WO2000007304A2 - Dispositif servant a transformer un premier signal electrique en un deuxieme signal electrique et dispositif servant a transformer un signal electrique a moduler en un premier signal electrique - Google Patents

Dispositif servant a transformer un premier signal electrique en un deuxieme signal electrique et dispositif servant a transformer un signal electrique a moduler en un premier signal electrique Download PDF

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Publication number
WO2000007304A2
WO2000007304A2 PCT/DE1999/002293 DE9902293W WO0007304A2 WO 2000007304 A2 WO2000007304 A2 WO 2000007304A2 DE 9902293 W DE9902293 W DE 9902293W WO 0007304 A2 WO0007304 A2 WO 0007304A2
Authority
WO
WIPO (PCT)
Prior art keywords
signal
connection
modulated
coupling element
tapped
Prior art date
Application number
PCT/DE1999/002293
Other languages
German (de)
English (en)
Other versions
WO2000007304A3 (fr
Inventor
Askold Meusling
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2000007304A2 publication Critical patent/WO2000007304A2/fr
Publication of WO2000007304A3 publication Critical patent/WO2000007304A3/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/56—Circuits for coupling, blocking, or by-passing of signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5445—Local network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5466—Systems for power line communications using three phases conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5483—Systems for power line communications using coupling circuits

Definitions

  • Device for transforming a first electrical signal into a second electrical signal and device for transforming an electrical signal to be modulated into a first electrical signal
  • the invention relates to a device for transforming an electrical signal.
  • Such a device is known from [1].
  • This device has a connection at which a first electrical signal can be tapped.
  • the first signal has a carrier frequency signal and an electrical signal to be modulated onto the carrier frequency signal.
  • the electrical signal to be modulated represents a communication signal.
  • the communication signal is to be understood as an electrical signal which enables the transmission of electronic data, for example the transmission of textual data, image data or video data.
  • AC voltage supplied with a frequency of 50 Hz also to transmit electronic data for communication, which enables the use of an energy supply network in the field of data transmission.
  • the device known from [1] has a coupling element which is connected to the connection.
  • an electrical signal to be modulated is obtained from the electrical signal in the coupling element.
  • the modulated signal is modulated onto the carrier frequency signal, whereby the electrical signal is formed.
  • a second connection is provided which is connected to the coupling element. The modulated signal can be tapped or fed at the second connection, depending on the operating mode of the coupling element.
  • An electrical signal to be modulated which represents the communication data, is thus present at the second connection or is supplied to it.
  • FIG. 2 shows an energy supply network 201 to which a house 202 is connected.
  • a base station 203 known from [3] is connected to the energy supply network 201 via an interface 204.
  • the base station 203 is connected to a communication network 206 via a network interface 205.
  • the base station 203 has a processor 207 which is connected via a bus 208 to data conversion cards 209 which are also known from [3] and which in turn are connected to the interface 204 via coaxial lines 210. Furthermore, a high-voltage / medium-voltage transformer element 211 is provided in the energy supply network 201.
  • a high voltage is further understood to mean a voltage of several kilovolts (KV), usually 10 KV, and a medium voltage is a normal operating voltage of approximately 220 V.
  • the house 202 is connected to the energy supply network 201 via a house interface 212.
  • the house interface 212 is connected to the known device described above, which is designated 213 in FIG.
  • a medium-voltage signal which is transmitted on energy lines 214 of the energy supply network 201, is modulated onto the base station 203 by a communication signal, hereinafter referred to as the signal to be modulated.
  • the medium voltage signal is referred to below as the carrier frequency signal.
  • the carrier frequency signal usually has 220 V and a frequency of 50 Hz.
  • the first signal is fed via the house interface 212 to the device 213 described above.
  • the carrier frequency signal 220 is supplied to an electrical counter 214 in a known manner, and the modulated signal 221, which has been demodulated by the carrier frequency signal, is supplied to a first computer 218 and a second computer 219 via a coaxial line 217.
  • a disadvantage of this scenario is that the coaxial cable 217 must be laid in the house 202 from the device 213 to each computer unit 218, 219, ie in the house 202 new lines must be laid in every room in which a computer is provided, to enable data communication via the power supply network 201. This leads to considerable additional effort when planning the house. ses 202 and it also leads to considerable inflexibility in the planning and furnishing of house 202.
  • the invention is therefore based on the problem of specifying a further device for transforming a first electrical signal into a second electrical signal, the first signal having a carrier frequency signal and a modulated signal. Furthermore, the invention is based on the problem of specifying a device for transforming a second electrical signal into a first electrical signal, the first signal having a carrier frequency signal and a modulated signal.
  • a first connection is provided, from which the first signal can be tapped.
  • a voltage transformation element connected to the first connection for transforming the first signal to the second signal and a coupling element likewise connected to the first connection for determining the signal to be modulated from the first signal are provided.
  • a second connection is provided which is connected to the voltage transformation element and at which second connection the second signal can be tapped.
  • the signal to be modulated can be tapped at a third connection which is connected to the coupling element.
  • the device for transforming an electrical signal to be modulated into a first electrical signal, the first signal having a carrier frequency signal and the modulated signal contains a first connection from which the first signal can be tapped. Furthermore, one with the Most connected voltage transformation element is provided for transforming the first signal to a second signal. A coupling element for forming the first signal from the signal to be modulated and the carrier frequency signal is connected to the first connection. Furthermore, a second connection is provided, which is connected to the voltage transformation element, the second signal being able to be tapped at the second connection. The signal to be modulated can be supplied to a third connection which is connected to the coupling element.
  • the invention can be seen clearly in the fact that a voltage transformation element and the coupling element are contained in one device.
  • the coupling element is connected to a modulation / demodulation unit which is set up in such a way that
  • a demodulated digital signal can be determined from the signal to be modulated, and - In a second operating mode of the modulation / demodulation unit, the signal to be modulated can be formed from a supplied digital signal.
  • the digital signal can be in a format in accordance with any predetermined communication protocol, for example in accordance with the protocol format of the Ethernet or the Universal Serial Bus (USB) or any other protocol format, for example of a local communication network (Local Area Network LAN).
  • any predetermined communication protocol for example in accordance with the protocol format of the Ethernet or the Universal Serial Bus (USB) or any other protocol format, for example of a local communication network (Local Area Network LAN).
  • a protective element is preferably contained in the coupling element for protection against interference, e.g. against overvoltages in order to protect the coupling element and further circuit parts connected to the coupling element from damage.
  • the protective element is preferably overvoltage protection.
  • Figure 1 is a sketch of the device according to a first embodiment
  • Figure 2 is a sketch of an energy supply network with a base station and a house connected to the energy supply network with a device according to
  • Figure 3 is a sketch of an energy supply network with a base station and a house connected to the energy supply network with a device according to
  • Figure 4 is a sketch of a device according to another embodiment.
  • FIG. 3 shows the same as FIG. 2 when using the same reference symbols for the same components, the base station 203, which is connected to the power supply network 201 via the interface 204. Furthermore, the house 202 is connected to the energy supply network 201 via the house connection 212.
  • the signal to be modulated is not coupled or decoupled at the house connection 212, at the counter 216 or in between, but the first signal is first transformed into the second signal in a power supply unit 301 described below and the one to be modulated Signal is also coupled in or out in the power supply 301.
  • the structure of the power supply 301 is shown in detail in Fig.l.
  • the first signal 215 thus has the carrier frequency signal and the signal to be modulated.
  • the first signal 215 is fed to the power supply 301 of the computer 300 via a first connection 101.
  • a voltage transformation element 102 is connected to the first connection 101, with which the first signal 215, which represents a 220 V voltage signal with a frequency of 50 Hz, is transformed to a 5 V voltage signal 103, which is connected to a second connection 104 is connected to the voltage transformation element 102, can be tapped off.
  • a coupling element 105 is connected to the first connection 101, which is set up in such a way that the modulated signal 106 is determined by demodulating the first signal 215 and can be tapped via a third connection 107 connected to the coupling element 105.
  • the power supply 301 thus clearly has both the voltage transformation element 102 and the coupling element 105.
  • the third connection 107 is designed as a coaxial connection for the transmission of the modulated signal.
  • a digital signal 305 can be formed from the signal 217 to be modulated via a modem card 303, which is connected to the third connection 107 via a coaxial cable 304 is connected, can be processed.
  • a memory 308 of the computer 300 is also connected to the bus 307.
  • a screen 311 is provided via a first line 310 and a screen via a second line 312
  • Keyboard 313 and a computer mouse 315 connected to computer 300 via a third line 314.
  • FIG. 1 shows an alternative exemplary embodiment of the power supply unit 301 from FIG. 1.
  • a first connection 402 is provided in the power supply unit 401, to which the first signal 215 can be supplied. With the first arrival Termination 402 is the voltage transformation element 404 connected. With the voltage transformation element, a low-voltage signal of the size 5 V 404, the first signal 215 with 220 V AC voltage is formed and can be tapped via the second connection 405, which is connected to the voltage transformation element 403.
  • the coupling element 406 is also connected to the first connection 402, the signal 106 to be modulated being determined from the first signal 215 by the coupling element 406 by demodulation.
  • the third connection 408 in the power supply 401 also connects the modem card 409 with which the signal 407 to be modulated is converted into the digital signal 410.
  • the digital signal 410 can be tapped directly via a fourth connection of the power supply unit 411.
  • the modem card 409 is also connected to the second connection 405, via which the low-voltage signal of size 5 V 404 can be fed to the modem card 409.
  • the processor 306 can thus be connected to the power supply 301, 401 via the bus 307.
  • the digital signal 410 in the modem card 303, 409 is correspondingly fed to the coupling element 105, 406 as a signal 217, 407 to be modulated via the third connection 107, 408.
  • the signal 217, 407 to be modulated is modulated onto the carrier frequency signal in the coupling element 105, 406 and is fed directly to the power supply network 201 via the house connection 212 via the first connection 101, 402 of the power supply 301, 401.
  • the power supply 301, 401 does not necessarily have to be contained in a computer 300, but it can also be used directly with another technical device, e.g. connected to a television, a washing machine or a heating controller or a network computer.
  • any communication protocol e.g. the Transport Control Protocol / Internet Protocol (TCP / IP) can be used.
  • TCP / IP Transport Control Protocol / Internet Protocol
  • any number of further connections are provided on the power supply unit, the further connections being connected to the voltage transformation element and further voltage signals being tapped off at the further connections, e.g. a 10 V DC voltage or voltages of other specifiable values.
  • modulation-demodulation unit for example a unit for the analog module tion signal processing is included and other parts of the modulation demodulation unit is realized in an electrical device connected to the device. It is also possible to use function modules for the modulation / demodulation unit which are already contained in the electrical device, for example electronic assemblies for signal processing or processors.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

Le dispositif (301) selon l'invention comporte une première borne (101) au niveau de laquelle peut être prélevé un premier signal (215). Ce premier signal comprend un signal de porteuse et un signal à moduler (106). Un élément de transformation de tension (102), servant à transformer le premier signal en un deuxième signal, est raccordé à la première borne. Un élément de couplage (105) servant à déterminer le signal à moduler à partir du premier signal est également raccordé à la première borne. Le deuxième signal peut être prélevé au niveau d'une deuxième borne (104) reliée à l'élément de transformation de tension. Le signal à moduler peut être prélevé au niveau d'une troisième borne (107) reliée à l'élément de couplage.
PCT/DE1999/002293 1998-07-27 1999-07-26 Dispositif servant a transformer un premier signal electrique en un deuxieme signal electrique et dispositif servant a transformer un signal electrique a moduler en un premier signal electrique WO2000007304A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833714 1998-07-27
DE19833714.0 1998-07-27

Publications (2)

Publication Number Publication Date
WO2000007304A2 true WO2000007304A2 (fr) 2000-02-10
WO2000007304A3 WO2000007304A3 (fr) 2000-06-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1999/002293 WO2000007304A2 (fr) 1998-07-27 1999-07-26 Dispositif servant a transformer un premier signal electrique en un deuxieme signal electrique et dispositif servant a transformer un signal electrique a moduler en un premier signal electrique

Country Status (1)

Country Link
WO (1) WO2000007304A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001067630A1 (fr) * 2000-03-08 2001-09-13 Ascom Powerline Communications Ag Couplage d'une tete de ligne a un reseau de distribution basse tension
DE102004046186A1 (de) * 2004-09-23 2006-04-06 Siemens Ag Umsetzermodul zur Datenkommunikation über eine Energieversorgungsleitung und Schiff
US7091831B2 (en) 2001-10-02 2006-08-15 Telkonet Communications, Inc. Method and apparatus for attaching power line communications to customer premises
USRE40492E1 (en) 2000-02-10 2008-09-09 Telkonet Communications, Inc. Power line telephony exchange

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186873A (en) * 1978-04-25 1980-02-05 Russel W. Geisler Humidity control system and circuitry
GB2116406A (en) * 1982-02-26 1983-09-21 Casio Computer Co Ltd Pulse code-transmitting apparatus
WO1995015036A1 (fr) * 1993-11-24 1995-06-01 Remote Metering Systems Ltd. Procede et appareil pour le couplage de signaux a une tension moyenne dans un systeme de communications par ligne a courant porteur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186873A (en) * 1978-04-25 1980-02-05 Russel W. Geisler Humidity control system and circuitry
GB2116406A (en) * 1982-02-26 1983-09-21 Casio Computer Co Ltd Pulse code-transmitting apparatus
WO1995015036A1 (fr) * 1993-11-24 1995-06-01 Remote Metering Systems Ltd. Procede et appareil pour le couplage de signaux a une tension moyenne dans un systeme de communications par ligne a courant porteur

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE40492E1 (en) 2000-02-10 2008-09-09 Telkonet Communications, Inc. Power line telephony exchange
WO2001067630A1 (fr) * 2000-03-08 2001-09-13 Ascom Powerline Communications Ag Couplage d'une tete de ligne a un reseau de distribution basse tension
US7091831B2 (en) 2001-10-02 2006-08-15 Telkonet Communications, Inc. Method and apparatus for attaching power line communications to customer premises
DE102004046186A1 (de) * 2004-09-23 2006-04-06 Siemens Ag Umsetzermodul zur Datenkommunikation über eine Energieversorgungsleitung und Schiff

Also Published As

Publication number Publication date
WO2000007304A3 (fr) 2000-06-22

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