EP1427660B1 - Systeme de controle - Google Patents

Systeme de controle Download PDF

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Publication number
EP1427660B1
EP1427660B1 EP02754114A EP02754114A EP1427660B1 EP 1427660 B1 EP1427660 B1 EP 1427660B1 EP 02754114 A EP02754114 A EP 02754114A EP 02754114 A EP02754114 A EP 02754114A EP 1427660 B1 EP1427660 B1 EP 1427660B1
Authority
EP
European Patent Office
Prior art keywords
sensor means
door
monitoring system
signals
evaluating
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
EP02754114A
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German (de)
English (en)
Other versions
EP1427660A1 (fr
Inventor
Philipp Angst
Romeo Deplazes
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Inventio AG
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Inventio AG
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Application filed by Inventio AG filed Critical Inventio AG
Priority to EP02754114A priority Critical patent/EP1427660B1/fr
Publication of EP1427660A1 publication Critical patent/EP1427660A1/fr
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/22—Operation of door or gate contacts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons

Definitions

  • the invention relates to a monitoring system for monitoring a manhole or car door of an elevator system.
  • US 5,644,111 discloses an over-the-waist system according to the preamble of claim 1.
  • elevator systems have so-called double doors, that is to say both shaft doors and also cabin doors arranged on the elevator car.
  • the opening and closing of the shaft doors is usually initiated by the cabin or the car doors.
  • all shaft doors must always be closed during operation, with the exception of the shaft door of that floor in which the elevator car is just stopping.
  • the car doors must be closed when the elevator is not stopping on a floor to be loaded or unloaded or entered or left.
  • the manhole and / or cabin doors can also be opened when the elevator car is located elsewhere than in the above-described situations.
  • the state ie the position of the shaft and car doors or the position of bars with which the shaft and / or car doors can be locked in their closed positions, are monitored by means of monitoring systems.
  • sensor means for example in the form of positively driven devices with safety contact points.
  • the safety contact points are integrated in series connection in a safety circuit.
  • the arrangement is such that the elevator car can only be moved when the safety circuit and thus all safety contacts integrated in it are closed.
  • the object of the invention is thus seen to show an improved monitoring system of the type mentioned, with which the disadvantages of the prior art can be avoided or at least greatly reduced.
  • the detection of the state of the manhole or car doors by the sensor means should be analyzable and diagnosable.
  • gradual deteriorations of individual subsystems should be discernible so that preventive maintenance can be initiated in good time.
  • the new monitoring system should act in such a way that malfunctions or failures of individual contacts do not lead to a failure of the entire elevator system.
  • the shaft doors and / or the car doors have sensor means with which their condition, that is to say the assumption of their open or closed position, is detected.
  • the monitoring system further has an evaluation system connected to the sensor means, which evaluates the signals supplied by the sensor means. This evaluation takes place at short intervals and makes it possible to detect the condition of the monitored manhole or car door; as well temporal changes of the signal characteristic can be detected.
  • the evaluation unit can also locate an error from the signals of the sensor means and thus an analysis and diagnosis relating to the error is possible.
  • the signal characteristics of the Sensor signals supplied can also be detected temporal quality reductions, so that precautionary maintenance measures can be initiated.
  • the evaluation system is designed such that it can detect and localize a fault in particular and / or determine a defect of a sensor means and / or determine whether sensor means are worn and / or can detect incorrect manipulation of the shaft door associated with a particular sensor means and / or or can detect the need for maintenance and / or recommend servicing.
  • an evaluation system can be provided per floor; This evaluation system is preferably connected via a data bus with an elevator control.
  • a common evaluation system can be provided for several floors; Such an evaluation system is preferably connected via a data bus to an elevator control.
  • the evaluation system has a local processor to evaluate the signals of the sensor means.
  • a particularly favorable arrangement is obtained if the evaluation system of the new monitoring system can also process other signals or data of the elevator installation, ie other lift sizes.
  • a redundancy in the elevator system can be used, in that, on the one hand, a sensor means indicates the closed position of a car door and, on the other hand, an incremental encoder of the door drive also detects the closed position of the car door.
  • the evaluation system is designed so that it also detects the temporal changes in the signal characteristic, ie the characteristic of the signals to be evaluated; This makes it possible to detect abnormal bounce behavior of sensor means or abnormal dynamic waveforms and / or abnormal static conditions, for example a voltage drop, on sensor means. This makes it possible to perform diagnostics at the level of individual components and to initiate the precautionary maintenance of individual sensors.
  • a sensor means comprising at least two redundant sensors; thereby, the failure of a single sensor can be prevented from leading to failure of the entire elevator system equipped with the new monitoring system; At least in the short term, the elevator system can remain in operation if a sensor of a sensor means is no longer functional.
  • a sensor means which comprises two sensors which are arranged in the region of a shaft door or the car door, that during the closing or opening, or during the change of the state of the shaft door or the car door, only one of the two Sensors and later offset the second time the two sensors provides a signal. It may for example be provided that a first sensor emits a signal when a manhole or car door is closed except for a remaining door gap, about 10 mm, and that the second sensor emits a signal when the manhole or car door completely closed and locked. In this way it can be seen whether a manhole or car door completely closes or due to pollution, mechanical wear, deformation no longer completely closes.
  • the monitoring system can be designed so that there is no interruption of operation if the remaining door gap does not exceed a limit value, but at the same time a service call is generated.
  • the evaluation system advantageously triggers at least one predefined reaction, in particular the localization of an error and / or the generation of a service call and / or the storage of diagnostic information and / or the stopping of the elevator car or the execution of a service call other situation-dependent reaction if a shaft door was recognized as open.
  • FIG. 1 shows an arrangement with decentralized evaluation.
  • a not shown elevator system has a door 10, which may be a shaft door or a car door.
  • This door 10 is associated with sensor means, namely a first sensor means 12 and a second sensor means 14.
  • Each of the sensor means 12, 14 has one or more sensors (not shown), which are formed in the present embodiment as a switch and actuated via door elements 11.
  • the sensor means 12, 14 are connected via connections 16, 18 with an evaluation system 20, which is intended only for the evaluation of the signals of the door 10.
  • the evaluation system 20 is connected via a bus node 22 to a data bus 24, which is connected to a central controller 26.
  • bus node 22 In addition to the signals supplied by the sensor means 12, 14, other signals, that is other lift sizes, are connected to the bus node 22 via further connections 30, 32; also a connection to the evaluation system or not illustrated integrated computer would be possible.
  • the evaluation system 20 can also be integrated in the bus node 22.
  • Fig. 2 shows an arrangement with central evaluation. From the elevator system, not shown, a first door 10 and another, also designated 10 second door is shown. Each of the doors 10 is associated with sensor means, namely a first sensor means 12 and a second sensor means 14. Each of the sensor means 12, 14 has one or more sensors (not shown), which are formed in the present embodiment as a switch and actuated via door elements 11.
  • the sensor means 12, 14 of the doors 10 are connected via two connections 16, 18 with the evaluation system 20, which is intended for the evaluation of the signals of the two doors 10.
  • the evaluation system 20 is connected to a data bus 24, which is connected to a controller 26.
  • other signals that is to say other lift sizes, are connected to the evaluation system 20 via further connections 30, 32; It would also be possible to connect to an integrated computer (not shown).
  • the operation of the above-described arrangements of Figs. 1 and 2 is substantially the same.
  • the trained as a switch sensors of the sensor means 12, 14 cooperate with the door elements 11 of the doors 10.
  • the signals generated by the sensor means 12, 14 describe the switching states of the corresponding switches, which form the sensors of the sensor means 12, 14; These switching states correspond to the states or positions of the door 10, that is, they indicate in each case whether the door 10 is open or closed is.
  • signal characteristics emanate from the signals emanating from the sensors.
  • the signals and signal characteristics are evaluated in the evaluation system 20. Based on the results of the evaluation, suitable reactions are initiated; such measures are, for example, the generation of a precautionary service call, the storage of diagnostic information or the decommissioning of the elevator system.
  • the evaluation can according to FIG. 1 per door, so decentralized, or as shown in FIG. 2 for several doors, so centrally done.
  • the evaluation of the signals can also be taken over by the bus nodes.
  • the bus nodes also form the evaluation systems. For example, no qualified information or diagnosis is transmitted to the central controller, but only one status is transmitted, for example the message "switch closed / diagnosis in order".

Claims (10)

  1. Système de contrôle pour une installation d'ascenseur, pour surveiller une porte palière (10) qui ferme l'accès à une gaine d'ascenseur ou une porte de cabine (10) d'une cabine d'ascenseur, la porte palière (10) ou la porte de cabine (10) comportant au moins un moyen de détection (12, 14) pour contrôler son état et un système d'évaluation (20) pour évaluer les signaux fournis par les moyens de détection (12, 14), les moyens de détection (12, 14) étant reliés au système d'évaluation (20),
    caractérisé en ce que le système d'évaluation (20) évalue à intervalles rapprochés les signaux des moyens de détection (12, 14) afin de détecter l'état de la porte palière (10) ou de la porte de cabine (10) surveillée et les variations dans le temps d'une caractéristique des signaux des moyens de détection (12, 14).
  2. Système de contrôle selon la revendication 1, caractérisé en ce que le système d'évaluation (20) peut détecter de manière fiable l'un au moins des états suivants :
    i. détection et localisation d'un défaut,
    ii. moyen de détection (12, 14) défectueux, défaillant
    iii. moyen de détection (12, 14) usé
    iv. fausse manoeuvre de la porte palière (10) dans la zone de laquelle se trouve le moyen de détection (12, 14),
    v. maintenance nécessaire,
    vi. maintenance conseillée.
  3. Système de contrôle selon la revendication 1 ou 2, caractérisé en ce que pour chaque étage ou pour plusieurs étages conjointement, il est prévu un système d'évaluation (20) qui est relié de préférence grâce à un bus de données (24) à une commande d'ascenseur (26).
  4. Système de contrôle selon la revendication 2 ou 3, caractérisé en ce que le système d'évaluation (20) est intégré dans un noeud de bus du bus de données (24) et/ou comporte un processeur local pour effectuer l'évaluation des signaux des moyens de détection (12, 14).
  5. Système de contrôle selon l'une des revendications 1 à 4, caractérisé en ce que le système d'évaluation (20) traite aussi d'autres grandeurs d'ascenseur, par exemple les signaux d'un capteur de position incrémentiel prévu sur un entraînement de porte.
  6. Système de contrôle selon l'une des revendications 1 à 5, caractérisé en ce que le système d'évaluation (20) relève les variations dans le temps de la caractéristique de signaux pour détecter un rebondissement anormal du moyen de détection (12, 14) ou des courbes de signaux dynamiques anormales, par exemple le rebondissement du moyen de détection (12, 14), et/ou des états de signaux statiques anormaux, par exemple une baisse de tension, sur le moyen de détection (12, 14).
  7. Système de contrôle selon l'une des revendications 1 à 6, caractérisé en ce que le moyen de détection (12, 14) comprend deux capteurs redondants ou plus, pour qu'une défaillance de l'un des capteurs n'entraîne pas une panne de toute l'installation d'ascenseur équipée du système de contrôle (20).
  8. Système de contrôle selon l'une des revendications 1 à 7, caractérisé en ce que le moyen de détection (12, 14) comprend deux capteurs qui sont disposés dans la zone de la porte palière (10) et/ou de la porte de cabine de telle sorte que pendant la fermeture de la porte palière (10) ou de la porte de cabine (10), un premier capteur, tout d'abord, puis le second, de manière décalée dans le temps, fournissent un signal.
  9. Système de contrôle selon l'une des revendications 1 à 8, caractérisé en ce que le système d'évaluation (20) évalue les signaux et la caractéristique de signaux pour pouvoir déclencher l'une au moins des réactions prédéfinies suivantes :
    - localisation d'un défaut ;
    - déclenchement d'un appel de service ;
    - mise en mémoire d'informations de diagnostic ;
    - au cas où il a été constaté qu'une porte palière était ouverte, arrêt de la cabine d'ascenseur ou réaction dépendant de la situation.
  10. Système de contrôle selon l'une des revendications 1 à 9, caractérisé en ce qu'il est prévu un système d'évaluation (20) par porte de cabine (10) ou au moins un système d'évaluation par cabine, le système d'évaluation (20) étant de préférence relié par l'intermédiaire d'un bus de données (24) à une commande d'ascenseur (26)
EP02754114A 2001-09-18 2002-09-11 Systeme de controle Expired - Lifetime EP1427660B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02754114A EP1427660B1 (fr) 2001-09-18 2002-09-11 Systeme de controle

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP01810904 2001-09-18
EP01810904 2001-09-18
EP02754114A EP1427660B1 (fr) 2001-09-18 2002-09-11 Systeme de controle
PCT/CH2002/000499 WO2003024854A1 (fr) 2001-09-18 2002-09-11 Systeme de controle

Publications (2)

Publication Number Publication Date
EP1427660A1 EP1427660A1 (fr) 2004-06-16
EP1427660B1 true EP1427660B1 (fr) 2006-03-29

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ID=8184143

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02754114A Expired - Lifetime EP1427660B1 (fr) 2001-09-18 2002-09-11 Systeme de controle

Country Status (9)

Country Link
US (1) US6988594B2 (fr)
EP (1) EP1427660B1 (fr)
JP (1) JP2005502566A (fr)
CN (1) CN1314574C (fr)
AT (1) ATE321722T1 (fr)
CA (1) CA2457551C (fr)
DE (1) DE50206243D1 (fr)
HK (1) HK1066780A1 (fr)
WO (1) WO2003024854A1 (fr)

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Also Published As

Publication number Publication date
CN1543425A (zh) 2004-11-03
ATE321722T1 (de) 2006-04-15
WO2003024854A1 (fr) 2003-03-27
CA2457551C (fr) 2010-11-23
JP2005502566A (ja) 2005-01-27
HK1066780A1 (en) 2005-04-01
DE50206243D1 (de) 2006-05-18
US20050029055A1 (en) 2005-02-10
CN1314574C (zh) 2007-05-09
CA2457551A1 (fr) 2003-03-27
US6988594B2 (en) 2006-01-24
EP1427660A1 (fr) 2004-06-16

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