectifier with the diodes Dl - D4, provided that the coupled voltage at least sufficient that this voltage exceeds the lower threshold and thus the zero crossing detection circuit 201 in conjunction with the Zener diode Z2 lets a current through.
- Each rectified half-wave of the control signal Vn thus generates from the exceeding of the lower threshold, a certain current flow by means of Transistors Ql and Q2 at the input of the optocoupler Q4.
- a current flow through the primary side of the optocoupler Q4 is interpreted on the output side as logic "0" (analogous to the DALI standard, which leads to a voltage of more than 0 V in the high state).
- the time duration of such a signal with logic "0" is only in the range below 5 ms
- a fault signal when the switch is not pressed can result in the application of detection using the zero crossings according to the prior art, that current can flow in each half-wave , which on the output side can then be interpreted as a zero crossing.
- FIG. 6 shows an exemplary signal course in the case of the operating device according to the invention according to FIG. 4 with open line and a capacitive fault.
- the capacitively coupled mains voltage 31 has a phase offset of 90 ° with respect to the control signal 10. Since the button is not pressed, the interface circuit detects no zero crossings of the actual mains voltage 10. Instead, the zero crossings of the capacitively coupled signal 31 in the interface signal 30, which corresponds to the output signal of the optocoupler detected. This results in pulses 32, 33 in the interface signal. However, since there are no longer pulses in the interface signal which exceed the upper threshold values
- the subsequent drive circuit accepts the signal invalid signal and thus not as an indication of the operation of the switch or button.
- the Switching threshold of the Zener diode ZI upper threshold
- the transistor Q3 is turned on, whereby the point in front of the Zener diode Z2 is pulled to a voltage of 0V, which in turn is interpreted in the interface signal 30 on the output side as logic "1".
- the half-wave of the reverse polarity of the upper circuit branch is not used, ie the transistor Q3 is never turned on.
- the zero-crossing detection circuit 201 in conjunction with the zener diode Z2 a current flow through the transistors Q1, Q2 will always result for this majority half-wave, which on the output side is interpreted as logic "0".
- a logical "0" from a time duration above a threshold of e.g. B. at least 9 ms during a first half-wave can therefore only be generated when a deliberate mains voltage is applied.
- the pulses with a level of logic "0", ie with a low level last at least 10 ms, and only when consciously applying a Mains voltage of the upper circuit branch can be activated with the Zener diode ZI.
- Primary side so flows at a noise voltage in each half-wave for a much shorter period than the duration of a half-wave power.
- Interface 2 detects the exceeding of the lower threshold for at least the majority of the time duration of one of two half-waves of the control signal 10, and that the interface circuit 2 for each detection of exceeding the lower threshold
- a plurality of such low level signal pulses 24 detects the presence of a control signal 10.
- FIG. 7 again shows an exemplary signal course in the operating device according to the invention according to FIG. 4 here with an open line of 350 m length.
- the Control signal 10 is thus not applied to the input of the interface circuit. Instead, only an injected signal 41 is present.
- the pulses 42, 43 of the interface signal 40 become shorter and shorter as the line becomes longer. However, it is still possible to distinguish between intentionally applied line voltage and coupled signals.
- Fig. 8 it is assumed that an open line of at least 550m in length.
- the peak values 54 of the coupled-in signal 51 reach such a height here that the breakdown voltage of the Zener diode ZI from FIG. 4 is exceeded.
- 10 pulses 55 are generated in the region of one half-wave of the injected signal 51.
- pulses 52, 53 are generated in the region of the zero crossings of the injected signal 51.
- a distinction between a coupled-in signal 51 and an applied network signal 10 is no longer possible.
- by the phase shift between the network signal 10 and the injected signal 51 results in an Asynchronit t different connected devices and faulty circuits.
- cable lengths of more than 500m are unusual for a luminaire or lighting installation and therefore this case need not be considered further.
- Fig. 9 shows an embodiment of the method according to the invention.
- a first step 300 the peak values of each of two half-waves of a control signal are detected. The peak values are all values above a threshold voltage.
- a second step 301 the control signal is rectified. The resulting rectified control signal is identical to successive half-waves
- step 302 zero crossings of the control signal are detected by determining zero points of the rectified control signal.
- the zero crossings of the control signal can also be easily filtered out (for example by filtering out pulse durations of less than 150 ps).
- step 303 the determined peak values (exceeding of the upper threshold value) and the activation of the lower branch 202 and optionally the determined zero crossings are included in a common interface signal.
- step 304 the interface signal is evaluated with regard to logic states and the switching processes intended thereby.
- step 305 the lighting means is driven in accordance with the control specifications determined in the preceding step.
- Illuminants can be controlled according to the invention.
- the use of deviating input devices, such. As touch-sensitive displays, etc. is conceivable. All features described above or features shown in the figures can be combined with each other in any advantageous manner within the scope of the invention.
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Selective Calling Equipment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010043613A DE102010043613A1 (de) | 2010-11-09 | 2010-11-09 | Störsichere Leuchtmittelsteuerung |
PCT/EP2011/069456 WO2012062664A1 (de) | 2010-11-09 | 2011-11-04 | Störsichere leuchtmittelsteuerung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2638783A1 true EP2638783A1 (de) | 2013-09-18 |
EP2638783B1 EP2638783B1 (de) | 2018-02-21 |
Family
ID=44999748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11784970.3A Active EP2638783B1 (de) | 2010-11-09 | 2011-11-04 | Störsichere leuchtmittelsteuerung |
Country Status (5)
Country | Link |
---|---|
US (1) | US9179521B2 (de) |
EP (1) | EP2638783B1 (de) |
CN (1) | CN103340014B (de) |
DE (2) | DE102010043613A1 (de) |
WO (1) | WO2012062664A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT16197U1 (de) * | 2015-02-12 | 2019-03-15 | Tridonic Gmbh & Co Kg | Betriebsgerät für ein Leuchtmittel, System und Verfahren zum Betreiben eines Betriebsgeräts |
DE102016224349A1 (de) * | 2016-12-07 | 2018-06-07 | Tridonic Gmbh & Co Kg | Verfahren zum Identifizieren des Typs einer einem Betriebsgerät für Leuchtmittel zugeführten Versorgungsspannung |
US10439509B1 (en) * | 2018-12-07 | 2019-10-08 | Varroc Engineering Limited | Circuit for generating a control voltage depending on voltage phase of an input signal |
US11602022B2 (en) * | 2020-12-23 | 2023-03-07 | B/E Aerospace, Inc. | Isolated voltage detection with current limiters |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0220023B1 (de) * | 1985-10-08 | 1993-07-07 | Sharp Kabushiki Kaisha | Magnetooptische Speichervorrichtung |
US5640143A (en) * | 1995-02-06 | 1997-06-17 | Mytech Corporation | Occupancy sensor and method of operating same |
FR2767017B1 (fr) * | 1997-07-31 | 1999-10-15 | Sgs Thomson Microelectronics | Circuit limiteur de courant d'appel |
DE19748007A1 (de) | 1997-10-30 | 1999-05-12 | Tridonic Bauelemente | Schnittstelle für ein Lampenbetriebsgerät |
TWI268123B (en) * | 2004-03-18 | 2006-12-01 | Logah Technology Corp | Feedback sampling control circuit for lamp driving system |
JP4430084B2 (ja) * | 2007-02-28 | 2010-03-10 | シャープ株式会社 | Led発光装置及びled発光装置を用いた機器及び灯具 |
EP2104401B1 (de) * | 2008-03-17 | 2013-08-14 | Universal Lighting Technologies, Inc. | Nulldurchgangserkennung von Leitungsspannung/-strom unterschiedlicher Amplitude |
CN101568222A (zh) * | 2008-04-21 | 2009-10-28 | 纵领电子(上海)有限公司 | 荧光灯两线制调光控制方法及其调光控制装置 |
IL192462A0 (en) | 2008-06-26 | 2009-02-11 | B S N Pro Ltd | Electrical device control |
TWI580305B (zh) * | 2008-09-05 | 2017-04-21 | 艾杜雷控股有限公司 | 以發光二極體為光源之照明系統 |
CN201374864Y (zh) * | 2009-03-03 | 2009-12-30 | 苏州达方电子有限公司 | 具有切换式调光架构的电子镇流器 |
CN102939797B (zh) * | 2010-04-30 | 2014-10-29 | 赤多尼科两合股份有限公司 | 耐压型接口电路 |
-
2010
- 2010-11-09 DE DE102010043613A patent/DE102010043613A1/de not_active Withdrawn
-
2011
- 2011-11-04 DE DE112011103714T patent/DE112011103714A5/de not_active Withdrawn
- 2011-11-04 CN CN201180053960.9A patent/CN103340014B/zh active Active
- 2011-11-04 US US13/884,500 patent/US9179521B2/en not_active Expired - Fee Related
- 2011-11-04 EP EP11784970.3A patent/EP2638783B1/de active Active
- 2011-11-04 WO PCT/EP2011/069456 patent/WO2012062664A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2012062664A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN103340014A (zh) | 2013-10-02 |
CN103340014B (zh) | 2016-03-16 |
WO2012062664A1 (de) | 2012-05-18 |
DE102010043613A1 (de) | 2012-05-10 |
EP2638783B1 (de) | 2018-02-21 |
DE112011103714A5 (de) | 2013-08-08 |
US20130293132A1 (en) | 2013-11-07 |
US9179521B2 (en) | 2015-11-03 |
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