EP0647584A1 - Door security circuit for monitoring halldoors in lift equipment - Google Patents

Door security circuit for monitoring halldoors in lift equipment Download PDF

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Publication number
EP0647584A1
EP0647584A1 EP94114692A EP94114692A EP0647584A1 EP 0647584 A1 EP0647584 A1 EP 0647584A1 EP 94114692 A EP94114692 A EP 94114692A EP 94114692 A EP94114692 A EP 94114692A EP 0647584 A1 EP0647584 A1 EP 0647584A1
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EP
European Patent Office
Prior art keywords
pressure
door
locking device
circuit according
security circuit
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Granted
Application number
EP94114692A
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German (de)
French (fr)
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EP0647584B1 (en
Inventor
Peter Dipl.- El. Ing. Eth Spiess
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Inventio AG
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Inventio AG
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/22Operation of door or gate contacts

Definitions

  • the invention relates to a door security circuit for monitoring at least one floor door of an elevator system, which has a transmitter and a receiver, wherein a non-electrical signal generated by the transmitter, which is influenced by a locking device of the floor door, is fed to the receiver for conversion into an electrical signal.
  • a safety circuit is known from patent specification FR 1 432 651, in which a door latch for elevator systems monitored by means of a photoelectric device is disclosed. If the door latch has a certain position, the light beam emitted by a light source of the photoelectric device reaches a photosensor, the electrical signal of which is passed on to the elevator control.
  • a disadvantage of the known device is the susceptibility to interference of the transmitter and receiver, which are exposed to shocks with each bolt movement and are therefore subject to excessive stress.
  • the invention seeks to remedy this.
  • the invention as characterized in the claims, solves the problem of avoiding the disadvantages of the known device and of designing a security circuit so that locking devices of several storey doors can be monitored by means of a transmitter and a receiver by means of non-electrical signals.
  • the advantages achieved by the invention are essentially to be seen in the fact that the safety circuit according to the invention can be used in rooms with normal climatic conditions as well as in wet rooms and rooms at risk of explosion. This enables the door security circuits to be standardized, which in turn results in significant cost savings in terms of manufacture, assembly, maintenance and spare parts. Further advantages can be seen in the fact that better fault analysis per floor as well as preventive maintenance work are possible.
  • the safety circuit according to the invention is immune to electromagnetic interference.
  • 1 denotes a transmitter which generates a non-electrical signal, the non-electrical signal being directed from a first conductor section 2 to a locking device 3 of a first floor door, not shown.
  • the non-electrical signal is conducted to a third wire section 5 by means of a second conductor section 4 arranged on the locking device 3 of the first floor door and from there to a locking device 3 of a second floor door, not shown.
  • the non-electrical signal is not passed to a fifth wire section 8 by means of a fourth conductor section 7 arranged on the locking device 3 of the second floor door, so that this does not pass on a non-electrical signal to a receiver 9.
  • the elevator installation has two storey doors.
  • the locking devices of the further storey doors are connected in series by means of further conductor sections.
  • a direct conductor 10 for testing transmitter 1 and receiver 9 and on the other hand sensors 11; 12; 13 for testing the conductor sections 2; 4; 5; 7; 8 provided.
  • One sensor 11 per conductor section; 12; 13 is provided, the signal of which is fed to a circuit for failure detection 14.
  • error detection per floor as well as preventive maintenance work in the safety circuit are made considerably easier.
  • FIGS. 2 to 6 show a first embodiment variant of the safety circuit explained in FIG. 1.
  • a light source is provided as the transmitter
  • a light guide is provided as a means for directing the non-electrical signal
  • a photoelectric element is provided as a receiver, which converts the non-electrical signal in the form of constant light into an electrical signal.
  • an outgoing light guide 16 is arranged on a movable part 15 of the locking device 3 shown in the working position and an outgoing light guide 18 is arranged on a fixed part 17 of the locking device.
  • the ends of the light guides 16; 17 are aligned and spaced such that the light emerging from the outgoing light guide 16 can enter the outgoing light guide 18.
  • the movable part 15 of the locking device 3 is pivoted about a pivot point 19, so that the light can no longer be transmitted from the outgoing light guide 16 to the outgoing light guide 18.
  • the outgoing light guide 16 and the outgoing light guide 18 is arranged on the fixed part 17 of the locking device 3.
  • a light guide loop 20 is arranged on the movable part 15 of the locking device 3 such that the light guides 16, 18 are optically connected to one another in the working position of the locking device 3 shown.
  • FIG. 4 shows locking devices 3 connected in series by light guides.
  • the locking devices 3 shown in the working position optically connect the light guide sections with their light guide loops 20, as a result of which an optical passage is established across all locking devices 3 and as a result of which the door security circuit reports all storey doors as closed.
  • FIGS. 5 and 6 show an embodiment variant with a reflector 21 arranged on the locking device 3 and made of, for example, chromed plastic, in which the transmitter 22 emits pulse-like light by means of a first photodiode 23, which is guided by the light-guiding light guide 16 to the reflector 21.
  • An outgoing light beam 24 emanating from the light-guiding light guide 16 is deflected by the reflector 21 into a light beam 25 leading away and received by the light-guiding light guide 18, which guides the light onto the reflector 21 of the subsequent locking device 3.
  • After the light is guided over all reflectors 21 of the locking devices connected in series in the safety circuit, it is converted into an electrical control signal by a second photodiode 26, an amplifier 27 and a converter 28.
  • photo sensors (not shown) are provided, which monitor the light beam and whose signal is fed to a circuit (not shown) for failure detection, with which the switching states are monitored centrally on all locking devices 3 and evaluated for fault analysis and preventive maintenance work.
  • a pressure source is provided as the transmitter, a pressure line as the conductor of the non-electrical signal and a pressure transducer as the receiver, a pressure medium pressurized by the pressure source, for example a gas by means of the pressure line via the locking device 3 is directed to the pressure transducer, which converts the pressure prevailing in the pressure medium into an electrical signal.
  • a pressure line leading pressure medium is arranged, which is connected to a pressure medium leading pressure line when the floor door is closed.
  • a pressure line loop can be arranged on the movable part 15 of the locking device 3 instead of the pressure line leading the pressure medium, which pressure loop connects the pressure line leading the pressure medium to the pressure line leading the pressure medium away when the storey door is closed.
  • a clamping device can also be arranged instead of the pressure line leading the pressure medium, which prevents the pressure spreading in the pressure line by clamping when the storey door is open.
  • pressure sensors are provided, which monitor the pressure and whose signal is fed to a circuit for failure detection, with which the switching states on all locking devices 3 are monitored centrally and evaluated for fault analysis and preventive maintenance work.
  • a sound source is provided as the transmitter, a sound line as the conductor of the non-electrical signal and a sound transducer as the receiver, mechanical waves generated by the sound source in the form of constant or pulse-like sound by means of the sound line via the Locking device 3 are directed to the transducer, which converts the sound into an electrical signal.
  • a sound-conducting formwork line is arranged, which is connected to a sound-path-leading pressure line when the storey door is closed.
  • a formwork line loop which connects the sound-guiding formwork line to the sound-guiding formwork line when the storey door is closed.
  • a clamping device can also be arranged instead of the sound-conducting formwork line, which prevents the sound propagation in the formwork line by clamping when the storey door is open.
  • sound sensors are provided which monitor the sound and whose signal is fed to a circuit for failure detection, with which the switching states are monitored centrally on all locking devices 3 and evaluated for fault analysis and preventive maintenance work.
  • a pressure source is provided as the transmitter, a pressure line as the conductor of the non-electrical signal and a barrier as the receiver, a pressure medium pressurized by the pressure source using a body, for example a ball or a cylinder Pressure line is moved via the locking device 3 to the barrier, which converts the passage of the body into an electrical signal.
  • a body for example a ball or a cylinder Pressure line
  • a pressure line loop can be arranged instead of the pressure line leading to the pressure medium closed floor door connects the pressure line leading the pressure medium with the pressure line leading pressure medium away.
  • a clamping device can also be arranged on the movable part 15 of the locking device 3 instead of the pressure line leading to the pressure medium, which prevents the passage of the body by clamping the pressure line when the storey door is open.
  • passage sensors are provided, which monitor the pressure and whose signal is fed to a circuit for failure detection, with which the switching states on all locking devices 3 are monitored centrally and evaluated for fault analysis and preventive maintenance work.

Landscapes

  • Elevator Door Apparatuses (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Elevator Control (AREA)
  • Burglar Alarm Systems (AREA)
  • Alarm Systems (AREA)

Abstract

In this safety circuit, a transmitter (1) produces a non-electric signal which is guided by a first conductor section (2) to a locking device (3) of a first hall door. In the operating position shown of the locking device (3) of the first hall door, the non-electric signal is directed by means of a second conductor section (4) arranged on the locking device (3) of the first hall door to a third conductor section (5) and from the latter to a locking device (3) of a second hall door. In the neutral position shown of the locking device (3) of the second hall door, the non-electric signal is not directed to a fifth conductor section (8) by means of a fourth conductor section (7) arranged on the locking device (3) of the second hall door, so that the fifth conductor section (8) does not transmit the non-electric signal to a receiver (9). To check the transmitter (1), the receiver (9) and the conductor sections (2; 4; 5; 7; 8), on the one hand a direct conductor (10) is provided for testing the transmitter (1) and the receiver (9) and on the other hand sensors (11; 12; 13) are provided for testing the conductor sections (2; 4; 5; 7; 8). A sensor (11; 12; 13) is provided for each conductor section, the signal of which sensor (11; 12; 13) is fed to a failure-recognition circuit (14). <IMAGE>

Description

Die Erfindung betrifft ein Türsicherheitskreis zur Überwachung von mindestens einer Stockwerktür einer Aufzugsanlage, der einen Sender und einen Empfänger aufweist, wobei ein vom Sender erzeugtes nichtelektrisches Signal, das von einer Verriegelungseinrichtung der Stockwerktür beeinflusst wird, dem Empfänger zur Umwandlung in ein elektrisches Signal zugeführt wird.The invention relates to a door security circuit for monitoring at least one floor door of an elevator system, which has a transmitter and a receiver, wherein a non-electrical signal generated by the transmitter, which is influenced by a locking device of the floor door, is fed to the receiver for conversion into an electrical signal.

Aus der Patentschrift FR 1 432 651 ist ein Sicherheitskreis bekannt, in der ein mittels einer photoelektrischen Einrichtung überwachter Türriegel für Aufzugsanlagen offenbart wird. Der von einer Lichtquelle der photoelektrischen Einrichtung ausgesendete Lichtstrahl gelangt, falls der Türriegel eine bestimmte Stellung aufweist, auf einen Photosensor, dessen elektrisches Signal an die Aufzugssteuerung weitergeleitet wird.A safety circuit is known from patent specification FR 1 432 651, in which a door latch for elevator systems monitored by means of a photoelectric device is disclosed. If the door latch has a certain position, the light beam emitted by a light source of the photoelectric device reaches a photosensor, the electrical signal of which is passed on to the elevator control.

Ein Nachteil der bekannten Einrichtung liegt in der Störanfälligkeit von Sender und Empfänger, die bei jeder Riegelbewegung Erschütterungen ausgesetzt sind und dadurch übermässigen Beanspruchungen unterliegen.A disadvantage of the known device is the susceptibility to interference of the transmitter and receiver, which are exposed to shocks with each bolt movement and are therefore subject to excessive stress.

Hier will die Erfindung Abhilfe schaffen. Die Erfindung, wie sie in den Ansprüchen gekennzeichnet ist, löst die Aufgabe, die Nachteile der bekannten Einrichtung zu vermeiden und einen Sicherheitskreis so auszubilden, dass Verriegelungseinrichtungen mehrerer Stockwerktüren mittels einem Sender und einem Empfänger durch nichtelektrische Signale überwachbar sind.The invention seeks to remedy this. The invention, as characterized in the claims, solves the problem of avoiding the disadvantages of the known device and of designing a security circuit so that locking devices of several storey doors can be monitored by means of a transmitter and a receiver by means of non-electrical signals.

Die durch die Erfindung erreichten Vorteile sind im wesentlichen darin zu sehen, dass der erfindungsgemässe Sicherheitskreis in Räumen mit klimatisch normalen Bedingungen wie auch in nassen Räumen und explosionsgefährdeten Räumen einsetzbar ist. Dies ermöglicht eine Vereinheitlichung der Türsicherheitskreise, was wiederum wesentliche Kosteneinsparungen bezüglich Herstellung, Montage, Unterhalt und Ersatzteilen mit sich bringt. Weitere Vorteile sind darin zu sehen, dass eine bessere Störungsanalyse je Stockwerk wie auch vorsorgliche Unterhaltsarbeiten möglich sind. Ausserdem ist der erfindungsgemässe Sicherheitskreis immun gegen elektromagnetische Störeinflüsse.The advantages achieved by the invention are essentially to be seen in the fact that the safety circuit according to the invention can be used in rooms with normal climatic conditions as well as in wet rooms and rooms at risk of explosion. This enables the door security circuits to be standardized, which in turn results in significant cost savings in terms of manufacture, assembly, maintenance and spare parts. Further advantages can be seen in the fact that better fault analysis per floor as well as preventive maintenance work are possible. In addition, the safety circuit according to the invention is immune to electromagnetic interference.

Im folgenden wird die Erfindung anhand von lediglich einen Ausführungsweg darstellenden Zeichnungen näher erläutert.
Es zeigen:

Fig. 1
eine schematische Darstellung eines erfindungsgemässen Sicherheitskreises,
Fig. 2
eine Verriegelungseinrichtung mit einem Lichtleiter
Fig. 3
eine Verriegelungseinrichtung mit einer Lichtleiterschlaufe,
Fig. 4
durch Lichtleiter in Reihe geschaltete Verriegelungseinrichtungen,
Fig. 5
ein Sicherheitskreis mit an den Verriegelungseinrichtungen angeordneten Reflektoren zur Reflexion eines Lichtstrahles und
Fig. 6
Einzelheiten des Sicherheitskreises gemäss Fig. 5.
The invention is explained in more detail below with the aid of drawings which illustrate only one embodiment.
Show it:
Fig. 1
1 shows a schematic representation of a safety circuit according to the invention,
Fig. 2
a locking device with an optical fiber
Fig. 3
a locking device with an optical fiber loop,
Fig. 4
interlocking devices connected in series by light guides,
Fig. 5
a safety circuit with reflectors arranged on the locking devices for reflecting a light beam and
Fig. 6
Details of the safety circuit according to FIG. 5.

In den Figuren 1 bis 6 ist mit 1 ein Sender bezeichnet, der ein nichtelektrisches Signal erzeugt, wobei das nichtelektrische Signal von einem ersten Leiterteilstück 2 zu einer Verriegelungseinrichtung 3 einer ersten nicht dargestellten Stockwerktür gelenkt wird. In der gezeigten Arbeitsstellung der Verriegelungseinrichtung 3 der ersten Stockwerktür wird das nichtelektrische Signal mittels eines zweiten an der Verriegelungseinrichtung 3 der ersten Stockwerktür angeordneten Leiterteilstückes 4 zu einem dritten Leiterteilstück 5 geleitet und von diesem zu einer Verriegelungseinrichtung 3 einer zweiten nicht dargestellten Stockwerktür. In der gezeigten Ruhestellung der Verriegelungseinrichtung 3 der zweiten Stockwerktür wird das nichtelektrische Signal mittels eines vierten an der Verriegelungseinrichtung 3 der zweiten Stockwerktür angeordneten Leiterteilstückes 7 nicht zu einem fünften Leiterteilstück 8 geleitet, sodass dieses kein nichtelektrisches Signal zu einem Empfänger 9 weiterleitet. In der gezeigten Anordnung weist die Aufzugsanlage zwei Stockwerktüren auf. Bei Aufzugsanlagen mit mehr als zwei Stockwerktüren werden die Verriegelungseinrichtungen der weiteren Stockwerktüren mittels weiteren Leiterteilstücken in Reihe geschaltet. Zur Überprüfung von Sender 1, Empfänger 9 und der Leiterteilstücke 2; 4; 5; 7; 8 ist einerseits ein Direktleiter 10 zur Prüfung von Sender 1 und Empfänger 9 und andererseits Sensoren 11; 12; 13 zur Prüfung der Leiterteilstücke 2; 4; 5; 7; 8 vorgesehen. Je Leiterteilstück ist ein Sensor 11; 12; 13 vorgesehen, dessen Signal einer Schaltung zur Ausfallerkennung 14 zugeführt wird. Mittels der Schaltung zur Ausfallerkennung 14 werden die Fehlererkennung je Stockwerk wie auch vorsorgliche Unterhaltsarbeiten im Sicherheitskreis wesentlich erleichtert.1 to 6, 1 denotes a transmitter which generates a non-electrical signal, the non-electrical signal being directed from a first conductor section 2 to a locking device 3 of a first floor door, not shown. In the working position of the locking device 3 of the first floor door shown, the non-electrical signal is conducted to a third wire section 5 by means of a second conductor section 4 arranged on the locking device 3 of the first floor door and from there to a locking device 3 of a second floor door, not shown. In the rest position of the locking device 3 of the second floor door shown, the non-electrical signal is not passed to a fifth wire section 8 by means of a fourth conductor section 7 arranged on the locking device 3 of the second floor door, so that this does not pass on a non-electrical signal to a receiver 9. In the arrangement shown, the elevator installation has two storey doors. In elevator systems with more than two storey doors, the locking devices of the further storey doors are connected in series by means of further conductor sections. To check the transmitter 1, receiver 9 and the conductor sections 2; 4; 5; 7; 8 is on the one hand a direct conductor 10 for testing transmitter 1 and receiver 9 and on the other hand sensors 11; 12; 13 for testing the conductor sections 2; 4; 5; 7; 8 provided. One sensor 11 per conductor section; 12; 13 is provided, the signal of which is fed to a circuit for failure detection 14. By means of the circuit for failure detection 14, error detection per floor as well as preventive maintenance work in the safety circuit are made considerably easier.

In den Figuren 2 bis 6 ist eine erste Ausführungsvariante des in Figur 1 erläuterten Sicherheitskreises dargestellt. Als Sender ist eine Lichtquelle, als Mittel zur Lenkung des nichtelektrischen Signales ist ein Lichtleiter und als Empfänger ein photoelektrisches Element vorgesehen, das das nichtelektrische Signal in der Form von konstantem Licht in ein elektrisches Signal umwandelt.FIGS. 2 to 6 show a first embodiment variant of the safety circuit explained in FIG. 1. A light source is provided as the transmitter, a light guide is provided as a means for directing the non-electrical signal, and a photoelectric element is provided as a receiver, which converts the non-electrical signal in the form of constant light into an electrical signal.

In Figur 2 ist auf einem beweglichen Teil 15 der in der Arbeitsstellung gezeigten Verriegelungseinrichtung 3 ein hinführender Lichtleiter 16 und auf einem festen Teil 17 der Verriegelungseinrichtung ein wegführender Lichtleiter 18 angeordnet. Die Enden der Lichtleiter 16; 17 sind derart ausgerichtet und beabstandet, dass das vom hinführenden Lichtleiter 16 austretende Licht in den wegführenden Lichtleiter 18 eintreten kann. Beim Öffnen der Stockwerktür wird der bewegliche Teil 15 der Verriegelungseinrichtung 3 um einen Drehpunkt 19 geschwenkt, sodass eine Übertragung des Lichtes vom hinführenden Lichtleiter 16 auf den wegführenden Lichtleiter 18 nicht mehr stattfinden kann.In FIG. 2, an outgoing light guide 16 is arranged on a movable part 15 of the locking device 3 shown in the working position and an outgoing light guide 18 is arranged on a fixed part 17 of the locking device. The ends of the light guides 16; 17 are aligned and spaced such that the light emerging from the outgoing light guide 16 can enter the outgoing light guide 18. When the floor door is opened, the movable part 15 of the locking device 3 is pivoted about a pivot point 19, so that the light can no longer be transmitted from the outgoing light guide 16 to the outgoing light guide 18.

In Figur 3 ist der hinführende Lichtleiter 16 und der wegführende Lichtleiter 18 auf dem festen Teil 17 der Verriegelungseinrichtung 3 angeordnet. Auf dem beweglichen Teil 15 der Verriegelungseinrichtung 3 ist eine Lichtleiterschlaufe 20 so angeordnet, dass in der gezeigten Arbeitsstellung der Verriegelungseinrichtung 3 die Lichtleiter 16 ;18 optisch miteinander verbunden sind.In Figure 3, the outgoing light guide 16 and the outgoing light guide 18 is arranged on the fixed part 17 of the locking device 3. A light guide loop 20 is arranged on the movable part 15 of the locking device 3 such that the light guides 16, 18 are optically connected to one another in the working position of the locking device 3 shown.

In Figur 4 sind durch Lichtleiter in Reihe geschaltete Verriegelungseinrichtungen 3 dargestellt. Die in der Arbeitsstellung gezeigten Verriegelungseinrichtungen 3 verbinden optisch mit ihren Lichtleiterschlaufen 20 die Lichtleiterteilstücke, wodurch ein optischer Durchgang über alle Verriegelungseinrichtungen 3 hergestellt wird und wodurch der Türsicherheitskreis alle Stockwerktüren als geschlossen meldet.FIG. 4 shows locking devices 3 connected in series by light guides. The locking devices 3 shown in the working position optically connect the light guide sections with their light guide loops 20, as a result of which an optical passage is established across all locking devices 3 and as a result of which the door security circuit reports all storey doors as closed.

In den Figuren 5 und 6 ist eine Ausführungsvariante mit einem auf der Verriegelungseinrichtung 3 angeordneten Reflektor 21 aus beispielsweise verchromtem Kunststoff dargestellt, bei der der Sender 22 mittels einer ersten Photodiode 23 pulsartiges Licht aussendet, das vom lichthinführenden Lichtleiter 16 zum Reflektor 21 geführt wird. Ein vom lichthinführenden Lichtleiter 16 ausgehender hinführender Lichtstrahl 24 wird vom Reflektor 21 in einen wegführenden Lichtstrahl 25 umgelenkt und vom lichtwegführenden Lichtleiter 18 aufgenommen, der das Licht auf den Reflektor 21 der nachfolgenden Verriegelungseinrichtung 3 führt. Nachdem das Licht über alle Reflektoren 21 der im Sicherheitskreis in Reihe geschalteten Verriegelungseinrichtungen geführt ist, wird es von einer zweiten Photodiode 26, einem Verstärker 27 und einem Wandler 28 in ein elektrisches Steuersignal umgewandelt.FIGS. 5 and 6 show an embodiment variant with a reflector 21 arranged on the locking device 3 and made of, for example, chromed plastic, in which the transmitter 22 emits pulse-like light by means of a first photodiode 23, which is guided by the light-guiding light guide 16 to the reflector 21. An outgoing light beam 24 emanating from the light-guiding light guide 16 is deflected by the reflector 21 into a light beam 25 leading away and received by the light-guiding light guide 18, which guides the light onto the reflector 21 of the subsequent locking device 3. After the light is guided over all reflectors 21 of the locking devices connected in series in the safety circuit, it is converted into an electrical control signal by a second photodiode 26, an amplifier 27 and a converter 28.

Je Verriegelungseinrichtung 3 sind nicht dargestellte Photosensoren vorgesehen, die den Lichtstrahl überwachen und deren Signal einer nicht dargestellten Schaltung zur Ausfallerkennung zugeführt werden, mit der die Schaltzustände an sämtlichen Verriegelungseinrichtungen 3 zentral überwacht sowie für Störungsanalyse und vorsorgliche Unterhaltsarbeiten ausgewertet werden.For each locking device 3, photo sensors (not shown) are provided, which monitor the light beam and whose signal is fed to a circuit (not shown) for failure detection, with which the switching states are monitored centrally on all locking devices 3 and evaluated for fault analysis and preventive maintenance work.

In einer zweiten Ausführungsvariante des in Figur 1 erläuterten Sicherheitskreises ist als Sender eine Druckquelle, als Leiter des nichtelektrischen Signales eine Druckleitung und als Empfänger ein Druckwandler vorgesehen, wobei ein von der Druckquelle unter Druck gesetztes Druckmittel, beispielsweise ein Gas mittels der Druckleitung über die Verriegelungseinrichtung 3 zum Druckwandler gelenkt wird, der den im Druckmittel herrschenden Druck in ein elektrisches Signal umwandelt. Am beweglichen Teil 15 der Verriegelungseinrichtung 3 ist eine druckmittelhinführende Druckleitung angeordnet, welche bei geschlossener Stockwerktür mit einer druckmittelwegführenden Druckleitung verbunden ist. Am beweglichen Teil 15 der Verriegelungseinrichtung 3 kann anstelle der druckmittelhinführenden Druckleitung eine Druckleitungsschlaufe angeordnet sein, welche bei geschlossener Stockwerktür die druckmittelhinführende Druckleitung mit der druckmittelwegführenden Druckleitung verbindet. Am beweglichen Teil 15 der Verriegelungseinrichtung 3 kann auch anstelle der druckmittelhinführenden Druckleitung eine Klemmvorrichtung angeordnet sein, welche bei geöffneter Stockwerktür die Druckausbreitung in der Druckleitung durch Klemmen unterbindet.In a second embodiment variant of the safety circuit explained in FIG. 1, a pressure source is provided as the transmitter, a pressure line as the conductor of the non-electrical signal and a pressure transducer as the receiver, a pressure medium pressurized by the pressure source, for example a gas by means of the pressure line via the locking device 3 is directed to the pressure transducer, which converts the pressure prevailing in the pressure medium into an electrical signal. At the Movable part 15 of the locking device 3 is a pressure line leading pressure medium is arranged, which is connected to a pressure medium leading pressure line when the floor door is closed. A pressure line loop can be arranged on the movable part 15 of the locking device 3 instead of the pressure line leading the pressure medium, which pressure loop connects the pressure line leading the pressure medium to the pressure line leading the pressure medium away when the storey door is closed. On the movable part 15 of the locking device 3, a clamping device can also be arranged instead of the pressure line leading the pressure medium, which prevents the pressure spreading in the pressure line by clamping when the storey door is open.

Je Verriegelungseinrichtung 3 sind Drucksensoren vorgesehen, die den Druck überwachen und deren Signal einer Schaltung zur Ausfallerkennung zugeführt werden, mit der die Schaltzustände an sämtlichen Verriegelungseinrichtungen 3 zentral überwacht sowie für Störungsanalyse und vorsorgliche Unterhaltsarbeiten ausgewertet werden.For each locking device 3, pressure sensors are provided, which monitor the pressure and whose signal is fed to a circuit for failure detection, with which the switching states on all locking devices 3 are monitored centrally and evaluated for fault analysis and preventive maintenance work.

In einer dritten Ausführungsvariante des in Figur 1 erläuterten Sicherheitskreises ist als Sender eine Schallquelle, als Leiter des nichtelektrischen Signales eine Schalleitung und als Empfänger ein Schallwandler vorgesehen, wobei von der Schallquelle erzeugte mechanische Wellen in der Form von konstantem oder pulsartigem Schall mittels der Schalleitung über die Verriegelungseinrichtung 3 zum Schallwandler gelenkt werden, der den Schall in ein elektrisches Signal umwandelt. Am beweglichen Teil 15 der Verriegelungseinrichtung 3 ist eine schallhinführende Schalleitung angeordnet, welche bei geschlossener Stockwerktür mit einer schallwegführenden Druckleitung verbunden ist. Am beweglichen Teil 15 der Verriegelungseinrichtung 3 kann anstelle der schallhinführenden Schalleitung eine Schalleitungsschlaufe angeordnet sein, welche bei geschlossener Stockwerktür die schallhinführende Schalleitung mit der schallwegführenden Schalleitung verbindet. Am beweglichen Teil 15 der Verriegelungseinrichtung 3 kann auch anstelle der schallhinführenden Schalleitung eine Klemmvorrichtung angeordnet sein, welche bei geöffneter Stockwerktür die Schallausbreitung in der Schalleitung durch Klemmen unterbindet.In a third embodiment variant of the safety circuit explained in FIG. 1, a sound source is provided as the transmitter, a sound line as the conductor of the non-electrical signal and a sound transducer as the receiver, mechanical waves generated by the sound source in the form of constant or pulse-like sound by means of the sound line via the Locking device 3 are directed to the transducer, which converts the sound into an electrical signal. On the movable part 15 of the locking device 3, a sound-conducting formwork line is arranged, which is connected to a sound-path-leading pressure line when the storey door is closed. On the movable part 15 of the Locking device 3 can be arranged in place of the sound-guiding formwork line, a formwork line loop, which connects the sound-guiding formwork line to the sound-guiding formwork line when the storey door is closed. On the movable part 15 of the locking device 3, a clamping device can also be arranged instead of the sound-conducting formwork line, which prevents the sound propagation in the formwork line by clamping when the storey door is open.

Je Verriegelungseinrichtung 3 sind Schallsensoren vorgesehen, die den Schall überwachen und deren Signal einer Schaltung zur Ausfallerkennung zugeführt werden, mit der die Schaltzustände an sämtlichen Verriegelungseinrichtungen 3 zentral überwacht sowie für Störungsanalyse und vorsorgliche Unterhaltsarbeiten ausgewertet werden.For each locking device 3, sound sensors are provided which monitor the sound and whose signal is fed to a circuit for failure detection, with which the switching states are monitored centrally on all locking devices 3 and evaluated for fault analysis and preventive maintenance work.

In einer vierten Ausführungsvariante des in Figur 1 erläuterten Sicherheitskreises ist als Sender eine Druckquelle, als Leiter des nichtelektrischen Signales eine Druckleitung und als Empfänger eine Schranke vorgesehen, wobei ein von der Druckquelle unter Druck gesetztes Druckmittel einen Körper, beispielsweise eine Kugel oder einen Zylinder mittels der Druckleitung über die Verriegelungseinrichtung 3 zur Schranke bewegt, die den Durchgang des Körpers in ein elektrisches Signal umwandelt. Am beweglichen Teil 15 der Verriegelungseinrichtung 3 ist eine druckmittelhinführende Druckleitung angeordnet, welche bei geschlossener Stockwerktür mit einer druckmittelwegführenden Druckleitung verbunden ist. Am beweglichen Teil 15 der Verriegelungseinrichtung 3 kann anstelle der druckmittelhinführenden Druckleitung eine Druckleitungsschlaufe angeordnet sein, welche bei geschlossener Stockwerktür die druckmittelhinführende Druckleitung mit der druckmittelwegführenden Druckleitung verbindet. Am beweglichen Teil 15 der Verriegelungseinrichtung 3 kann auch anstelle der druckmittelhinführenden Druckleitung eine Klemmvorrichtung angeordnet sein, welche bei geöffneter Stockwerktür den Durchgang des Körpers durch Klemmen der Druckleitung unterbindet.In a fourth embodiment variant of the safety circuit explained in FIG. 1, a pressure source is provided as the transmitter, a pressure line as the conductor of the non-electrical signal and a barrier as the receiver, a pressure medium pressurized by the pressure source using a body, for example a ball or a cylinder Pressure line is moved via the locking device 3 to the barrier, which converts the passage of the body into an electrical signal. On the movable part 15 of the locking device 3 there is a pressure line leading to the pressure medium, which is connected to a pressure line leading away from the pressure medium when the floor door is closed. On the movable part 15 of the locking device 3, a pressure line loop can be arranged instead of the pressure line leading to the pressure medium closed floor door connects the pressure line leading the pressure medium with the pressure line leading pressure medium away. A clamping device can also be arranged on the movable part 15 of the locking device 3 instead of the pressure line leading to the pressure medium, which prevents the passage of the body by clamping the pressure line when the storey door is open.

Je Verriegelungseinrichtung 3 sind Durchgangssensoren vorgesehen, die den Druck überwachen und deren Signal einer Schaltung zur Ausfallerkennung zugeführt werden, mit der die Schaltzustände an sämtlichen Verriegelungseinrichtungen 3 zentral überwacht sowie für Störungsanalyse und vorsorgliche Unterhaltsarbeiten ausgewertet werden.For each locking device 3, passage sensors are provided, which monitor the pressure and whose signal is fed to a circuit for failure detection, with which the switching states on all locking devices 3 are monitored centrally and evaluated for fault analysis and preventive maintenance work.

Claims (29)

Türsicherheitskreis zur Überwachung von mindestens einer Stockwerktür einer Aufzugsanlage, der einen Sender (1) und einen Empfänger (9) aufweist, wobei ein vom Sender (1) erzeugtes nichtelektrisches Signal, das von einer Verriegelungseinrichtung der Stockwerktür beeinflusst wird, dem Empfänger (9) zur Umwandlung in ein elektrisches Signal zugeführt wird,
dadurch gekennzeichnet,
dass Mittel (2) zur Lenkung des nichtelektrischen Signales vom Sender (1) zur Verriegelungseinrichtung (3) vorgesehen sind,
dass Mittel (4; 7) zur Lenkung des nichtelektrischen Signales an der Verriegelungseinrichtung (3) vorgesehen sind und
dass Mittel (5; 8) zur Lenkung des nichtelektrischen Signales von der Verriegelungseinrichtung (3) zum Empfänger (9) vorgesehen sind,
Door security circuit for monitoring at least one storey door of an elevator installation, which has a transmitter (1) and a receiver (9), a non-electrical signal generated by the transmitter (1), which is influenced by a locking device of the storey door, for the receiver (9) Conversion into an electrical signal is supplied
characterized,
that means (2) for routing the non-electrical signal from the transmitter (1) to the locking device (3) are provided,
that means (4; 7) for steering the non-electrical signal are provided on the locking device (3) and
that means (5; 8) are provided for routing the non-electrical signal from the locking device (3) to the receiver (9),
Türsicherheitskreis nach Anspruch 1,
dadurch gekennzeichnet,
dass die Verriegelungseinrichtung (3) einer ersten Stockwerktür mit der Verriegelungseinrichtung (3) mindestens einer weiteren Stockwerktür durch die Mittel (2; 4; 5; 7; 8) zur Lenkung des nichtelektrischen Signals in Reihe geschaltet sind.
Door security circuit according to claim 1,
characterized,
that the locking device (3) of a first floor door is connected in series with the locking device (3) of at least one further floor door by the means (2; 4; 5; 7; 8) for steering the non-electrical signal.
Türsicherheitskreis nach den Ansprüchen 1 und 2,
dadurch gekennzeichnet,
dass der Sender (1) eine Lichtquelle, die Mittel (2; 4; 5; 7; 8) zur Lenkung des nichtelektrischen Signales ein Lichtleiter und der Empfänger (9) ein photoelektrisches Element ist, wobei ein von der Lichtquelle erzeugtes Licht mittels dem Lichtleiter über die Verriegelungseinrichtung (3) zum photoelektrischen Element gelenkt wird, das das Licht in ein elektrisches Signal umwandelt.
Door security circuit according to claims 1 and 2,
characterized,
that the transmitter (1) is a light source, the means (2; 4; 5; 7; 8) for directing the non-electrical signal is a light guide and the receiver (9) is a photoelectric element, a light generated by the light source by means of the light guide via the locking device (3) to is directed photoelectric element that converts the light into an electrical signal.
Türsicherheitskreis nach Anspruch 3,
dadurch gekennzeichnet,
dass die Lichtquelle konstantes Licht aussendet.
Door security circuit according to claim 3,
characterized,
that the light source emits constant light.
Türsicherheitskreis nach Anspruch 3,
dadurch gekennzeichnet,
dass die Lichtquelle pulsartiges Licht aussendet.
Door security circuit according to claim 3,
characterized,
that the light source emits pulsed light.
Türsicherheitskreis nach Anspruch 3,
dadurch gekennzeichnet,
dass an einem beweglichen Teil (15) der Verriegelungseinrichtung (3) ein lichthinführender Lichtleiter (16) angeordnet ist, welcher bei geschlossener Stockwerktür mit einem lichtwegführenden Lichtleiter (18) verbunden ist.
Door security circuit according to claim 3,
characterized,
that a light-guiding light guide (16) is arranged on a movable part (15) of the locking device (3), which is connected to a light-guiding light guide (18) when the storey door is closed.
Türsicherheitskreis nach Anspruch 3,
dadurch gekennzeichnet,
dass an einem beweglichen Teil (15) der Verriegelungseinrichtung (3) eine Lichtleiterschlaufe (20) angeordnet ist, welche bei geschlossener Stockwerktür den lichthinführenden Lichtleiter (16) mit dem lichtwegführenden Lichtleiter (18) verbindet.
Door security circuit according to claim 3,
characterized,
that a light guide loop (20) is arranged on a movable part (15) of the locking device (3), which connects the light-guiding light guide (16) to the light-guiding light guide (18) when the storey door is closed.
Türsicherheitskreis nach Anspruch 3,
dadurch gekennzeichnet,
dass am beweglichen Teil (15) der Verriegelungseinrichtung (3) ein Reflektor (21) angeordnet ist, an dem ein aus dem lichthinführenden Lichtleiter (16) austretender Lichtstrahl (24) zum lichtwegführenden Lichtleiter (18) reflektiert wird.
Door security circuit according to claim 3,
characterized,
that a reflector (21) is arranged on the movable part (15) of the locking device (3), on which a light beam (24) emerging from the light-guiding light guide (16) is reflected to the light-guiding light guide (18).
Türsicherheitskreis nach Anspruch 3,
dadurch gekennzeichnet,
dass zur Überprüfung der Lichtleiter die Lichtquelle mit dem photoelektrischen Element verbindbar ist und dass je Lichtleiterteilstück ein Photosensor vorgesehen ist, dessen Signal einer Schaltung zur Ausfallerkennung zugeführt wird.
Door security circuit according to claim 3,
characterized,
that the light source can be connected to the photoelectric element for checking the light guide and that a photosensor is provided for each light guide section, the signal of which is fed to a circuit for failure detection.
Türsicherheitskreis nach den Ansprüchen 1 und 2,
dadurch gekennzeichnet,
dass der Sender (1) eine Druckquelle, die Mittel (2; 4; 5; 7; 8) zur Lenkung des nichtelektrischen Signales eine Druckleitung und der Empfänger (9) ein Druckwandler ist, wobei ein von der Druckquelle unter Druck gesetztes Druckmittel mittels der Druckleitung über die Verriegelungseinrichtung (3) zum Druckwandler gelenkt wird, der den im Druckmittel herrschende Druck in ein elektrisches Signal umwandelt.
Door security circuit according to claims 1 and 2,
characterized,
that the transmitter (1) is a pressure source, the means (2; 4; 5; 7; 8) for directing the non-electrical signal is a pressure line and the receiver (9) is a pressure transducer, a pressure medium pressurized by the pressure source by means of the Pressure line is directed via the locking device (3) to the pressure transducer, which converts the pressure prevailing in the pressure medium into an electrical signal.
Türsicherheitskreis nach Anspruch 10,
dadurch gekennzeichnet,
dass das Druckmittel ein Druckgas ist.
Door security circuit according to claim 10,
characterized,
that the pressure medium is a pressure gas.
Türsicherheitskreis nach Anspruch 10,
dadurch gekennzeichnet,
dass am beweglichen Teil (15) der Verriegelungseinrichtung (3) eine druckmittelhinführende Druckleitung angeordnet ist, welche bei geschlossener Stockwerktür mit einer druckmittelwegführenden Druckleitung verbunden ist.
Door security circuit according to claim 10,
characterized,
that on the movable part (15) of the locking device (3) there is a pressure line leading to the pressure medium, which is connected to a pressure line leading away from the pressure medium when the landing door is closed.
Türsicherheitskreis nach Anspruch 10,
dadurch gekennzeichnet,
dass am beweglichen Teil (15) der Verriegelungseinrichtung (3) eine Druckleitungsschlaufe angeordnet ist, welche bei geschlossener Stockwerktür die druckmittelhinführende Druckleitung mit der druckmittelwegführenden Druckleitung verbindet.
Door security circuit according to claim 10,
characterized,
that a pressure line loop is arranged on the movable part (15) of the locking device (3) which, when the landing door is closed, guides the pressure medium Connects pressure line with the pressure line carrying the pressure medium away.
Türsicherheitskreis nach Anspruch 10,
dadurch gekennzeichnet,
dass am beweglichen Teil (15) der Verriegelungseinrichtung (3) eine Klemmvorrichtung angeordnet ist, welche bei geöffneter Stockwerktür die Druckausbreitung in der Druckleitung durch Klemmen unterbindet.
Door security circuit according to claim 10,
characterized,
that a clamping device is arranged on the movable part (15) of the locking device (3), which prevents the pressure spreading in the pressure line by clamping when the storey door is open.
Türsicherheitskreis nach Anspruch 10,
dadurch gekennzeichnet,
dass zur Überprüfung der Druckleitungen die Druckquelle mit dem Druckwandler verbindbar ist und dass je Druckleitungsteilstück ein Drucksensor vorgesehen ist, dessen Signal einer Schaltung zur Ausfallerkennung zugeführt wird.
Door security circuit according to claim 10,
characterized,
that the pressure source can be connected to the pressure transducer for checking the pressure lines and that a pressure sensor is provided for each pressure line section, the signal of which is fed to a circuit for failure detection.
Türsicherheitskreis nach den Ansprüchen 1 und 2,
dadurch gekennzeichnet,
dass der Sender (1) eine Schallquelle, die Mittel (2; 4; 5; 7; 8) zur Lenkung des nichtelektrischen Signales eine Schalleitung und der Empfänger (9) ein Schallwandler ist, wobei von der Schallquelle erzeugte mechanische Wellen in der Form von Schall mittels der Schalleitung über die Verriegelungseinrichtung (3) zum Schallwandler gelenkt werden, der den Schall in ein elektrisches Signal umwandelt.
Door security circuit according to claims 1 and 2,
characterized,
that the transmitter (1) is a sound source, the means (2; 4; 5; 7; 8) for directing the non-electrical signal is a sound line and the receiver (9) is a sound transducer, mechanical waves generated by the sound source in the form of Sound can be directed via the locking device (3) to the sound transducer, which converts the sound into an electrical signal.
Türsicherheitskreis nach Anspruch 16,
dadurch gekennzeichnet,
dass die Schallquelle konstanten Schall aussendet.
Door security circuit according to claim 16,
characterized,
that the sound source emits constant sound.
Türsicherheitskreis nach Anspruch 16,
dadurch gekennzeichnet,
dass die Schallquelle pulsartigen Schall aussendet.
Door security circuit according to claim 16,
characterized,
that the sound source emits pulsed sound.
Türsicherheitskreis nach Anspruch 16,
dadurch gekennzeichnet,
dass am beweglichen Teil (15) der Verriegelungseinrichtung (3) eine schallhinführende Schalleitung angeordnet ist, welche bei geschlossener Stockwerktür mit der schallwegführenden Schalleitung verbunden ist.
Door security circuit according to claim 16,
characterized,
that on the movable part (15) of the locking device (3) there is a sound-conducting formwork line, which is connected to the sound-path-leading formwork line when the landing door is closed.
Türsicherheitskreis nach Anspruch 16,
dadurch gekennzeichnet,
dass am beweglichen Teil (15) der Verriegelungseinrichtung (3) eine Schalleitungsschlaufe angeordnet ist, welche bei geschlossener Stockwerktür die schallhinführende Schalleitung mit der schallwegführenden Schalleitung verbindet.
Door security circuit according to claim 16,
characterized,
that on the movable part (15) of the locking device (3) a formwork loop is arranged, which connects the sound-guiding formwork line with the sound-path-guiding formwork line when the landing door is closed.
Türsicherheitskreis nach Anspruch 16,
dadurch gekennzeichnet,
dass am beweglichen Teil (15) der Verriegelungseinrichtung (3) eine Klemmvorrichtung angeordnet ist, welche bei geöffneter Stockwerktür die Schallausbreitung in der Schalleitung durch Klemmen unterbindet.
Door security circuit according to claim 16,
characterized,
that a clamping device is arranged on the movable part (15) of the locking device (3), which prevents the sound propagation in the formwork line by clamping when the storey door is open.
Türsicherheitskreis nach Anspruch 16,
dadurch gekennzeichnet,
dass zur Überprüfung der Schalleitungen die Schallquelle mit dem Schallwandler verbindbar ist und dass je Schalleitungsteilstück ein Schallsensor vorgesehen ist, dessen Signal einer Schaltung zur Ausfallerkennung zugeführt wird.
Door security circuit according to claim 16,
characterized,
that the sound source can be connected to the sound transducer for checking the sound lines and that a sound sensor is provided for each sound line section, the signal of which is fed to a circuit for failure detection.
Türsicherheitskreis nach den Ansprüchen 1 und 2,
dadurch gekennzeichnet,
dass der Sender (1) eine Druckquelle, die Mittel (2; 4; 5; 7; 8) zur Lenkung des nichtelektrischen Signales eine Druckleitung und der Empfänger (9) eine Schranke ist, wobei ein von der Druckquelle unter Druck gesetztes Druckmittel einen Körper mittels der Druckleitung über die Verriegelungseinrichtung (3) zur Schranke bewegt, die den Durchgang des Körpers in ein elektrisches Signal umwandelt.
Door security circuit according to claims 1 and 2,
characterized,
that the transmitter (1) is a pressure source, the means (2; 4; 5; 7; 8) for directing the non-electrical signal is a pressure line and the receiver (9) is a barrier, a pressure medium pressurized by the pressure source being a body moved by means of the pressure line via the locking device (3) to the barrier, which converts the passage of the body into an electrical signal.
Türsicherheitskreis nach Anspruch 23,
dadurch gekennzeichnet,
dass der Körper eine Kugel ist.
Door security circuit according to claim 23,
characterized,
that the body is a sphere.
Türsicherheitskreis nach Anspruch 23,
dadurch gekennzeichnet,
dass der Körper ein Zylinder ist.
Door security circuit according to claim 23,
characterized,
that the body is a cylinder.
Türsicherheitskreis nach Anspruch 23,
dadurch gekennzeichnet,
dass am beweglichen Teil (15) der Verriegelungseinrichtung (3) eine druckmittelhinführende Druckleitung angeordnet ist, welche bei geschlossener Stockwerktür mit der druckmittelwegführenden Druckleitung verbunden ist.
Door security circuit according to claim 23,
characterized,
that a pressure line leading the pressure medium is arranged on the movable part (15) of the locking device (3) and is connected to the pressure line leading the pressure medium away when the landing door is closed.
Türsicherheitskreis nach Anspruch 23,
dadurch gekennzeichnet,
dass am beweglichen Teil (15) der Verriegelungseinrichtung (3) eine Druckleitungsschlaufe angeordnet ist, welche bei geschlossener Stockwerktür die druckmittelhinführende Druckleitung mit der druckmittelwegführenden Druckleitung verbindet.
Door security circuit according to claim 23,
characterized,
that a pressure line loop is arranged on the movable part (15) of the locking device (3), which connects the pressure line leading pressure medium to the pressure line leading pressure medium path when the floor door is closed.
Türsicherheitskreis nach Anspruch 23,
dadurch gekennzeichnet,
dass am beweglichen Teil (15) der Verriegelungseinrichtung (3) eine Klemmvorrichtung angeordnet ist, welche bei geöffneter Stockwerktür den Durchgang des Körpers durch Klemmen der Druckleitung unterbindet.
Door security circuit according to claim 23,
characterized,
that a clamping device is arranged on the movable part (15) of the locking device (3), which prevents the passage of the body by clamping the pressure line when the storey door is open.
Türsicherheitskreis nach Anspruch 23,
dadurch gekennzeichnet,
dass zur Überprüfung der Druckleitungen und des Durchganges des Körpers die Druckquelle mit der Schranke verbindbar ist und
dass je Druckleitungsteilstück ein Durchgangssensor vorgesehen ist, dessen Signal einer Schaltung zur Ausfallerkennung zugeführt wird.
Door security circuit according to claim 23,
characterized,
that for checking the pressure lines and the passage of the body the pressure source can be connected to the barrier and
that a passage sensor is provided for each pressure line section, the signal of which is fed to a circuit for failure detection.
EP94114692A 1993-10-06 1994-09-19 Door security circuit for monitoring halldoors in lift equipment Expired - Lifetime EP0647584B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH300693 1993-10-06
CH3006/93 1993-10-06

Publications (2)

Publication Number Publication Date
EP0647584A1 true EP0647584A1 (en) 1995-04-12
EP0647584B1 EP0647584B1 (en) 1999-04-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP94114692A Expired - Lifetime EP0647584B1 (en) 1993-10-06 1994-09-19 Door security circuit for monitoring halldoors in lift equipment

Country Status (15)

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US (1) US5616895A (en)
EP (1) EP0647584B1 (en)
JP (1) JP3681419B2 (en)
CN (1) CN1115292C (en)
AT (1) ATE178563T1 (en)
AU (1) AU675164B2 (en)
BR (1) BR9403999A (en)
CA (1) CA2132152C (en)
DE (1) DE59408074D1 (en)
ES (1) ES2132296T3 (en)
FI (1) FI109116B (en)
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NO (1) NO307604B1 (en)
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HK1012321A1 (en) 1999-07-30
BR9403999A (en) 1995-06-13
EP0647584B1 (en) 1999-04-07
AU7442594A (en) 1995-04-27
FI944469A (en) 1995-04-07
FI109116B (en) 2002-05-31
NO943724D0 (en) 1994-10-05
CN1109443A (en) 1995-10-04
ATE178563T1 (en) 1999-04-15
AU675164B2 (en) 1997-01-23
US5616895A (en) 1997-04-01
JPH07157249A (en) 1995-06-20
CA2132152C (en) 2005-02-15
NO307604B1 (en) 2000-05-02
TR28493A (en) 1996-09-02
CA2132152A1 (en) 1995-04-07
CN1115292C (en) 2003-07-23
JP3681419B2 (en) 2005-08-10
ES2132296T3 (en) 1999-08-16
DE59408074D1 (en) 1999-05-12
NO943724L (en) 1995-04-07
ZA947824B (en) 1995-05-26
FI944469A0 (en) 1994-09-27

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