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EP0581399B1 - Système de signalisation - Google Patents

Système de signalisation Download PDF

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Publication number
EP0581399B1
EP0581399B1 EP93250172A EP93250172A EP0581399B1 EP 0581399 B1 EP0581399 B1 EP 0581399B1 EP 93250172 A EP93250172 A EP 93250172A EP 93250172 A EP93250172 A EP 93250172A EP 0581399 B1 EP0581399 B1 EP 0581399B1
Authority
EP
European Patent Office
Prior art keywords
signalling
voltage
detector element
detector
optocoupler
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.)
Expired - Lifetime
Application number
EP93250172A
Other languages
German (de)
English (en)
Other versions
EP0581399A1 (fr
Inventor
Thomas Dipl.-Ing. Meier
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 AG, Siemens Corp filed Critical Siemens AG
Publication of EP0581399A1 publication Critical patent/EP0581399A1/fr
Application granted granted Critical
Publication of EP0581399B1 publication Critical patent/EP0581399B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning

Definitions

  • the invention relates to a reporting system.
  • two identical detector elements that are to be supplied with electricity are often used in alarm systems.
  • these are e.g. Wheel sensors.
  • the messages provided by such sensors are important for operational safety, the correct electrical supply to these detectors must also be monitored.
  • the failure of the supply voltage of a detector could be recognized immediately if the detector in question supplies a continuous signal, that is to say works according to the open-circuit principle.
  • many sensors only deliver alarm signals in certain operating states, so that the absence of alarm signals does not indicate a possible event. occurred voltage failure can be closed.
  • the invention is based on the object of designing a signaling system in which a multi-channel voltage supply is provided for the detector elements in such a way that an active fault report in the event of a failure of one of the supply voltages is possible with the least possible technical outlay.
  • a reporting system that solves this problem is described by claim 1.
  • the signaling devices which are present anyway are additionally used for reporting the failure of one of the supply voltages. So it is needed in everyone Supply circuit to be arranged only a monitoring element detecting a power failure.
  • a notification system corresponding to claims 1, 2 or 3 is particularly indicated when it comes to track systems and the detector elements are wheel sensors which are fed via two electrically isolated secondary windings of a transformer.
  • the occupancy status of track sections is checked indirectly by means of such wheel sensors, so that for safety reasons it is necessary to immediately detect the failure of the supply voltage of one of the sensors.
  • a first detector element 2 is connected to the connection terminal 1 of a first voltage source U1.
  • a second detector element 4 is connected to the connection terminal 3 of a second voltage source U2.
  • the signal signals emitted by the detector elements 2 and 4 are fed to a first and a second signaling device 5 and 6, respectively.
  • the received signal signals are sent either directly or after appropriate preparation or processing in the signaling device 5 or 6 via its outputs 7 or 8 to a higher-level detection point, e.g. forwarded to an interlocking.
  • the diode path 9 of a first optocoupler 10 is also connected to the connection terminal 1 of the first voltage source U1.
  • the switching path 11 of this optocoupler 10 lies in a signal line 12 leading from the connecting terminal 3 of the second voltage source U2 to the first signaling device 5.
  • the diode path 13 of a second optocoupler 14 is connected in an analogous manner to the connecting terminal 3 of the second voltage source U2. Its switching path 15 lies in a signal line 16 leading from the connection terminal 1 of the first voltage source U1 to the second signaling device 6.
  • the optocoupler 10 or 14 connected to the corresponding voltage source no longer receives any voltage, so that its switching path 11 or 15 is closed.
  • the signal present at the corresponding input of the relevant signaling device 5 or 6 thus goes out. Due to the disappearance of this signal, the relevant signaling device 5 or 6 gives at one of the outputs 7 or 8 a corresponding message to the higher-level detection point, so that the failure of one of the voltage sources U1 or U2 is immediately recognized and appropriate measures can be initiated to restore the correct voltage supply.
  • the embodiment variant shown in FIG. 2 shows a signaling system which, in addition to the supply voltages U1 and U2 for the detector elements 2 and 4, also has a separate signaling voltage U3.
  • the optocouplers 10 and 14 connected to the respective supply voltage U1 or U2 with their diode path 9 or 13 are each assigned a further optocoupler 19 or 22.
  • the switching path 11 or 15 of the optocoupler 10 or 14 connected to the supply voltage U1 or U2 is connected in parallel with the diode path 18 or 21 of the associated further optocoupler 19 or 22 to the other supply voltage U2 or U1 in parallel .
  • the switching path 20 or 23 of the further optocoupler 19 or 22 lies in the signal line 12 or 16 leading from the connecting terminal 17 of the signaling voltage U3 to a signal input of the relevant signaling device 5 or 6.
  • the signaling voltage U3 also serves as a supply voltage for the signaling devices 5 and 6.
  • This circuit variant works as follows: If one of the supply voltages U1 or U2 fails, the optocoupler 10 or 14 connected to the corresponding supply voltages U1 or U2 no longer receives any voltage, so that its switching path 11 or 15 is closed. As a result, the previously via the switching path 11 or 15 short-circuited diode path 18 or 21 of the further optocoupler 19 or 22 is energized and its switching path 20 or 23 is activated.
  • the notification device 5 or 6 thus receives a notification signal via the notification line 12 or 16. On the basis of this message signal, the relevant message device 5 or 6 then forwards a corresponding message to the higher-level detection point.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Alarm Systems (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Liquid Crystal Substances (AREA)
  • Telephonic Communication Services (AREA)
  • Emergency Alarm Devices (AREA)
  • Gyroscopes (AREA)

Claims (6)

  1. Système de signalisation comportant au moins deux éléments détecteurs (2 ou 4), qui sont disposés distinctement et qui sont alimentés chacun par une source de tension particulière (U1 ou U2) et qui envoient des signaux de signalisation à un dispositif de signalisation (5 ou 6) associé à chaque élément détecteur (2 ou 4), et dans lequel en outre à la section d'alimentation de chaque élément détecteur (2 ou 4) est associé un élément de contrôle (10,19 ou 14,22), qui, dans le cas d'une défaillance de la tension dans la section d'alimentation correspondante, envoie, en fonction de la tension d'alimentation de l'autre élément détecteur (4 ou 2), un signal de signalisation au dispositif de signalisation (5 ou 6) associé à l'élément détecteur concerné (2 ou 4).
  2. Système de signalisation suivant la revendication 1, caractérisé par le fait que le circuit de contrôle est un optocoupleur (10 ou 14), dont la section à diode (9 ou 13) est raccordée à la section d'alimentation de l'élément détecteur respectif (2 ou 4) et dont la section de commutation (11 ou 15) est raccordée à la section d'alimentation de l'autre élément détecteur respectif (4 ou 2).
  3. Système de signalisation suivant la revendication 1, comportant une source de tension de signalisation, prévue en supplément par rapport aux sources de tension pour les éléments détecteurs,
    caractérisé par le fait
    que le circuit de contrôle est constitué de deux optocoupleurs (10 et 19 ou 14 et 22), la section à diode (9 ou 13) d'un optocoupleur (10 ou 14) du circuit de contrôle étant raccordée à la section d'alimentation de l'élément détecteur respectif (2 ou 4) et la section de commutation de l'optocoupleur concerné (10 ou 14) étant raccordée, en parallèle avec la section à diode (18 ou 21) de l'autre optocoupleur (19 ou 22) du circuit de contrôle, à la section d'alimentation de l'autre élément détecteur (4 ou 2), et que la tension de signalisation (U3) peut être appliquée à une entrée de signalisation du dispositif de signalisation (5 ou 6), associé à l'élément détecteur concerné (2 ou 4), par l'intermédiaire des sections de comutation (20 ou 23) de l'autre optocoupleur (19 ou 22) du circuit de contrôle.
  4. Système de signalisation suivant la revendication 1, 2 ou 3 pour des installations ferroviaires, caractérisé par le fait que les deux éléments détecteurs (2 et 4) sont des capteurs de roues, qui sont alimentés par l'intermédiaire de deux enroulements secondaires, séparés galvaniquement, d'un transformateur.
  5. Système de signalisation suivant une ou plusieurs des revendications précédentes, caractérisé par le fait que la signalisation d'une défaillance de tension du circuit de contrôle dans le dispositif de signalisation (5 ou 6) est séparée, du point de vue du potentiel, des autres signalisations.
  6. Système de signalisation suivant la revendication 5, caractérisé par le fait que la séparation de potentiel s'effectue au moyen d'optocoupleurs.
EP93250172A 1992-07-01 1993-06-17 Système de signalisation Expired - Lifetime EP0581399B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4221779 1992-07-01
DE4221779A DE4221779A1 (de) 1992-07-01 1992-07-01 Meldesystem

Publications (2)

Publication Number Publication Date
EP0581399A1 EP0581399A1 (fr) 1994-02-02
EP0581399B1 true EP0581399B1 (fr) 1995-10-25

Family

ID=6462358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93250172A Expired - Lifetime EP0581399B1 (fr) 1992-07-01 1993-06-17 Système de signalisation

Country Status (6)

Country Link
EP (1) EP0581399B1 (fr)
AT (1) ATE129586T1 (fr)
DE (2) DE4221779A1 (fr)
DK (1) DK0581399T3 (fr)
ES (1) ES2080584T3 (fr)
FI (1) FI108016B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA9882002A (de) * 2002-07-02 2005-07-15 Siemens Ag Oesterreich Schaltung zur überwachung der ströme in einer mehrzahl von stromzweigen eines netzwerkes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247790A (en) * 1976-01-22 1981-01-27 Westinghouse Electric Corp. Failsafe train vehicle control signal threshold detector apparatus
DE3636104A1 (de) * 1986-10-23 1988-04-28 Siemens Ag Elektronisches relais
DE3939408A1 (de) * 1989-11-29 1991-06-06 Ant Nachrichtentech Anordnung zur ueberwachung von betriebsspannungen
US4980791A (en) * 1990-02-05 1990-12-25 Motorola, Inc. Universal power supply monitor circuit
DE4132388A1 (de) * 1991-09-26 1993-04-01 Siemens Ag Digitale 2 von 3-auswahlschaltung

Also Published As

Publication number Publication date
DE4221779A1 (de) 1994-01-05
FI108016B (fi) 2001-11-15
FI933039A0 (fi) 1993-07-01
DK0581399T3 (da) 1996-03-04
EP0581399A1 (fr) 1994-02-02
DE59300813D1 (de) 1995-11-30
ES2080584T3 (es) 1996-02-01
FI933039L (fi) 1994-01-02
ATE129586T1 (de) 1995-11-15

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