EP3322259A1 - Configuration d'antenne à double variateur - Google Patents

Configuration d'antenne à double variateur Download PDF

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Publication number
EP3322259A1
EP3322259A1 EP17200947.4A EP17200947A EP3322259A1 EP 3322259 A1 EP3322259 A1 EP 3322259A1 EP 17200947 A EP17200947 A EP 17200947A EP 3322259 A1 EP3322259 A1 EP 3322259A1
Authority
EP
European Patent Office
Prior art keywords
dimmer
block
power supply
power
present
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
Application number
EP17200947.4A
Other languages
German (de)
English (en)
Other versions
EP3322259B1 (fr
Inventor
Peter De Brabander
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.)
Niko NV
Original Assignee
Niko NV
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Publication date
Application filed by Niko NV filed Critical Niko NV
Priority to PL17200947T priority Critical patent/PL3322259T3/pl
Publication of EP3322259A1 publication Critical patent/EP3322259A1/fr
Application granted granted Critical
Publication of EP3322259B1 publication Critical patent/EP3322259B1/fr
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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
    • 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
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light

Definitions

  • the present invention relates to the field of electrical dimmers. More specifically it relates to the field of dimmers which can be controlled via a radio frequency (RF) interface.
  • RF radio frequency
  • EP2624666B1 discloses two dimmers which are controlled via one RF interface over a serial link and wherein one of the dimmers is used for powering the RF module and wherein the other dimmer is galvanically isolated from the RF module.
  • the present invention provides a dimmer device comprising a first dimmer, a second dimmer, and an RF block.
  • the first dimmer is adapted for powering the RF block.
  • the first dimmer and second dimmer are adapted for communicating with the RF block.
  • the first dimmer, the second dimmer and the RF block are all galvanically isolated from one another.
  • the first dimmer, the second dimmer and the RF block are galvanically isolated at the level of the powering as well as at the communicating level.
  • Dimmer devices especially dimmers which are connected in 2-wire mode only have a limited power budget. Therefore it is an advantage of embodiments of the present invention that an RF block is shared between two dimmers. Thus only one power consuming RF block rather than two power consuming RF blocks is present.
  • the first and second dimmer are galvanically isolated from the RF block. This is done for the communication links as well as for the power supply.
  • additional space is required for the galvanic isolators, which is not obvious in the space limited environment of a dimmer (e.g. a flush mounting box), this has as main advantage that the voltage over the RF antenna can be controlled such that a user can safely touch the RF antenna without being injured.
  • the RF antenna it is possible to position the RF antenna such that the antenna range over which it can transmit or receive data can be optimised. This is because the antenna can be positioned on places where a user might be able to touch it. Because of the galvanic isolation, the user does not have a risk of getting injured when touching the RF antenna.
  • the antenna may for example be placed underneath the cover of the dimmer. The more the antenna is positioned outside the wall the better the signal becomes. Hence it is an advantage of embodiments of the present invention that, for a similar range, a lower power can be applied that would be required for a prior art dimmer without galvanic isolation of the RF antenna.
  • the galvanic isolation moreover serves as filter. Therefore a more clean power for the RF can be obtained. Due to the galvanic isolation less interference of other voltages and currents (e.g. high peak currents when the load is a LED whereby high sharp peak currents may give EMC/EMI trouble) may happen.
  • other voltages and currents e.g. high peak currents when the load is a LED whereby high sharp peak currents may give EMC/EMI trouble
  • a dimmer device may comprise a first communication link between the first dimmer and the RF block, wherein the first communication link comprises a first galvanic isolator for galvanically isolating the first dimmer from the RF block, and a second communication link between the second dimmer and the RF block, wherein the second communication link comprises a second galvanic isolator for galvanically isolating the second dimmer from the RF block.
  • the first dimmer may comprise a power supply wherein the power supply is connected with the RF block over a first connection for transferring power towards the RF block and wherein the power supply and/or the first connection are adapted such that the power supply of the first dimmer is galvanically isolated from the RF block.
  • the power supply of the first dimmer may be connected with the second dimmer over a second connection for transferring power towards the second dimmer and the power supply of the first dimmer and/or the second connection may be adapted such that the power supply of the first dimmer is galvanically isolated from the second dimmer.
  • the galvanic isolation is advantageous as each dimmer has its own reference (its ground) to check independently its error signals (e.g. short circuit) and to have simple driving circuit of the dimmer mosfets.
  • Another concept for example is to use only one microcontroller for both dimmers. In this concept the complexity of the different grounds/references is moved to the driving circuits of the mosfets.
  • the advantage of the using separate microcontrollers for both dimmers is the re-use of code of the single fold dimmer. In principle only the RF communication link has to be added, core dimmer code is the same.
  • the power supply may comprise a primary transformer coil and a secondary transformer coil per element it needs to power. It is an advantage of embodiments of the present invention that the galvanic separation between the power supply of the first dimmer and the RF block can be implemented by the transformer of the power supply. It is an advantage of embodiments of the present invention that the galvanic separation between the power supply of the first dimmer and the second dimmer can be implemented by the transformer of the power supply.
  • a flyback transformer only an extra winding, a diode, and an (electrolytic) capacitor has to be added for powering an additional element.
  • the RF block may comprise a microcontroller. It is an advantage of embodiments of the present invention that, by using a microcontroller, different inputs can be processed and forwarded to the corresponding dimmer.
  • the input can for example be a data stream captured by the RF antenna, the input can also come from pushing a push button, rotating a rotary.
  • the power supply of the first dimmer may be a switched mode power supply. It is an advantage of embodiments of the present invention that efficient AC-DC power conversion is possible by using such switched mode power supply.
  • the first dimmer and/or the second dimmer can be connected in 2 and/or 3-wire mode.
  • Being connectable in 2-wire mode has as advantage that such a dimmer can be installed in electrical installations where no neutral wire is available.
  • power consumption of the dimmer is an important issue. It is therefore an advantage of embodiments of the present invention that the RF block is shared between dimmers and that a galvanic separation is present between the dimmers and the RF-block.
  • Being connectable in 3-wire mode has for example as advantage that the power requirements are less stringent.
  • the second dimmer comprises a power supply.
  • the power supply of the second dimmer thereby may comprise a primary transformer coil and a secondary transformer coil per element it needs to power.
  • Embodiments of the present invention relate to dimmer devices which comprise more than one dimmer and which can be controlled via an RF interface.
  • Dimmer devices according to embodiments of the present invention comprise a first dimmer, a second dimmer and an RF block. Thereby the RF block is shared between the first dimmer and the second dimmer.
  • the RF block is powered by the power supply of the first dimmer.
  • the dimmers and the RF block are galvanically isolated from each other. Therefore the power supply of the first dimmer and/or the connection connecting the power supply with another dimmer or with the RF block are designed such that a galvanic isolation is present between the connected components.
  • the communication links between the dimmers and the RF block comprise galvanic isolators.
  • galvanic isolators in a space limited environment such as a flush mounting box, this is done in embodiments of the present invention to reduce the power consumption of the RF block.
  • the galvanic isolation between the RF block and the dimmers is such that limitations due to required safety distances between the RF block (e.g. the RF antenna) and the user are reduced or even eliminated.
  • the voltage breakdown of the galvanic isolation can for example be designed such that the RF block becomes a SELV system (Safety Extra-Low Voltage defined by IEC).
  • the required safety distances between the user and the RF block are reduced or even eliminated, the freedom for designing and positioning an RF antenna is increased.
  • the RF antenna can for example be positioned very close to the outside of the flush mounting box or even outside the flush mounting box. This results in an improved range of the RF antenna and because of this improved range the RF power may be reduced.
  • FIG. 1 A possible implementation of a dimmer device 100 in accordance with embodiments of the present invention is illustrated in FIG. 1 .
  • This figure schematically shows a first dimmer 110, a second dimmer 120 and an RF block 130.
  • the RF block is connected to an RF antenna 131.
  • the dimmer device 100 comprises a first communication link 118 between the first dimmer 110 and the RF block 130.
  • the communication link comprises a first galvanic isolator 119 for galvanically isolating the first dimmer 110 from the RF block 130.
  • the dimmer device 100 comprises a second communication link 128 between the second dimmer 120 and the RF block 130.
  • the communication link comprises a second galvanic isolator 129 for galvanically isolating the second dimmer 110 from the RF block 130.
  • the first and second communication links 118, 128 can for example be serial communication links.
  • the first and second galvanic isolators 119, 129 are drawn in FIG. 1 as two coils over which the coupling is done.
  • Other galvanic isolators, such as optocouplers, may however also be possible.
  • the galvanic isolators may also be realized by using an optical communication link, such as for instance a digital optocoupler.
  • Other galvanic isolation may for example be capacitor based (Y2) or Hall effect based. Galvanic isolation for the power transfer is preferably achieved using a transformer. A power supply using Y2 capacitors may also be used. However, because of its smaller size and the possibility to transfer a higher amount of power, a transformer is preferable.
  • the first dimmer 110 comprises a power supply 112.
  • a power supply may for example be a switched power supply.
  • This power supply is connected with the RF block 130 by a first connection 139. Through this connection it is possible to transfer power to the RF block 130.
  • the power supply 112 of the first dimmer and/or the first connection 139 are adapted such that the power supply 112 of the first dimmer is galvanically isolated from the RF block 130.
  • the galvanic isolation is implemented by a transformer in the power supply 112. Therefore the transformer comprises a primary transformer coil 113 and two secondary transformer coils 114, 115.
  • the first secondary transformer coil 114 is for giving power to the first dimmer itself.
  • the second secondary transformer coil 115 is for giving power to the RF block 130.
  • the transformer may for example be designed such that, during operation, the secondary transformer coils generate an output voltage of 3V. Proper care should be taken when selecting/designing the transformer. To guarantee SELV the transformer for instance has to pass a high voltage test (3750V during 1minute).
  • the primary transformer coil 113 and the second secondary transformer coil 115 are connected over circuitry 124, 125 to the remainder of the circuit; typically for instance a diode and a capacitor as in a typical flyback-switch mode power supply. If a lower voltage ripple is required on the output voltage (typical required for RF) extra filtering (e.g. extra inductor and capacitor,..) or even an LDO (low drop-out) regulator can be placed.
  • the second dimmer 120 comprises a power supply 122.
  • the power supply 112 of the first dimmer 110 is connected with the second dimmer over a second connection for transferring power towards the second dimmer.
  • This power may for example be used for powering control electronics of the dimmer (e.g. for powering microcontrollers).
  • the power supply 112 may comprise a third secondary transformer coil which is connected with the control electronics of the second dimmer such that power can be transferred over this connection.
  • the power supply 122 of the second dimmer 120 is not required since power can be drawn from the power supply 112 of the first dimmer 110.
  • the power supply of the first dimmer and/or the second connection are adapted such that the power supply of the first dimmer is galvanically isolated from the second dimmer.
  • the power transfer to the second dimmer may for example be done by adding a third secondary coil to the transformer of the power supply 112 of the first dimmer 110, wherein this coil is coupled with the primary coil 113.
  • the first dimmer 110 has a first ground 117 shown in FIG. 1 on one side of the first galvanic isolator 119 and on the first dimmer itself.
  • the second dimmer 120 has a second ground 127 shown in FIG. 1 on one side of the second galvanic isolator 129 and on the second dimmer itself.
  • the RF block has a third ground 137 shown in FIG.1 on the opposite side of the first and second galvanic isolators 119, 129 and on the RF block itself.
  • each dimmer comprises a switched line terminal 161, 165, a wired control terminal 162, 166, a line terminal 163, and a neutral terminal 164.
  • the line terminals are connected together at node 163 and the neutral terminals are connected together at node 164.
  • the neutral terminals do not necessarily need to be connected to the neutral of an AC voltage source. When the neutral terminal is not connected this corresponds with a dimmer connected in 2-wire mode. When the neutral terminal is connected this corresponds with a dimmer connected in 3-wire mode.
  • the dimmers may for example be phase cut dimmers.
  • they may comprise a microcontroller (see microcontrollers 111 and 121 in FIG. 1 ).
  • the RF block 130 comprises a microcontroller 132.
  • This microcontroller may be adapted for processing incoming data from the RF antenna 131 and for forwarding the corresponding commands to the concerned dimmer over the communication links 118, 128.
  • control of the dimmers 110, 120 via push buttons or rotary devices may be enabled through the microcontroller 132.
  • Rectangle 141 in FIG. 1 represents a possible push button or rotary device for controlling the first dimmer 110.
  • Rectangle 142 in FIG. 1 represents a possible push button or rotary device for controlling the second dimmer 120.
  • monitoring of the status of the first and second dimmer may be enabled by the microcontroller in the RF block.
  • a power supply may be present in the first dimmer and a power supply may be present in the second dimmer.
  • the power supply of the second dimmer may be configured to power the first dimmer and/or to power the RF block using the secondary transformer coils.
  • both the first dimmer and the second dimmer may have such a power supply. This has as advantage that such a dimmer device has a backup power supply when one of the power supplies fails. Both may for example be used for powering the RF block. In that case, if one of both power supplies fails the RF-block is still powered.
  • the RF-block may even be configured to transmit the failure information of the failing power supply to the user.
  • Dimmer devices according to the present invention may be used for implementing a home automation system. This can for example be implemented by combining them with a smartphone application.
  • the RF block thereby enables communication with the smartphone application.
  • FIG. 2 shows an exemplary dimmer device 100 in accordance with embodiments of the present invention.
  • the dimmer device is similar as the dimmer device in FIG. 1 except that specific implementations of the circuitry is shown. It shows for example how the secondary transformer coil 114 is connected with a controller 202 of the power supply unit 112 and with component 201 of the power supply unit for powering them.
  • Component 201 is a pre-regulator circuit and a 2-wire/3-wire detection circuit. An example of such a pre-regulator circuit and a 2-wire/3-wire detection circuit thereof is explained in EP17200937 , EP17200942 , and EP17200944 .
  • the primary transformer coil 113 and the second secondary transformer coil 115 are connected over circuitry 124, 125 to the remainder of the circuit.
  • the connection between the circuitry 125 and the LDO voltage regulator of the RF block is via the first connection 139.
  • a possible implementation thereof is also shown in this figure.
  • FIG. 2 also shows a possible implementation of a switch unit 204 of the dimmer.
  • the transmitted signal of the microcontroller 111 is the received signal for the microcontroller 132 and vice versa.
  • the communication lines are split in lines 118a and 118b between the microcontroller 111 and the optocouplers 205 and in lines 118c and 118d between the optocouplers and the microcontroller 132 of the RF block 130.
  • An optocoupler is also present between the control terminal 162 and the microcontroller 111.
  • the microcontroller may be configured for receiving dimmer signals from block 203 which may for example comprise a synchronization circuit.
  • the second dimmer has, in this example, similar components as the first dimmer. Communication between the microcontroller 121 of the second dimmer and the microcontroller 132 of the RF block can be implemented similar to the link between the first dimmer and the RF block.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP17200947.4A 2016-11-09 2017-11-09 Configuration d'antenne à double variateur Active EP3322259B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17200947T PL3322259T3 (pl) 2016-11-09 2017-11-09 Konfiguracja anteny podwójnego ściemniacza

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2016/5844A BE1024728B1 (nl) 2016-11-09 2016-11-09 Dubbel dimmer antenne configuratie

Publications (2)

Publication Number Publication Date
EP3322259A1 true EP3322259A1 (fr) 2018-05-16
EP3322259B1 EP3322259B1 (fr) 2020-03-18

Family

ID=58046405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17200947.4A Active EP3322259B1 (fr) 2016-11-09 2017-11-09 Configuration d'antenne à double variateur

Country Status (5)

Country Link
EP (1) EP3322259B1 (fr)
BE (1) BE1024728B1 (fr)
DK (1) DK3322259T3 (fr)
HU (1) HUE049946T2 (fr)
PL (1) PL3322259T3 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2624666A1 (fr) * 2011-11-30 2013-08-07 Hager Controls SAS Dispositif variateur double de l'intensité de la lumière sans raccordement au neutre
US20140313643A1 (en) * 2013-04-18 2014-10-23 Abl Ip Holding, Llc Universal Load Control Cabinet
US9035572B1 (en) * 2012-02-07 2015-05-19 Dolan Designs Incorporated Combined lighting device with an integrated dimming control system
US20150237700A1 (en) * 2011-07-26 2015-08-20 Hunter Industries, Inc. Systems and methods to control color and brightness of lighting devices
WO2015135033A1 (fr) * 2014-03-13 2015-09-17 Kortek Industries Pty Ltd Gradation et commande d'appariement d'éclairage sans fil et par ligne de puissance
US20150296598A1 (en) * 2014-04-11 2015-10-15 Infineon Technologies Ag Contactless Device Configuration
US20150334793A1 (en) * 2012-12-21 2015-11-19 Tridonic Gmbh & Co Kg Master-slave system on the secondary side of a galvanic isolation barrier (selv barrier) of an operating unit
US20150351202A1 (en) * 2014-05-29 2015-12-03 Technical Consumer Products, Inc. Master-slave control arrangement for a lighting fixture
US20160165691A1 (en) * 2014-12-05 2016-06-09 Abl Ip Holding, Llc Systems, apparatus, and methods for converting a bi-level lighting system to a dimmable lighting system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150237700A1 (en) * 2011-07-26 2015-08-20 Hunter Industries, Inc. Systems and methods to control color and brightness of lighting devices
EP2624666A1 (fr) * 2011-11-30 2013-08-07 Hager Controls SAS Dispositif variateur double de l'intensité de la lumière sans raccordement au neutre
EP2624666B1 (fr) 2011-11-30 2014-06-11 Hager Controls SAS Dispositif variateur double de l'intensité de la lumière sans raccordement au neutre
US9035572B1 (en) * 2012-02-07 2015-05-19 Dolan Designs Incorporated Combined lighting device with an integrated dimming control system
US20150334793A1 (en) * 2012-12-21 2015-11-19 Tridonic Gmbh & Co Kg Master-slave system on the secondary side of a galvanic isolation barrier (selv barrier) of an operating unit
US20140313643A1 (en) * 2013-04-18 2014-10-23 Abl Ip Holding, Llc Universal Load Control Cabinet
WO2015135033A1 (fr) * 2014-03-13 2015-09-17 Kortek Industries Pty Ltd Gradation et commande d'appariement d'éclairage sans fil et par ligne de puissance
US20150296598A1 (en) * 2014-04-11 2015-10-15 Infineon Technologies Ag Contactless Device Configuration
US20150351202A1 (en) * 2014-05-29 2015-12-03 Technical Consumer Products, Inc. Master-slave control arrangement for a lighting fixture
US20160165691A1 (en) * 2014-12-05 2016-06-09 Abl Ip Holding, Llc Systems, apparatus, and methods for converting a bi-level lighting system to a dimmable lighting system

Also Published As

Publication number Publication date
DK3322259T3 (da) 2020-04-06
BE1024728B1 (nl) 2018-06-12
PL3322259T3 (pl) 2020-06-15
HUE049946T2 (hu) 2020-11-30
BE1024728A1 (nl) 2018-06-07
EP3322259B1 (fr) 2020-03-18

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