EP2206412B1 - Procédé et système de commande et d'alimentation en énergie d'au moins un consommateur électrique - Google Patents

Procédé et système de commande et d'alimentation en énergie d'au moins un consommateur électrique Download PDF

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Publication number
EP2206412B1
EP2206412B1 EP08801869.2A EP08801869A EP2206412B1 EP 2206412 B1 EP2206412 B1 EP 2206412B1 EP 08801869 A EP08801869 A EP 08801869A EP 2206412 B1 EP2206412 B1 EP 2206412B1
Authority
EP
European Patent Office
Prior art keywords
voltage
control information
frequency
electrical
power
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.)
Not-in-force
Application number
EP08801869.2A
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German (de)
English (en)
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EP2206412A1 (fr
Inventor
Arnold Zender
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Individual
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Individual
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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
    • H05B47/185—Controlling the light source by remote control via power line carrier transmission

Definitions

  • the invention relates to a method for driving and power supply of at least one electrical load, wherein the at least one electrical load wired electrically conductive with an energy source is connected, wherein the electrical energy by means of an AC voltage and control information for controlling the at least one electrical load by means of a frequency modulation of AC power used for the power supply are transmitted to the electrical load, wherein the electrical energy and the control information are transmitted on the same lines, wherein the control information is transmitted in binary form, and wherein individual binary values by a respectively associated, predetermined frequency of the energy supply used AC voltage are shown and transmitted.
  • control information for controlling display elements is transmitted by a frequency modulation of the AC voltage used for the power supply.
  • To evaluate the control information which is not described in detail, separate evaluation units are used.
  • Lighting systems are also known in practice in which the power supply is wired and the control is wireless, for example by radio transmission, infrared or ultrasound transmission.
  • Object of the present invention is therefore to provide a method for controlling and power supply of at least one electrical load in such a way that the control of the electrical loads can be realized as inexpensively and insensitive to interference. Both the installation and the commissioning and control of individual electrical consumers should be as simple as possible.
  • each binary value is transmitted by a plurality of oscillations of the AC voltage, wherein the number of vibrations transmitted for a binary value is proportional to the respectively associated frequency of the AC voltage and wherein each binary value has an identical time length.
  • a significant advantage in the transmission of control information through frequency modulation of the AC voltage used for the power supply is that the same lines can be used to provide the electrical load with both power and control information. Separate control lines or complex bus systems are not required.
  • connection line can also be provided for a polarized use and connected accordingly.
  • control information is transmitted in binary form, with individual binary values being represented and transmitted by an respectively assigned, predefined frequency of the alternating voltage used for the energy supply.
  • An immediate switching of the frequency of the alternating voltage used for the energy supply between two frequencies in the ratio 10:11 has proved to be particularly advantageous in the first experiments.
  • a binary 1 may be represented and transmitted by a higher frequency and a binary 0 by a lower frequency of the AC voltage used for the power supply.
  • each bit can be assigned to not only one, but several different frequencies of the AC voltage.
  • a single binary control information that is to say a single bit, accordingly corresponds in each case to a plurality of successive pulses of the alternating voltage.
  • the number of vibrations transmitted for a binary value is proportional to the respectively assigned frequency of the AC voltage.
  • a constant length of each information unit or of each binary value for the control information can be ensured.
  • the smallest unit of control information, a bit cell therefore always has the same time length.
  • carried out in the electrical consumer evaluation of the control information can be done with commercially available clock-controlled components.
  • structured data formats and / or a specifiable transmission protocol are used for the transmission of the control information.
  • the electrical consumers are assigned a unique address and the control information in each case contain an address information identifying the controlled electrical consumer.
  • a plurality of electrical consumers can be combined to form a group with a common group address and the control information can contain a group address information identifying the group.
  • This group address information may be provided instead of or in addition to the address information of a single electrical load and transmitted with the control information.
  • each consumer could also belong to several groups.
  • the frequency of the alternating voltage used for the power supply is at least five kHz, preferably at least ten kHz and particularly preferably more than 20 kHz.
  • the use of an AC voltage with a frequency above the audible limit also has other advantages such as the possibility of using inexpensive commercial components.
  • the AC voltage used is only several hundred hertz or about one to five kHz, if required by the respective applications, or allow.
  • suitable frequency division (factors 240 and 264) can easily and inexpensively generate the frequencies of 30.3 kHz and 33.3 kHz which are suitable for transmitting the energy and the control information.
  • frequencies of 60.6 kHz and 66.6 kHz with the ratio 132 to 120 and 121.2 kHz to 133.3 kHz with the ratio of 66 to 60 can also be used.
  • a conceivable variant could also be a bitwise change of the frequency (frequency-width modulation) represent with the advantage of a significantly higher transferable data rate.
  • the edge steepness of the AC voltage used for the power supply can be reduced compared to a low-cost rectangular signal. It is particularly important to avoid or suppress odd harmonics of the relevant frequencies for the AC voltage in order to increase the reliability and reduce transmission losses.
  • the highest possible frequency is used for the alternating voltage used for the energy supply without transmission of control information.
  • a system for driving and power supply of at least one electrical load with at least one electrical load which is electrically connected by means of a cable with an energy source can be provided.
  • the system can be arranged, for example, a suitable device arranged between the energy source and the at least one electrical load for generating an AC voltage, which has a device for frequency modulation of the AC voltage.
  • the electrical load may, for example, have a decoder which can detect the frequency modulation of the AC voltage and convert it into a control signal for controlling the electrical load.
  • a suitable decoder can in most cases be assembled inexpensively from commercially available electronic and electrical components. Conceivable, for example, would be a cheap microprocessor with or without additional commercially available components or an individually developed and programmed microprocessor.
  • the decoder may also have a universal asynchronous receiver and transmitter (UART).
  • UART universal asynchronous receiver and transmitter
  • a suitable UART can be emulated, for example, as part of a commercially available microcontroller, or microprocessor or software cost.
  • a reliable decoding of the control signals is possible in this way easily and inexpensively.
  • a constant clock for transmitting the control signals or a constant length of the transmitted control signals is not required when using a UART.
  • a clock can be determined from the transmitted data for each transmission.
  • the device for generating an alternating voltage may, for example, have a harmonic filter.
  • a suitable harmonic filter in particular disturbing harmonics can be filtered out before transmission, which occur when using inexpensive rectangular signals for the generation of AC voltage and can not be completely suppressed.
  • the cable has a shield between the device for generating an alternating voltage and the electrical consumer.
  • the system may, for example, also comprise at least one supply module, by means of which electrical consumers can be supplied with energy and control information.
  • the loads can be connected to the supply module (s) by means of two or single-wire or three-wire (three-phase) wires. Separate control information lines or lines for control voltages are superfluous.
  • the network interference suppression and protection provided centrally in the supply module, or corresponding devices can be arranged there.
  • the respective consumers therefore do not need these devices for network interference and are thus more compact, simpler and cheaper to produce.
  • An optionally required power supply of the control devices can be obtained from the supply voltage.
  • the line can be galvanically isolated on the generator and / or on the load side via transformers.
  • transformers are small and inexpensive available.
  • the supply module may further comprise a rectifier and a smoothing capacitor, in particular intermediate circuit capacitor, for producing the non-polar voltage.
  • the power supply of the supply modules can be a DC voltage and an existing power grid such as a wiring system for vehicles or ships are removed.
  • the supply voltage of the supply modules is a single-phase or three-phase AC voltage.
  • the supply modules may include a Power Factor Control (PFC) device for suppression of Power disturbances and / or a device for stabilizing the DC link voltage include.
  • PFC Power Factor Control
  • the supply modules may further include a device for controlling and regulating the magnitude of the output voltage.
  • the supply modules may also include a transformer at the output to the loads to arbitrarily adjust the network or DC link voltage to the requirements of the system.
  • the supply modules may include an output stage consisting of electronic power semiconductor switches such as FETs or IGBTs.
  • the output stage may in turn include a capacitor in series with the output transformer and / or electronic power semiconductors in full or half-bridge circuit.
  • the supply modules may include on the output side to the loads a series connection of a capacitor and a resistor for suppression of overvoltage spikes.
  • the supply modules may include a device for measuring the temperature of the module and / or the final stage, in order to be able to cause a shutdown of the power amplifier or limiting the power in the event of an unacceptable increase in the temperature.
  • the supply modules may include a device for measuring and, optionally in multiple stages, limiting the current flowing through the output stage.
  • the supply modules may additionally include a device for quickly switching off the power amplifier when the current is too high.
  • the supply modules may include a device for dissipating the heat loss from the final stage and other lossy components.
  • the supply modules may include means for limiting the maximum input current at power up.
  • the supply modules may include a line filter and / or comparable suitable devices for protection against mains overvoltages and transients.
  • One or more supply modules may include a circuit for supplying electrical power to the parent bus structure.
  • the supply modules may include a circuit for galvanic isolation from the parent bus structure.
  • the supply modules may include one or more chokes behind the final stage or LC filters to limit the rate of rise of the voltage.
  • the supply module and / or a consumer can at least one Transmitter and / or a receiving circuit include, which are provided for data transmission on the supply line.
  • the one or more supply modules and one or more consumers may be connected to each other and / or to one or more controllers via a data bus system.
  • the system can be used for example for controlling lighting devices or for controlling actuators.
  • the system can be combined with existing communication and control systems including bus systems and bus structures such as Instabus (European Installation Bus EIB) and thereby integration into complex and at least partially existing systems is possible.
  • existing communication and control systems including bus systems and bus structures such as Instabus (European Installation Bus EIB) and thereby integration into complex and at least partially existing systems is possible.
  • the wiring between the supply module and electrical consumers may include separate distribution boxes.
  • Cabling between supply modules and electrical consumers can be done using special low-capacitance cables (especially less than 30pF / m).
  • the wiring can have suitable connector devices in cutting and / or clamping technology.
  • FIG. 1 In each case a sequence of binary values 1 is shown in the uppermost row, which in its entirety corresponds to a control information for controlling an electrical consumer.
  • Each binary value 1 has an identical time length of associated bit cells.
  • the FIG. 1 a sequence of frequency-modulated oscillations 2 of an AC voltage 3 used for the power supply shown.
  • FIG. 1 Also shown schematically a phase-modulated sequence of individual oscillations 4 of the AC voltage 3.
  • a phase-modulated sequence of individual oscillations 4 of the AC voltage 3 On the basis of the different phases at the beginning of each information unit or bit cell can be closed to the binary value 1 transmitted in this way and thus at several binary values 1 to an optionally complex control information.
  • Each electrical load 5 may for example consist of a lighting device 6 or any actuator 7.
  • Suitable lighting devices 6 may consist of one or more light-emitting diodes (LEDs) or other light sources with possibly different color and brightness.
  • Actuators 7 may be, for example, actuators for blinds, shutters or door openers and from various Assemblies and / or circuit boards such as motors, relays, solenoids or valves and other suitable actuators exist.
  • lighting devices 6 and actuators 7 can also form a functional unit and together represent an electrical consumer 5.
  • the design and uses of the electrical load 5 can be almost arbitrarily diverse and include, for example, the areas shower, wash and bath fittings, heating, air conditioning and ventilation control and electrically operated sun visors, door drives and safety devices.
  • the electrical loads 5 are electrically conductively connected to a device for generating an AC voltage 9 via two-core, unpolished connecting lines 8.
  • This device for generating an alternating voltage 9 in turn has a device for frequency modulation 10 of the alternating voltage.
  • the device for generating an alternating voltage 9 can either be supplied in turn with the usual alternating voltages of 50 or 60 Hz at 220 volts or 110 volts, be supplied with the known in certain networks AC voltages of 16 Hz or 400 Hz or, for example, with DC power.
  • the working voltage of the system for driving and powering the electrical loads 5 is advantageously between 40 and 120 volts effectively. In particular, for example, 48V are interesting, since there are still no major requirements and the contact security.
  • the operation and control of the device for generating an AC voltage 9 and the device for frequency modulation 10 of the AC voltage can be controlled either directly via USB, Internet, ip, W-Lan or the like, or a separate, non-compliant bus structure such as one on RS485 based bus structure ..
  • connection line 8 may be controlled by a central control unit or by a plurality of decentralized control units.
  • the individual connection lines 8 may also comprise optical fiber components.
  • the individual electrical loads 5 can be arranged one behind the other, in parallel or in a star shape. Any mixed structures are possible. In particular, it is also possible without the use of filter devices or fitting members to produce by the use of suitable connecting elements linear structures of juxtaposed electrical loads 5.
  • the control of individual functions of the electrical loads 5 via a predetermined protocol with a unique identification of the selected electrical load 5 and subsequently transmitted data which optionally consists of a unique synchronous code, addressing, a length specification, a command code, an index, test data and payload ( Payload) in any or specified order.
  • Each electrical consumer 5 can be assigned a unique identification number. This identification number or address can be reproduced in an accompanying product description or directly, or by means of stickers on the electrical consumer 5 in order to identify it, for example, during installation.
  • This identification can also be achieved by special methods, e.g. one of the utility function aufmodul striv code done.
  • the electrical load 5 additionally transmits, for example, status information wirelessly to a central receiving unit, which can evaluate and display the individual status information.
  • FIG. 3 a device for generating an alternating voltage 9 and an electrical load 5 with a respective electrical circuit are shown by way of example.
  • the device for generating AC voltage 9 is supplied via supply lines 11 shown on the left with electrical energy.
  • an AC voltage suitable for the power supply of the electrical load 5 is generated by means of an actuator 15 and a transformer 16, which is fed via a further filter 12 in the two-wire twisted connection line 8.
  • the actuator 15 can also be changed between different frequencies of the AC voltage to frequency modulated to transmit a control signal to the electrical load 5.
  • the use of a filter 12 or a rectifier 13 is dependent on the fed via the supply line 11 energy form.
  • the incoming at the electrical load 5 AC voltage is supplied via a filter 12 and a transformer 16 to a decoder 17 which determine the frequency modulation or the predetermined frequency and can transmit to a control device 18 for controlling the electrical load 5.
  • the controller is preferably a suitably configured and programmed microprocessor. If desired, the incoming AC voltage again through a rectifier 13, a DC link 14 and an actuator 15, and a filter 12 in another Connecting line 8 are fed to connect a further electrical load 5.

Landscapes

  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (7)

  1. Procédé pour commander et alimenter en énergie au moins une charge électrique (5), dans lequel l'au moins une charge électrique (5) peut être connectée à une source d'énergie peut être connectée de manière électriquement conductrice par une liaison par fil, dans lequel l'énergie électrique est transmise à la charge électrique (5) au moyen d'une tension alternative et des informations de commande sont transmises pour commander l'au moins une charge électrique (5) au moyen d'une modulation de fréquence de la tension alternative utilisée pour l'alimentation en énergie, dans lequel l'énergie électrique et les informations de commande sont transmises sur les mêmes conducteurs, dans lequel les informations de commande sont transférées sous forme binaire et dans lequel des valeurs binaires individuelles (1) sont représentées et transférées par l'intermédiaire d'une fréquence prédéterminée respective associée de la tension alternative utilisée pour l'alimentation en énergie, caractérisé en ce que chaque valeur binaire (1) est transmise par l'intermédiaire de plusieurs oscillations de la tension alternative, dans lequel le nombre des oscillations transmises pour une valeur binaire (1) est proportionnel à la fréquence respective associée de la tension alternative et dans lequel chaque valeur binaire (1) présente une longueur temporelle identique.
  2. Procédé selon la revendication 1, caractérisé en ce que pour transférer les informations de commande, on utilise des formats de données structurés et/ou un protocole de transmission pouvant être prédéterminé.
  3. Procédé selon la revendication 2, caractérisé en ce qu'une adresse unique est associée aux charges électriques et en ce que les informations de commande contiennent respectivement une information d'adresse identifiant la charge électrique commandée.
  4. Procédé selon l'une des revendications 2 ou 3, caractérisé en ce qu'une pluralité de charges électriques peuvent être rassemblées en un groupe ayant une adresse de groupe commune et en ce que les informations de commande peuvent contenir une information d'adresse de groupe identifiant le groupe.
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la fréquence de la tension alternative utilisée pour l'alimentation en énergie est d'au moins 5 kHz et de préférence, d'au moins 10 kHz et de façon particulièrement préférée, de plus de 20 kHz.
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la tension alternative utilisée pour l'alimentation en énergie présente une faible pente des fronts.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une valeur binaire de "1" est transmise à une fréquence la plus élevée possible.
EP08801869.2A 2007-09-07 2008-09-05 Procédé et système de commande et d'alimentation en énergie d'au moins un consommateur électrique Not-in-force EP2206412B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007042508A DE102007042508A1 (de) 2007-09-07 2007-09-07 Verfahren und System zur Ansteuerung und Energieversorgung von mindestens einem elektrischen Verbraucher
PCT/EP2008/007275 WO2009033610A1 (fr) 2007-09-07 2008-09-05 Procédé et système de commande et d'alimentation en énergie d'au moins un consommateur électrique

Publications (2)

Publication Number Publication Date
EP2206412A1 EP2206412A1 (fr) 2010-07-14
EP2206412B1 true EP2206412B1 (fr) 2013-05-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08801869.2A Not-in-force EP2206412B1 (fr) 2007-09-07 2008-09-05 Procédé et système de commande et d'alimentation en énergie d'au moins un consommateur électrique

Country Status (5)

Country Link
US (1) US8436487B2 (fr)
EP (1) EP2206412B1 (fr)
CN (1) CN101849437B (fr)
DE (1) DE102007042508A1 (fr)
WO (1) WO2009033610A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE102014114150A1 (de) * 2014-09-29 2016-03-31 Linksrechts Ingenieurgesellschaft Mbh Innenbeleuchtungssystem für Schiffe und U-Boote

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6967747B2 (ja) * 2017-03-03 2021-11-17 パナソニックＩｐマネジメント株式会社 電力伝送システム

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DE9116534U1 (de) * 1991-08-20 1993-04-01 Werth, Herbert, 4690 Herne Fernsteuersystem für Niedervoltleuchten
US5471119A (en) 1994-06-08 1995-11-28 Mti International, Inc. Distributed control system for lighting with intelligent electronic ballasts
JP3374668B2 (ja) * 1996-09-09 2003-02-10 株式会社豊田自動織機 移動体の通信方法及び通信システム
DE19911217B4 (de) * 1999-03-12 2018-03-15 Sew-Eurodrive Gmbh & Co Kg Umrichtersystem, umfassend mindestens einen Umrichter und Versorgungsleitungen zur Verkabelung
DE10162941C1 (de) 2001-12-20 2003-08-14 Appel Elektronik Gmbh Beleuchtungssystem mit separat dimmbaren Niedervolt-Halogenlampen
GB0202426D0 (en) * 2002-02-01 2002-03-20 Halse Nigel J Display system
US6998963B2 (en) * 2003-07-24 2006-02-14 Hunt Technologies, Inc. Endpoint receiver system
CN2660799Y (zh) * 2003-12-18 2004-12-01 重庆智多信息发展有限公司 单pc资源可重组型网络安全隔离装置
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CN1991681B (zh) * 2005-12-30 2010-05-12 英业达股份有限公司 避免按压电源开关中断bios更新的系统及其方法
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Publication number Priority date Publication date Assignee Title
DE102014114150A1 (de) * 2014-09-29 2016-03-31 Linksrechts Ingenieurgesellschaft Mbh Innenbeleuchtungssystem für Schiffe und U-Boote

Also Published As

Publication number Publication date
CN101849437B (zh) 2015-05-06
WO2009033610A1 (fr) 2009-03-19
EP2206412A1 (fr) 2010-07-14
DE102007042508A1 (de) 2009-03-26
US20110175459A1 (en) 2011-07-21
US8436487B2 (en) 2013-05-07
CN101849437A (zh) 2010-09-29

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