EP2954592B1 - Arrangement, in particular system, for signal transmission - Google Patents

Arrangement, in particular system, for signal transmission Download PDF

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Publication number
EP2954592B1
EP2954592B1 EP14703028.2A EP14703028A EP2954592B1 EP 2954592 B1 EP2954592 B1 EP 2954592B1 EP 14703028 A EP14703028 A EP 14703028A EP 2954592 B1 EP2954592 B1 EP 2954592B1
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EP
European Patent Office
Prior art keywords
attenuation member
additional
antenna
transmitter
receiver
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EP14703028.2A
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German (de)
French (fr)
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EP2954592A1 (en
Inventor
Thomas Schäfer
Josef Schmidt
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SEW Eurodrive GmbH and Co KG
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SEW Eurodrive GmbH and Co KG
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Priority to PL14703028T priority Critical patent/PL2954592T3/en
Publication of EP2954592A1 publication Critical patent/EP2954592A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/16—Continuous control along the route
    • B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
    • B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3225—Cooperation with the rails or the road
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/22—Longitudinal slot in boundary wall of waveguide or transmission line

Definitions

  • the invention relates to an arrangement, in particular system, for signal transmission.
  • the invention is therefore the object of developing a system, the signal transmission should be done safely.
  • the signals generated by a transmitter are fed to a first attenuator which feeds a first antenna, which at least partially protrudes into a slot waveguide, in particular into the cavity of the slot waveguide, wherein from a further, in the slot waveguide, in particular in the cavity of the slot waveguide, at least partially protruding antenna signals are fed to another attenuator, which feeds a receiver, in particular wherein the further antenna is arranged at a distance from the first antenna in slot waveguide direction, in particular rail direction, and in particular is arranged separately.
  • the advantage here is that no override of the receiver occurs.
  • the transmitter downstream of the attenuator signal generated by the transmitter so strongly attenuated that arranged outside the slot waveguide receiver, which are connected to an antenna without the interposition of an attenuator, yet reaches no disturbing signal strength. Because the signals sent by the transmitter and attenuated by the attenuator signals are very weak, in addition, the slot of the slot waveguide also produces an attenuation.
  • Another advantage is that the signal transmission path can be used bidirectionally with the same advantages. Thus, the attenuation is unchanged even in the reverse direction signal transmission.
  • the first and the further attenuator are of similar construction.
  • the advantage here is that for the production of only a single type of attenuators is necessary.
  • the first and / or the further attenuator are designed as electrical attenuator, wherein the first or the further attenuator is arranged on a rail-guided vehicle of the arrangement along a rail, wherein the slot waveguide is laid along the rail, in particular parallel to the rail, is fastened in particular to the rail or is made in one piece, ie in one piece, with the rail, in particular as a continuous casting.
  • the signal transmission is made possible by a stationarily arranged transmitter to a receiver arranged on the vehicle or from a transmitter arranged on the vehicle to a stationarily arranged receiver.
  • the transmission between two rail vehicles executable, and here the disturbance of other receivers is negligible.
  • the rail vehicle can be executed as monorail monorail vehicle.
  • the attenuator has an electrical quadrupole, wherein the electrical quadrupole has a ⁇ or T circuit of impedances, wherein the respective impedance consists of a parallel connection of an inductance, an ohmic resistance and a capacitance, in particular, wherein the quadripole on the input side and output impedance matched, so wave adapted, is adapted to the respectively connected coaxial cable, in particular to 50 ohms.
  • the advantage here is that a cost-effective production of the quadrupole is possible.
  • the emerging from the slot waveguide radiation due to the attenuator is so low that the sensitivity threshold of further arranged in the system receiver is not exceeded.
  • the advantage here is that no interference with other recipients is possible. Also, the radiated by Störstrahlern in the slot waveguide radiation is not disturbing, since this radiation is attenuated by the further attenuator.
  • the transmitter is connected via a coaxial cable to the first attenuator and the first attenuator to the first antenna via another coaxial cable, wherein the further antenna is connected via a coaxial cable to the second attenuator, which in turn is connected via a coaxial cable to the receiver.
  • the first attenuator is selectively connectable to the transmitter or to another receiver
  • the second attenuator is selectively connectable to the receiver or to another transmitter, wherein for selection in each case a controllable electronic switch is used.
  • the advantage here is that the signal transmission is bidirectional executable. This means that instead of the transmitter, a receiver is connected to the corresponding coaxial cable to the corresponding first attenuator and instead of the receiver at the other end of the signal transmission channel a transmitter is connected via the corresponding coaxial cable with the further attenuator.
  • the slot waveguide has a slot which extends parallel to the rail.
  • the advantage here is that a signal transmission to the rail vehicle is possible.
  • the rail vehicle can be executed as monorail monorail vehicle.
  • FIG. 1 an arrangement according to the invention is schematically sketched.
  • a vehicle 6 is movable along an elongate slot waveguide 1 laid in a system.
  • the vehicle is preferably a vehicle 6 movable on a rail, wherein the slot waveguide 1 is laid parallel to the rail, in particular is fastened to the rail.
  • a frequency between 1 GHz and 10 GHz is used.
  • the vehicle 6 has a connectable to a transmitter and / or receiver communication interface, to which the output signal of an attenuator 4 by means of a coaxial cable 5 can be introduced or the signal generated by the transmitter via the coaxial cable 5 to the attenuator 4 can be moved.
  • the attenuator is, in particular on its other side, connected to an antenna which projects into the slot waveguide 1 at least partially.
  • signals can be switched on or off.
  • the carriage 6 is movable along with the antenna attached to it along the slot of the slot waveguide 1.
  • another antenna is stationarily arranged on the slot waveguide, which by means of a coaxial conductor, a signal from another attenuator 2 can be supplied or a received signal from the antenna to this further attenuator 2 can be moved.
  • This further attenuator 2 is supplied on the other side, in particular input side, a signal by means of a coaxial cable 3 from a transmitter or from this further attenuator 2 dissipated to a receiver.
  • a signal transmission from the transmitter of the vehicle via the attenuator 4 and the slot waveguide 1 is made possible to the stationarily arranged transmitter, wherein the signal received from the stationary antenna is passed through the attenuator 4 before it reaches the receiver.
  • the attenuators (2, 4) also prevent oversteer of the respective receiver, for example, when the antenna of the vehicle is very close to the stationary antenna.
  • the attenuator (2, 4) is in each case designed as an electrical attenuator, wherein it is designed as an electrical quadrupole, which has a ⁇ or T circuit of impedances, in each case as an ohmic resistor with a parallel-connected capacitor and a parallel-connected inductance, and on both sides, on the input side and on the output side, to the wave impedance of the coaxial conductor (3, 5) is adjusted. This is preferably 50 ohms.
  • a communication between two similar vehicles is carried out, wherein each of the vehicles comprises an attenuator 4.
  • each of the vehicles comprises an attenuator 4.
  • the exiting radiation is damped to a small degree, the incoming interference radiation also damped and prevents oversteer.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Near-Field Transmission Systems (AREA)
  • Waveguide Aerials (AREA)
  • Transmitters (AREA)

Description

Die Erfindung betrifft eine Anordnung, insbesondere Anlage, zur Signalübertragung.The invention relates to an arrangement, in particular system, for signal transmission.

Es ist allgemein bekannt, dass Signale in Form von elektromagnetischen Wellen entlang eines Hohlraumes eines Hohlleiters, insbesondere Schlitzhohlleiters, übertragbar sind.It is well known that signals in the form of electromagnetic waves along a cavity of a waveguide, in particular slot waveguide, are transferable.

Aus der WO 2011/047777A2 ist als nächstliegender Stand der Technik eine Anlage mit einem schienenführten Fahrzeug bekannt.From the WO 2011 / 047777A2 As the closest prior art, a system with a rail-guided vehicle is known.

Aus der DE 10 2011 108584 A1 ist eine Anordnung zur Datenübertragung zwischen einem ersten Anlagenteil und einem relativ zum ersten Anlagenteil verfahrbaren Mobilteil bekannt.From the DE 10 2011 108584 A1 an arrangement for data transmission between a first part of the plant and a movable relative to the first part of the plant handset is known.

Aus der DE 10 2008 025073 A1 ist eine Anlage, umfassend einen Fahrwagen und eine stationär angeordnete Steuerung bekannt.From the DE 10 2008 025073 A1 is a system comprising a carriage and a stationary control known.

Aus der EP 0 456 921 A1 ist ein Dämpfungsglied bekannt.From the EP 0 456 921 A1 an attenuator is known.

Aus der EP 2 214 310 A1 ist eine Multiband-Abgleich-Schaltung bekannt.From the EP 2 214 310 A1 For example, a multiband alignment circuit is known.

Aus der US 2 567 380 A ist ein als elektrisches T-Glied ausgeführter Vierpol bekannt.From the US 2 567 380 A is known as an electric T-member executed quadrupole known.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Anlage weiterzubilden, wobei die Signalübertragung sicher erfolgen soll.The invention is therefore the object of developing a system, the signal transmission should be done safely.

Erfindungsgemäß wird die Aufgabe bei der Anordnung nach den in Anspruch 1 angegebenen Merkmalen gelöst.According to the invention the object is achieved in the arrangement according to the features specified in claim 1.

Wichtige Merkmale der Erfindung bei der Anordnung, insbesondere Anlage, zur Signalübertragung sind, dass die von einem Sender erzeugten Signale einem ersten Dämpfungsglied zugeleitet werden, das eine erste Antenne speist, welche zumindest teilweise in einen Schlitzhohlleiter, insbesondere in den Hohlraum des Schlitzhohlleiters, hineinragt,
wobei von einer weiteren, in den Schlitzhohlleiter, insbesondere in den Hohlraum des Schlitzhohlleiters, zumindest teilweise hineinragenden Antenne empfangene Signale einem weiteren Dämpfungsglied zugeleitet werden, das einen Empfänger speist,
insbesondere wobei die weitere Antenne von der ersten Antenne in Schlitzhohlleiterrichtung, insbesondere Schienenrichtung, beabstandet angeordnet ist, insbesondere getrennt angeordnet ist.Important features of the invention in the arrangement, in particular system, for signal transmission are that the signals generated by a transmitter are fed to a first attenuator which feeds a first antenna, which at least partially protrudes into a slot waveguide, in particular into the cavity of the slot waveguide,
wherein from a further, in the slot waveguide, in particular in the cavity of the slot waveguide, at least partially protruding antenna signals are fed to another attenuator, which feeds a receiver,
in particular wherein the further antenna is arranged at a distance from the first antenna in slot waveguide direction, in particular rail direction, and in particular is arranged separately.

Von Vorteil ist dabei, dass keine Übersteuerung des Empfängers auftritt. Außerdem wird durch das dem Sender nachgeschaltete Dämpfungsglied das vom Sender erzeugte Signal derart stark abgedämpft, dass außerhalb des Schlitzhohlleiters angeordnete Empfänger, die mit einer Antenne ohne Zwischenordnung eines Dämpfungsglieds verbunden sind, trotzdem keine störende Signalstärke erreicht. Denn die vom Sender gesendeten und vom Dämpfungsglied abgedämpften Signale sind sehr schwach, wobei zusätzlich der Schlitz des Schlitzhohlleiters ebenfalls eine Abdämpfung erzeugt.The advantage here is that no override of the receiver occurs. In addition, by the transmitter downstream of the attenuator signal generated by the transmitter so strongly attenuated that arranged outside the slot waveguide receiver, which are connected to an antenna without the interposition of an attenuator, yet reaches no disturbing signal strength. Because the signals sent by the transmitter and attenuated by the attenuator signals are very weak, in addition, the slot of the slot waveguide also produces an attenuation.

Weiterer Vorteil ist, dass die Signalübertragungsstrecke bidirektional nutzbar ist mit denselben Vorteilen. Somit ist die Abdämpfung auch bei der umgekehrt gerichteten Signalübertragung unverändert.Another advantage is that the signal transmission path can be used bidirectionally with the same advantages. Thus, the attenuation is unchanged even in the reverse direction signal transmission.

Bei einer vorteilhaften Ausgestaltung sind das erste und das weitere Dämpfungsglied gleichartig aufgebaut. Von Vorteil ist dabei, dass zur Herstellung nur eine einzige Sorte von Dämpfungsgliedern notwendig ist.In an advantageous embodiment, the first and the further attenuator are of similar construction. The advantage here is that for the production of only a single type of attenuators is necessary.

Bei einer vorteilhaften Ausgestaltung sind das erste und/oder das weitere Dämpfungsglied als elektrisches Dämpfungsglied ausgeführt,
wobei das erste oder das weitere Dämpfungsglied auf einem entlang einer Schiene schienengeführten Fahrzeug der Anordnung angeordnet ist,
wobei der Schlitzhohlleiter entlang der Schiene verlegt ist, insbesondere parallel zur Schiene,
insbesondere an der Schiene befestigt ist oder einstückig, also einteilig, mit der Schiene ausgeführt ist, insbesondere als Stranggussteil. Von Vorteil ist dabei, dass die Signalübertragung von einem stationär angeordneten Sender zu einem auf dem Fahrzeug angeordneten Empfänger ermöglicht ist oder von einem auf dem Fahrzeug angeordneten Sender zu einem stationär angeordneten Empfänger. Alternativ ist auch die Übertragung zwischen zwei Schienenfahrzeugen ausführbar, wobei auch hier die Störung anderer Empfänger vernachlässigbar ist.In an advantageous embodiment, the first and / or the further attenuator are designed as electrical attenuator,
wherein the first or the further attenuator is arranged on a rail-guided vehicle of the arrangement along a rail,
wherein the slot waveguide is laid along the rail, in particular parallel to the rail,
is fastened in particular to the rail or is made in one piece, ie in one piece, with the rail, in particular as a continuous casting. The advantage here is that the signal transmission is made possible by a stationarily arranged transmitter to a receiver arranged on the vehicle or from a transmitter arranged on the vehicle to a stationarily arranged receiver. Alternatively, the transmission between two rail vehicles executable, and here the disturbance of other receivers is negligible.

Beispielsweise ist das Schienenfahrzeug als Einschienenhängebahn-Fahrzeug ausführbar.For example, the rail vehicle can be executed as monorail monorail vehicle.

Das Dämpfungsglied weist einen elektrischen Vierpol auf,
wobei der elektrische Vierpol eine π- oder T-Schaltung von Impedanzen aufweist,
wobei die jeweilige Impedanz aus einer Parallelschaltung einer Induktivität, eines Ohmschen Widerstandes und einer Kapazität besteht,
insbesondere wobei der Vierpol eingangsseitig und ausgangsseitig impedanzangepasst, also wellenangepasst, ist an das jeweils angeschlossene Koaxialkabel, insbesondere auf 50 Ohm angepasst. Von Vorteil ist dabei, dass eine kostengünstige Herstellung des Vierpols ermöglicht ist.The attenuator has an electrical quadrupole,
wherein the electrical quadrupole has a π or T circuit of impedances,
wherein the respective impedance consists of a parallel connection of an inductance, an ohmic resistance and a capacitance,
in particular, wherein the quadripole on the input side and output impedance matched, so wave adapted, is adapted to the respectively connected coaxial cable, in particular to 50 ohms. The advantage here is that a cost-effective production of the quadrupole is possible.

Bei einer vorteilhaften Ausgestaltung ist die aus dem Schlitzhohlleiter austretende Strahlung infolge des Dämpfungsglieds derart gering, dass die Empfindlichkeitsschwelle weiterer in der Anlage angeordneter Empfänger nicht überschritten wird. Von Vorteil ist dabei, dass keine Störung anderer Empfänger ermöglicht ist. Auch ist die von Störstrahlern in den Schlitzhohlleiter eingestrahlte Strahlung nicht störend, da diese Strahlung von dem weiteren Dämpfungsglied abgedämpft wird.In an advantageous embodiment, the emerging from the slot waveguide radiation due to the attenuator is so low that the sensitivity threshold of further arranged in the system receiver is not exceeded. The advantage here is that no interference with other recipients is possible. Also, the radiated by Störstrahlern in the slot waveguide radiation is not disturbing, since this radiation is attenuated by the further attenuator.

Bei einer vorteilhaften Ausgestaltung ist der Sender über ein Koaxialkabel mit dem ersten Dämpfungsglied verbunden und das erste Dämpfungsglied mit der ersten Antenne über ein weiteres Koaxialkabel,
wobei die weitere Antenne über ein Koaxialkabel mit dem zweiten Dämpfungsglied verbunden ist, das wiederum über ein Koaxialkabel mit dem Empfänger verbunden ist. Von Vorteil ist dabei, dass einfache Verbindungsmittel angewendet werden.In an advantageous embodiment, the transmitter is connected via a coaxial cable to the first attenuator and the first attenuator to the first antenna via another coaxial cable,
wherein the further antenna is connected via a coaxial cable to the second attenuator, which in turn is connected via a coaxial cable to the receiver. The advantage here is that simple connection means are used.

Das erste Dämpfungsglied ist wahlweise mit dem Sender oder einem weiteren Empfänger verbindbar,
das zweite Dämpfungsglied wahlweise mit dem Empfänger oder einem weiteren Sender verbindbar ist,
wobei zur Auswahl jeweils ein steuerbarer elektronischer Umschalter eingesetzt ist. Von Vorteil ist dabei, dass die Signalübertragung bidirektional ausführbar ist. Dies bedeutet, dass statt des Senders ein Empfänger mit dem entsprechenden Koaxialkabel zum entsprechenden ersten Dämpfungsglied verbunden wird und statt des Empfängers am anderen Ende des Signalübertragungskanals ein Sender über das entsprechende Koaxialkabel mit dem weiteren Dämpfungsglied verbunden wird.The first attenuator is selectively connectable to the transmitter or to another receiver,
the second attenuator is selectively connectable to the receiver or to another transmitter,
wherein for selection in each case a controllable electronic switch is used. The advantage here is that the signal transmission is bidirectional executable. This means that instead of the transmitter, a receiver is connected to the corresponding coaxial cable to the corresponding first attenuator and instead of the receiver at the other end of the signal transmission channel a transmitter is connected via the corresponding coaxial cable with the further attenuator.

Bei einer vorteilhaften Ausgestaltung weist der Schlitzhohlleiter einen Schlitz auf, der sich parallel zur Schiene erstreckt. Von Vorteil ist dabei, dass eine Signalübertragung zum Schienenfahrzeug ermöglicht ist. Beispielsweise ist das Schienenfahrzeug als Einschienenhängebahn-Fahrzeug ausführbar.In an advantageous embodiment, the slot waveguide has a slot which extends parallel to the rail. The advantage here is that a signal transmission to the rail vehicle is possible. For example, the rail vehicle can be executed as monorail monorail vehicle.

Weitere Vorteile ergeben sich aus den Unteransprüchen. Die Erfindung ist nicht auf die Merkmalskombination der Ansprüche beschränkt. Für den Fachmann ergeben sich weitere sinnvolle Kombinationsmöglichkeiten von Ansprüchen und/oder einzelnen Anspruchsmerkmalen und/oder Merkmalen der Beschreibung und/oder der Figuren, insbesondere aus der Aufgabenstellung und/oder der sich durch Vergleich mit dem Stand der Technik stellenden Aufgabe.Further advantages emerge from the subclaims. The invention is not limited to the combination of features of the claims. For the skilled person, further meaningful combination options of claims and / or individual claim features and / or features of the description and / or figures, in particular from the task and / or the task posing by comparison with the prior art arise.

Die Erfindung wird nun anhand von Abbildungen näher erläutert.The invention will now be explained in more detail with reference to figures.

In der Figur 1 ist eine erfindungsgemäße Anordnung schematisch skizziert.In the FIG. 1 an arrangement according to the invention is schematically sketched.

Dabei ist ein Fahrzeug 6 entlang eines in einer Anlage langgestreckt verlegten Schlitzhohlleiters 1 bewegbar.In this case, a vehicle 6 is movable along an elongate slot waveguide 1 laid in a system.

Vorzugsweise ist hierzu das Fahrzeug ein auf einer Schiene bewegbares Fahrzeug 6, wobei der Schlitzhohlleiter 1 parallel zur Schiene verlegt ist, insbesondere an der Schiene befestigt ist.For this purpose, the vehicle is preferably a vehicle 6 movable on a rail, wherein the slot waveguide 1 is laid parallel to the rail, in particular is fastened to the rail.

Zur Signalübertragung wird eine Frequenz zwischen 1GHz und 10 GHz verwendet.For signal transmission, a frequency between 1 GHz and 10 GHz is used.

Das Fahrzeug 6 weist eine mit einem Sender und/oder Empfänger verbindbare Kommunikationsschnittstelle auf, an die das Ausgangssignal eines Dämpfungsgliedes 4 mittels eines Koaxialkabels 5 heranführbar ist oder das vom Sender erzeugte Signal über das Koaxialkabel 5 an das Dämpfungsglied 4 heranführbar ist.The vehicle 6 has a connectable to a transmitter and / or receiver communication interface, to which the output signal of an attenuator 4 by means of a coaxial cable 5 can be introduced or the signal generated by the transmitter via the coaxial cable 5 to the attenuator 4 can be moved.

Das Dämpfungsglied ist, insbesondere an seiner anderen Seite, mit einer Antenne verbunden, die in den Schlitzhohlleiter 1 zumindest teilweise hineinragt. Somit sind Signale ein- oder auskoppelbar.The attenuator is, in particular on its other side, connected to an antenna which projects into the slot waveguide 1 at least partially. Thus, signals can be switched on or off.

Der Fahrwagen 6 ist zusammen mit der an ihm befestigten Antenne entlang des Schlitzes des Schlitzhohlleiters 1 bewegbar.The carriage 6 is movable along with the antenna attached to it along the slot of the slot waveguide 1.

Ebenso ist eine weitere Antenne stationär am Schlitzhohlleiter angeordnet, welcher mittels eines Koaxialleiters ein Signal von einem weiteren Dämpfungsglied 2 zuführbar ist oder ein von der Antenne empfangenes Signal an dieses weitere Dämpfungsglied 2 heranführbar ist.Likewise, another antenna is stationarily arranged on the slot waveguide, which by means of a coaxial conductor, a signal from another attenuator 2 can be supplied or a received signal from the antenna to this further attenuator 2 can be moved.

Diesem weiteren Dämpfungsglied 2 wird auf der anderen Seite, insbesondere Eingangsseite, ein Signal mittels eines Koaxialkabels 3 zugeführt von einem Sender oder von diesem weiteren Dämpfungsglied 2 abgeführt an einen Empfänger.This further attenuator 2 is supplied on the other side, in particular input side, a signal by means of a coaxial cable 3 from a transmitter or from this further attenuator 2 dissipated to a receiver.

Somit ist eine Signalübertragung von dem stationär angeordneten Sender über das Dämpfungsglied 2 und den Schlitzhohlleiter 1 an das Fahrzeug ermöglicht, wobei das von dessen Antenne empfangene Signal durch das Dämpfungsglied 4 geleitet wird, bevor es zum Empfänger gelangt.Thus, a signal transmission from the stationarily arranged transmitter via the attenuator 2 and the slot waveguide 1 is made possible to the vehicle, wherein the signal received by the antenna is passed through the attenuator 4 before it reaches the receiver.

Umgekehrt ist auch eine Signalübertragung vom Sender des Fahrzeugs aus über das Dämpfungsglied 4 und den Schlitzhohlleiter 1 an den stationär angeordneten Sender ermöglicht, wobei das von der stationär angeordneten Antenne empfangene Signal durch das Dämpfungsglied 4 geleitet wird, bevor es zum Empfänger gelangt.Conversely, a signal transmission from the transmitter of the vehicle via the attenuator 4 and the slot waveguide 1 is made possible to the stationarily arranged transmitter, wherein the signal received from the stationary antenna is passed through the attenuator 4 before it reaches the receiver.

Durch den Schlitz des Schlitzhohlleiters treten auch Strahlungsanteile 7 aus und gelangen zu weiteren in der Anlage angeordneten Empfängern, wobei allerdings wegen der Dämpfungsglieder (2, 4) die auftretenden Signalstärken derart gering sind, dass keine Störung auftritt. Entsprechend treten auch Strahlungsanteile von weiteren in der Anlage angeordneten Sendern in den Schlitz des Schlitzhohlleiters 1 ein, wobei wegen der Dämpfungsglieder (2, 4) diese eintretende Störstrahlung derart stark abgedämpft wird, dass sie keinen wesentlichen Pegel erreicht. Dabei ist eine Abdämpfung auf -90dBm oder weniger vorteilhaftDue to the slit of the slot waveguide, radiation components 7 also emerge and reach further receivers arranged in the system, although due to the attenuation members (2, 4), the signal strengths occurring are so small that no interference occurs. Correspondingly, radiation components of further transmitters arranged in the system also enter into the slot of the slot waveguide 1, the interference radiation coming in because of the attenuation members (2, 4) being so strongly attenuated that it does not reach a significant level. In this case, an attenuation to -90dBm or less advantageous

Die Dämpfungsglieder (2, 4) verhindern auch ein Übersteuern des jeweiligen Empfängers, wenn beispielsweise die Antenne des Fahrzeugs sehr nahe zur stationär angeordnete Antenne ist.The attenuators (2, 4) also prevent oversteer of the respective receiver, for example, when the antenna of the vehicle is very close to the stationary antenna.

Das Dämpfungsglied (2, 4) ist jeweils als elektrisches Dämpfungsglied ausgeführt, wobei es als elektrischer Vierpol ausgeführt ist, der eine π- oder T-Schaltung von Impedanzen, jeweils als Ohmscher Widerstand mit parallel geschaltetem Kondensator und parallel geschalteter Induktivität, aufweist und beidseitig, also eingangsseitig und ausgangsseitig, an die Wellenimpedanz des Koaxialleiters (3, 5) angepasst ist. Diese liegt vorzugsweise bei 50 Ohm.The attenuator (2, 4) is in each case designed as an electrical attenuator, wherein it is designed as an electrical quadrupole, which has a π or T circuit of impedances, in each case as an ohmic resistor with a parallel-connected capacitor and a parallel-connected inductance, and on both sides, on the input side and on the output side, to the wave impedance of the coaxial conductor (3, 5) is adjusted. This is preferably 50 ohms.

Bei einem weiteren erfindungsgemäßen Ausführungsbeispiel ist eine Kommunikation zwischen zwei gleichartigen Fahrzeugen ausgeführt, wobei jedes der Fahrzeuge ein Dämpfungsglied 4 aufweist. Wiederum ist die austretende Strahlung auf ein geringes Maß abgedämpft, die eintretende Störstrahlung ebenfalls abgedämpft und ein Übersteuern verhindert.In a further embodiment of the invention, a communication between two similar vehicles is carried out, wherein each of the vehicles comprises an attenuator 4. Again, the exiting radiation is damped to a small degree, the incoming interference radiation also damped and prevents oversteer.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

  1. 1 Schlitzhohlleiter1 slot waveguide
  2. 2 Dämpfungsglied, elektrisch2 attenuator, electrical
  3. 3 Koaxialkabel3 coaxial cables
  4. 4 Dämpfungsglied, elektrisch4 attenuator, electric
  5. 5 Koaxialkabel5 coaxial cables
  6. 6 Fahrzeug6 vehicle
  7. 7 austretende Strahlungsanteile oder eintretende Strahlungsanteile7 emitting radiation components or incoming radiation components

Claims (9)

  1. Arrangement, in particular installation, for signal transmission,
    wherein the arrangement comprises
    - a transmitter,
    - a receiver,
    - a first antenna and an additional antenna,
    - a slotted waveguide (1) and
    - a first attenuation member and an additional attenuation member,
    wherein the signals generated by the transmitter are supplied to the first attenuation member (2), which feeds the first antenna, which protrudes into the cavity in the slotted waveguide (1),
    wherein signals received by the additional antenna protruding into the cavity in the slotted waveguide (1) are supplied to the additional attenuation member (4), which feeds the receiver,
    wherein the additional antenna is arranged so as to be spaced apart and/or separated from the first antenna in the slotted waveguide direction,
    wherein each attenuation member comprises an electrical quadripole,
    wherein the electrical quadripole comprises a π-network or T-network of impedances, wherein each impedance consists of a parallel connection of an ohmic resistor, an inductor and a capacitor,
    wherein the first attenuation member (2) can be selectively connected to the transmitter or to an additional receiver,
    the second attenuation member (4) can be selectively coupled to the receiver or to an additional transmitter, wherein a controllable electronic changeover switch is used for the selection in each case.
  2. Arrangement according to claim 1,
    characterised in that
    the first and additional attenuation members (2, 4) are of the same construction.
  3. Arrangement according to at least one of the preceding claims,
    characterised in that
    the first and/or the additional attenuation member (2, 4) is/are designed as an electrical attenuation member (2, 4),
    wherein the first or the additional attenuation member (2, 4) is arranged on a vehicle (6) of the arrangement, said vehicle being rail-mounted along a rail,
    wherein the slotted waveguide (1) is installed along the rail, i.e. in parallel with the rail.
  4. Arrangement according to at least one of the preceding claims,
    characterised in that
    at the input and output, the quadripole is impedance-matched to each connected coaxial cable (3, 5).
  5. Arrangement according to at least one of the preceding claims,
    characterised in that
    due to the attenuation member (2, 4), the radiation escaping from the slotted waveguide (1) is so low that the sensitivity threshold of additional receivers arranged in the installation is not exceeded.
  6. Arrangement according to at least one of the preceding claims,
    characterised in that
    the transmitter is connected to the first attenuation member (2) by means of a coaxial cable (3, 5) and the first attenuation member (2) is connected to the first antenna by means of an additional coaxial cable (3, 5),
    wherein the additional antenna is connected to the second attenuation member (4) by means of a coaxial cable (3, 5), said attenuation member in turn being connected to the receiver by means of a coaxial cable (3, 5).
  7. Arrangement according to claim 3,
    characterised in that
    the slotted waveguide (1) comprises a slot extending in parallel with the rail.
  8. Installation comprising an arrangement according to at least one of the preceding claims.
  9. Installation according to claim 8,
    characterised in that
    the installation is designed as an overhead monorail conveyor.
EP14703028.2A 2013-02-11 2014-01-29 Arrangement, in particular system, for signal transmission Active EP2954592B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14703028T PL2954592T3 (en) 2013-02-11 2014-01-29 Arrangement, in particular system, for signal transmission

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013002227.4A DE102013002227B4 (en) 2013-02-11 2013-02-11 Arrangement for signal transmission and installation with this arrangement
PCT/EP2014/000234 WO2014121905A1 (en) 2013-02-11 2014-01-29 Arrangement, in particular system, for signal transmission

Publications (2)

Publication Number Publication Date
EP2954592A1 EP2954592A1 (en) 2015-12-16
EP2954592B1 true EP2954592B1 (en) 2019-06-12

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Country Status (6)

Country Link
EP (1) EP2954592B1 (en)
DE (1) DE102013002227B4 (en)
DK (1) DK2954592T3 (en)
HU (1) HUE046009T2 (en)
PL (1) PL2954592T3 (en)
WO (1) WO2014121905A1 (en)

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FI127914B (en) 2014-08-21 2019-05-15 Stealthcase Oy Device and method for guiding electromagnetic waves
DE202019101628U1 (en) 2019-03-21 2020-06-23 Conductix-Wampfler Gmbh Communication device
WO2020239264A1 (en) 2019-05-29 2020-12-03 Sew-Eurodrive Gmbh & Co. Kg Rail system with a rail and mobile parts movable along the rail
DE102019118532A1 (en) 2019-07-09 2021-01-14 Conductix-Wampfler Gmbh Communication system
DE102019118531A1 (en) 2019-07-09 2021-01-14 Conductix-Wampfler Gmbh Communication system
DE102019118533A1 (en) 2019-07-09 2021-01-14 Conductix-Wampfler Gmbh Communication system
DE102022000661A1 (en) 2021-03-12 2022-09-15 Sew-Eurodrive Gmbh & Co Kg Method for operating a communication system and communication system
EP4315619A1 (en) 2021-03-25 2024-02-07 SEW-EURODRIVE GmbH & Co. KG Method for operating a communication system, and communication system

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Also Published As

Publication number Publication date
WO2014121905A8 (en) 2014-10-23
HUE046009T2 (en) 2020-01-28
WO2014121905A1 (en) 2014-08-14
DK2954592T3 (en) 2019-08-05
DE102013002227A1 (en) 2014-08-14
PL2954592T3 (en) 2019-10-31
DE102013002227B4 (en) 2014-11-13
EP2954592A1 (en) 2015-12-16

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