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EP2493802B1 - Circuit de sécurité dans une installation d'ascenseur - Google Patents

Circuit de sécurité dans une installation d'ascenseur Download PDF

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Publication number
EP2493802B1
EP2493802B1 EP10771084.0A EP10771084A EP2493802B1 EP 2493802 B1 EP2493802 B1 EP 2493802B1 EP 10771084 A EP10771084 A EP 10771084A EP 2493802 B1 EP2493802 B1 EP 2493802B1
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EP
European Patent Office
Prior art keywords
circuit
safety
semiconductor switches
relay
contacts
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Application number
EP10771084.0A
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German (de)
English (en)
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EP2493802A1 (fr
Inventor
Eric Birrer
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Inventio AG
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Inventio AG
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Publication of EP2493802A1 publication Critical patent/EP2493802A1/fr
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    • 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
    • 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

Definitions

  • the present invention relates to an elevator installation, in which at least one elevator car and at least one counterweight are moved in opposite directions in an elevator shaft, wherein the at least one elevator car and the at least one counterweight run along guide rails, carried by one or more support means.
  • the one or more suspension elements are guided over a traction sheave of a drive unit which has a drive brake.
  • the elevator system has a safety circuit which, among other things, activates the drive brake in an emergency and includes a bridging of the door contacts so that the safety circuit remains closed when the doors are opened.
  • the present invention particularly relates to the safety circuit.
  • electromechanical switches are used to bridge the door contacts.
  • the number of trips the elevator car can be more than 1000 per working day, with the bridging of the door contacts takes place twice each trip. This results in a number of about 520,000 circuits per year for the electromechanical switches. This number is so high that the electromechanical switches become the main limiting factor for the reliability of the door contacts bridging.
  • the bridging of the door contacts is classified as a so-called high-demand safety function.
  • the IEC 61508 standard defines high-demand safety functions as functions that, on average, switch over more than once a year in trouble-free normal operation of the elevator system, while low-demand safety functions designate such functions as are provided only for emergencies of the elevator system or only for an emergency operation of the elevator system, in which there is a fault and switch on average less frequently than once a year.
  • SIL safety integrity level
  • SIL1 safety integrity level
  • PFD probability of dangerous failure on demand
  • Low-Demand Mode and High-Demand Mode (High-Demand-Mode or Continuous Mode) available in specialized media based on this standard (IEC 61508-4, Section 3.5.12) ) specifies their distinction not only on the basis of the low or high (continuous) request rate, but as follows: A (low-demand) safety function operating in the request mode is executed only on request and brings the system to be monitored into a defined safe state. The executing elements of this low-demand security feature do not affect the system being monitored before a request to the security function occurs. By contrast, a (high-demand) safety function that operates in continuous mode always keeps the system to be monitored in its normal safe state. The elements of this high-demand security feature thus constantly monitor the system to be monitored.
  • EP 1 535 896 A2 discloses an elevator installation with a safety circuit, wherein the door contacts of the safety circuit of the safety circuit can be bridged by the elevator control
  • the object of the present invention is to propose a safety circuit for an elevator installation, which comprises a more reliable and safer fulfillment of a frequently switching high-demand safety function such as the bridging of the door contacts and thus the safety, but also the cost efficiency and the low maintenance of the entire elevator system elevated.
  • Such semiconductor switches such as Metal Oxide Semiconductor Field Effect Transistor (MOSFET) MOSFETs, are generally based on transistors that can withstand millions of switching cycles per day. The disadvantage is only their tendency in case of failure to cause a short circuit, which would result in a permanent bridging of all door contacts. In other words, if for redundancy reasons, preferably two semiconductor switches (to meet the security level SIL2) are provided for bridging the door contacts, and these two semiconductor switches should fail because of a short circuit, enters the high risk situation that the elevator car and the counterweight with open shaft - and / or cabin doors can be moved because the semiconductor short-circuit simulates closed doors.
  • MOSFET Metal Oxide Semiconductor Field Effect Transistor
  • the publication font EP-A2-1 535 876 discloses a drive which is connected to a power semiconductor having electronic device, wherein between the drive and the electronic device at least one main contactor is provided, which is connected to a safety circuit comprising series-connected door switch. These serially connected door switches are in turn bridged with switches when opening the doors.
  • this publication thus discloses the use of semiconductors - power semiconductors in an electronic device of the drive, but not within the safety circuit, as well as no failsafe solution to avoid the short-circuit tendency of the semiconductor, but rather serving the noise avoidance of the at least one main contactor and a check of the latter by a timer and / or a counter.
  • Electromechanical safety relay is involved in the prevention or detection of a possible short circuit in one of the electronic semiconductor switch.
  • the second electronic solid-state switch breaks, too - which can be done more quickly due to possible overload peaks - does not specifically designed for this purpose Failsafe solution or do not use specially provided safety relay to open the safety circuit, but at least one existing anyway electromechanical Safety relay that would open the safety circuit as part of another safety function if there was an irregularity within this latter safety function.
  • the opening of the safety circuit can take place even in the event of the failure of the first semiconductor switch.
  • This - at least one - other, electromechanical safety relay of the first safety-related function of the elevator system is preferably provided for a so-called low-demand safety function, i. for a safety function, which is subject to a few switching processes, for example, switching only in emergencies outside of normal operation. (See Low and High Demand Mode Definition in paragraphs [003] - [005]).
  • such another safety relay may be, for example, a so-called ETSL relay circuit, where ETSL stands for Emergency Terminal Speed Limiting, ie for a speed-dependent emergency shaft end delay control.
  • ETSL Emergency Terminal Speed Limiting
  • Such ETSL relay circuits are known from the prior art.
  • This ETSL relay circuit is a so-called low-demand safety component used in the Normal operation is not needed. It occurs only very rarely in function, namely only if the elevator car should go beyond its normal range.
  • This ETSL relay circuit is electromechanical, that is, it has no semiconductors, but relay contacts and electromechanical safety relays and according to the invention is integrated in addition to its ancestral shaft end delay control function in the monitoring of the semiconductor switch.
  • These semiconductor switches are used according to the invention for a high-demand safety function, for example, for the bridging of the door contacts, but generally for a series connection of contacts that are closed in trouble-free normal operation, however, be opened under certain operating conditions and then bridged, so that the entire Safety circuit remains active.
  • the elements of the electromechanical relay circuit - or at least parts thereof - according to the invention are used, in the case of a short circuit of one or both semiconductor switches, to open the safety circuit.
  • the monitoring of the semiconductor switch is carried out according to the invention by means of a monitoring circuit which is processor-controlled. If the monitoring reveals that the semiconductor switches are short-circuited, the processor (s) according to the invention are able to open the safety circuit of the elevator installation, preferably via an otherwise existing electromechanical relay circuit, for example an ETSL relay circuit.
  • At least one processor is capable of controlling the semiconductor switches (for example for bridging the door contacts) and, at the same time, monitoring the semiconductor switches.
  • the at least one processor according to the invention is capable of simultaneously a detected due to the monitoring short circuit directly on this in turn connected in series relay contacts or directly to one or more electromechanical safety relay of the otherwise electromechanical relay circuit controlled.
  • the other relay circuit itself no longer own any processor and the above-mentioned at least one processor controls both the semiconductor switches, as well as their monitoring, as well as the traditional function of the electromechanical relay circuit.
  • the electromechanical relay circuit perceives the ETSL function of the elevator system, it means that the ETSL function no longer has its own or no own processors.
  • the at least one processor for the semiconductor switches and their monitoring also takes over the ETSL function. This requires only appropriate lines and the corresponding circuit with the now both safety-relevant functions exporting processor and results in a significant cost advantage.
  • controlling processor (s) of the electromechanical relay circuit it is also possible to continue to use the controlling processor (s) of the electromechanical relay circuit and to relay the controlling processor (s) of the semiconductor switch to open the safety circuit due to a short circuit of the semiconductor switches to the controlling processor (s) of the electromechanical relay circuit.
  • the bridging of the series connection of contacts can be an often switching high-demand function, for example the bridging of the door contacts, which takes place according to the invention with semiconductor switches.
  • semiconductor switches Despite this use of semiconductor switches, however, the same level of safety as with electromechanical safety relays is achieved by preferably using the ETSL safety relay (s) in case of failure (short circuit) to bridge the door contacts to reopen the safety circuit and avoid dangerous situations.
  • the two conventional electromechanical relays for bridging the door contacts are replaced, for example, by two MOSFETs.
  • the two MOSFETs are each provided with a processor or microprocessor and a monitoring circuit or test circuit is monitored by taking a voltage measurement at one input and one output of the MOSFET, separately for each channel. If one or both of the MOSFETs should be defective (which in most cases means short circuits for such switches), the respective processor will detect this condition and open the ETSL relay contact (s).
  • Another advantage is thus that even both MOSFETs can be defective at the same time; in this way, the device or the elevator system but still safe.
  • a display which provides information if a short circuit in one of the semiconductor switches is bypassed by one of the electromechanical safety relays or their contacts.
  • the MOSFETs are normally always closed when the doors are open. Accordingly, it is provided that the respective processor at a regular interval of a few seconds, the MOSFET opens briefly to check the voltage drop across the MOSFET, without the safety relay of the safety circuit drops and thus opens the corresponding relay contact of the safety circuit. According to the invention, this switch-off period is short enough to measure the voltage drop, but not so long as to allow the relay of the safety circuit to drop.
  • a person skilled in the art is free to implement the test just described not by means of the measurement of the voltage drop, but by means of a measurement of the current intensity, preferably inductive and non-contact.
  • the present invention thus presents a hybrid solution that combines the proven safety of electromechanical relays with the high reliability - in particular with regard to the number of switching cycles - of Transistors combined in a cost effective manner.
  • a bypass circuit thus preferably comprises semiconductor switches for frequently switching high-demand safety functions - such as the bridging of the door contacts - and a processor-controlled test circuit for these semiconductor switches, and preferably the integration of an electromechanical safety relay, normally responsible for another, rarely switching low-end Demand safety function, to bypass the semiconductor switches in case of a semiconductor short circuit and opening the safety circuit.
  • the safety circuit includes the usual features and switching arrangements, as they correspond to today's elevator systems - not least because of the applicable standards - and are familiar to a person skilled in the field of elevator installation.
  • Such features include, for example, the serial arrangement of all shaft door contacts, the serial arrangement of the car door contacts or the monitoring of the path of the elevator car with limit switches (KNE - contact emergency end), monitoring the speed of movement of the elevator car with sensors at the shaft end (ETSL), brake contacts, as well as at least one emergency stop switch.
  • the Fig. 1 shows an elevator system 100, for example in illustrated 2: 1 support means guide.
  • an elevator car 2 is movably arranged, which is connected via a support means 3 with a movable counterweight 4.
  • the support means 3 is driven during operation by means of a traction sheave 5 of a drive unit 6, which are arranged for example in the uppermost region of the elevator shaft 1 in a machine room 12.
  • the elevator car 2 and the counterweight 4 are guided by means of guide rails 7a, 7b and 7c extending over the shaft height.
  • the elevator car 2 can operate at a delivery height h a top floor with floor door 8, more floors with floor doors 9 and 10 and a bottom floor with floor door 11.
  • the elevator shaft 1 is formed by shaft side walls 15a and 15b, a shaft ceiling 13 and a shaft bottom 14 on which a shaft bottom buffer 19a for the counterweight 4 and two shaft bottom buffers 19b and 19c for the elevator car 2 are arranged.
  • the support means 3 is attached to a fixed attachment point or Tragstofffixtician 16 a to the shaft ceiling 13 and parallel to the shaft side wall 15a led to a support roller 17 for the counterweight 4. From here again via the traction sheave 5, to a first deflection or support roller 18a and a second deflection or support roller 18b, the elevator car 2 underschlingend, and to a second stationary attachment point or Tragstofffixtician 16b on the shaft ceiling 13th
  • a safety circuit 200 includes on each of the floors 8-11 a landing door contact 20a-20d, respectively, which are arranged in series in a hoistway door circuit 21.
  • the shaft door circuit 21 is fed to a PCB (Printed Circuit Board) 22, which is arranged, for example, in the machine room 12.
  • the PCB 22 is connected to the drive 6 or a drive brake 24 with only a symbolic connection 23, so that in case of error messages of the safety circuit 200, the drive of the drive unit 6 or the rotation of the traction sheave 5 can be stopped.
  • connection 23 is to be understood only symbolically, because in reality it is much more complicated and as a rule includes the elevator control. It also has a relay 40 of the safety circuit 200 and connection points 41a and 41b. Between the latter, a dual-channel end-of-shaft delay control function 42 is typically implemented to fulfill the security level SIL2 by serially arranging a first ETSL channel and a second ETSL channel in the security circuit 200.
  • the two ETSL channels are shown symbolically as switches 31a and 31b, but are switching relays with switching contacts.
  • the hoistway doors have a hoist door circuit 21 for controlling the opening of the hoistway doors, but also the hoistway 2 has a car door circuit 25 for controlling the opening of two indicated car sliding doors 27a and 27b.
  • This car door circuit 25 includes a car door contact 26. Signals from the car door circuit 25 are via Hanging cable 28 of the elevator car 2 passed to the PCB 22, where they are integrated in series with the shaft door contacts 20a-20d in the safety circuit 200.
  • the elevator installation 100 furthermore has a bridging circuit 29 for the shaft door contacts 20a-20d arranged in a series circuit 43 and also the car door contact 26 arranged serially.
  • the bridging circuit 29 comprises switching relays, whose switching contacts are arranged in parallel between two further connection locations 41c and 41d symbolically represented as switches 30a and 30b.
  • Fig. 1a is the safety circuit 200 of the elevator system 100 from the Fig. 1 shown separately, so that its connections and circuits are clearer.
  • the end-of-shaft delay control circuit 42 and the door contact bypass circuit 29 are independent of each other, they are only serially integrated into the safety circuit 200.
  • an inventive bridging circuit 29a for bridging the contacts 20a-20d and 26 of the Fig. 1 1a is configured, and how, on the other hand, an electromechanical relay circuit 42a between the connection points 41a and 41b of the safety circuit 200 from the Fig. 1 is arranged according to the invention; how the bridging circuit 29a and the electromechanical relay circuit 42a are connected to one another according to the invention and thus result in a safety circuit 200 according to the invention and an elevator installation 100 according to the invention.
  • the electromechanical relay circuit 42a preferably represents a relay circuit for performing a low-demand safety function of the elevator installation 100.
  • a microprocessor 34c is connected in accordance with a semiconductor switch or transistor 36a in a first circuit 300a.
  • the transistor 36a is exemplified as a MOSFET transistor, but other types of transistors are also suitable.
  • a monitoring circuit 37a is indicated, which is applied to an input 38a and an output 39a of the semiconductor switch 36a.
  • the processor 34c controls the periodic cycles of measurement of the voltage or current at the input 38a and the output 39a.
  • the connection point 38a may also represent the output of the semiconductor switch 36a and the connection point 39a may represent the input of the semiconductor switch 36a.
  • the bypass circuit 29a as shown in FIG Fig. 1 1a or 1a, all door contacts 20a-20d, 26 are fed serially via the connection points 41c and 41d, is designed for redundancy reasons or for the fulfillment of the SIL2 security level two channels.
  • the second channel comprises analogous to the first channel a circuit 300b, a semiconductor switch 36b, a monitoring circuit 37b for the semiconductor switch 36b, which is applied to an input 38b and an output 39b of the semiconductor switch 36b and is controlled by a microprocessor 34d.
  • the microprocessors 34c and 34d are interconnected for bidirectional signal exchange. It can also be provided more than two channels.
  • the microprocessor 34c is further connected to an electromechanical relay 35c, a changeover contact 32c and a resistor 33c of a first ETSL channel or, after omission of any ETSL processor, the elements of an electromechanical relay circuit 42a remaining therefrom.
  • the microprocessor 34d is in turn with a electromechanical relay 35d, a changeover contact 32d and a resistor 33d of a second ETSL channel. These two ETSL channels ensure the shaft end delay control function, which is thus accomplished on SIL2 security level, the necessary delay control circuit 42 between the connection points 41a and 41b of the safety circuit 200 from the Fig. 1 connected.
  • the well end delay control circuit 42 used for the tick according to the invention no longer has its own microprocessors because the control of the delay control circuit 42 is performed by the microprocessors 34c and 34d, in addition to the control of the bypass circuit 29a and in addition to the control of the monitoring circuits 37a and 37b.
  • a single microprocessor arrangement is also possible which controls both the two illustrated channels of the bypass circuit 29a as well as the two illustrated channels of the electromechanical relay circuit 42a and the delay control circuit 42.
  • the Fig. 2 schematically illustrates an exemplary arrangement of a parallel, two-channel bridging of series door contacts (both the shaft door 20a-20d, as well as the car door contact 26) of the elevator system 100a, or in general a possible inventive combined perception of a first safety-relevant function, preferably a low-demand safety function (for example the shaft end delay control ETSL) and a second safety-relevant function, preferably a high-demand safety function (for example, the bridging of the door contacts).
  • a first safety-relevant function preferably a low-demand safety function (for example the shaft end delay control ETSL)
  • ETSL shaft end delay control
  • a second safety-relevant function preferably a high-demand safety function (for example, the bridging of the door contacts).
  • the microprocessors 34c and / or 34d Upon a check of the semiconductor switches 36a and 36b by means of the monitoring circuits 37a and 37b, which results in a defect or a short circuit of one of the semiconductor switches 36a or 36b or both semiconductor switches 36a and 36b, the microprocessors 34c and / or 34d according to the invention in the situation to drive the conventional electromechanical safety relays 35c and 35d of the electromechanical relay circuit 42a for opening the safety circuit 200. This takes place in addition to the originally intended shaft end delay of the elevator car 2, which could originally exercise the electromechanical relay circuit 42a.
  • This originally intended safety function does not override due to the adopted opening function of the safety circuit 200, preferably because the microprocessors 34c and 34d both the shaft end delay control circuit of the elevator car 2 of the elevator installation 100, as well as the bridging circuit 29a with the semiconductor switches 36a and 36b also control the monitoring of the semiconductor switches 36a and 36b.
  • the bridging circuit 29a equipped with semiconductor switches 36a and 36b is not only suitable for often switching high-demand functions, but also for any low-demand functions, such as the KNE function, where KNE for contact emergency end, ie for a Wegbegrenzung the elevator car 2 by means of limit switches on their normal track is also out.
  • the bridging circuit 29a which according to the invention can be combined with an electromechanical relay circuit 42a as disclosed, is also used for example for the braking function or for the emergency evacuation.

Landscapes

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

Claims (10)

  1. Circuit de sécurité (200) dans une installation d'ascenseur (100), avec au moins un montage en série (43) de contacts de sécurité (20a-20d, 26) qui sont fermés lors d'un fonctionnement sans incident de l'installation d'ascenseur (100), étant précisé qu'au moins un contact (20a-20d, 26), dans des conditions de fonctionnement définies dans lesquelles ledit contact (20a-20d, 26) s'ouvre, est apte à être shunté à l'aide de commutateurs à semi-conducteur (36a, 36b), et que les commutateurs à semi-conducteur (36a, 36b) sont aptes à être commandés à l'aide d'au moins un processeur (34c, 34d) et sont aptes à être surveillés en termes de court-circuit à l'aide d'au moins un circuit de commutation de surveillance (37a, 37b), et avec au moins un circuit relais électromécanique (42a) avec des contacts relais (31c, 31d) qui sont montés en série avec les contacts (20a-20d, 26) du montage en série apte à être shunté (43), étant précisé que le circuit relais (42a) est apte à être commandé à l'aide du ou des processeurs (34c, 34d) et que le montage en série apte à être shunté (43) est apte à être coupé, en cas de court-circuit des commutateurs à semi-conducteur (36a, 36), à l'aide des contacts relais (31c, 31d).
  2. Circuit de sécurité (200) selon la revendication 1, caractérisé en ce que le ou les processeurs (34c, 34d) sont prévus, outre pour la commande et la surveillance des commutateurs à semi-conducteur (36a, 36b) et du circuit relais (42a), pour la commande d'un autre montage de contrôle de sécurité (42) qui coupe le montage en série (43) à l'aide du circuit relais (42a).
  3. Circuit de sécurité (200) selon l'une des revendications précédentes, caractérisé en ce que les commutateurs à semi-conducteur (36a, 36b) sont des transistors à semi-conducteurs à effet de champ à oxydes métalliques.
  4. Circuit de sécurité (200) selon l'une des revendications précédentes, caractérisé en ce que dans le circuit de surveillance (37a, 37b), la tension peut être mesurée à une entrée (38a, 38b) et à une sortie (39a, 39b) des commutateurs à semi-conducteur (36a, 36b).
  5. Circuit de sécurité (200) selon l'une quelconque des revendications 1 à 3 précédentes, caractérisé en ce que dans le circuit de surveillance (37a, 37b), l'intensité du courant peut être mesurée à l'entrée (38a, 38b) et à la sortie (39a, 39b) des commutateurs à semi-conducteur (36a, 36b).
  6. Circuit de sécurité (200) selon l'une des revendications précédentes, caractérisé en ce que dans l'installation d'ascenseur (100), un affichage indique le contournement d'un court-circuit dans l'un des commutateurs à semi-conducteur (36a, 36b) par l'intermédiaire de l'un des contacts relais (31c, 31d).
  7. Installation d'ascenseur (100) avec au moins un circuit de sécurité (200) selon l'une des revendications 1 à 6 précédentes.
  8. Procédé pour surveiller des commutateurs à semi-conducteur (36a, 36b) d'une installation d'ascenseur (100) selon la revendication 7, avec les étapes suivantes :
    a) mesure périodique de la tension ou de l'intensité de courant à l'entrée (38a, 38b) et à la sortie (39a, 39b) des commutateurs à semi-conducteur (36a, 36b) ;
    b) ouverture du montage en série (43) du circuit de sécurité (200) à l'aide d'au moins un contact relais (31c, 31d) au cas où la mesure réalisée lors de l'étape a) a donné comme résultat un court-circuit.
  9. Utilisation de commutateurs à semi-conducteur (36a, 36b) pour shunter des contacts de sécurité (20a-20d, 26) d'un montage en série (43) de l'installation d'ascenseur (100), étant précisé que dans le cas d'un court-circuit des commutateurs à semi-conducteur (36a, 36b), le montage en série apte à être shunté (43) est apte à être coupé à l'aide d'un circuit relais électromécanique (42a) avec des contacts relais (31c, 31d).
  10. Utilisation selon la revendication 9, caractérisée en ce que le circuit relais (42a) est également utilisable, outre pour le cas d'un court-circuit des commutateurs à semi-conducteur (36a, 36b), pour un autre montage de contrôle (42), et en cas d'états de fonctionnement non autorisés de l'installation d'ascenseur (1), le montage en série apte à être shunté (43) est apte à être coupé à l'aide des contacts relais (31c, 31d) du circuit relais (42a).
EP10771084.0A 2009-10-26 2010-10-20 Circuit de sécurité dans une installation d'ascenseur Active EP2493802B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10771084.0A EP2493802B1 (fr) 2009-10-26 2010-10-20 Circuit de sécurité dans une installation d'ascenseur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09174017 2009-10-26
EP10771084.0A EP2493802B1 (fr) 2009-10-26 2010-10-20 Circuit de sécurité dans une installation d'ascenseur
PCT/EP2010/065823 WO2011054674A1 (fr) 2009-10-26 2010-10-20 Circuit de sécurité dans un système d'ascenseur

Publications (2)

Publication Number Publication Date
EP2493802A1 EP2493802A1 (fr) 2012-09-05
EP2493802B1 true EP2493802B1 (fr) 2014-04-02

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US (1) US9061863B2 (fr)
EP (1) EP2493802B1 (fr)
JP (1) JP5755233B2 (fr)
KR (1) KR101666251B1 (fr)
CN (1) CN102596780B (fr)
AU (1) AU2010314253B2 (fr)
BR (1) BR112012009140A2 (fr)
CA (1) CA2775635C (fr)
ES (1) ES2477564T3 (fr)
MX (1) MX340867B (fr)
MY (1) MY166790A (fr)
NZ (1) NZ599051A (fr)
PH (1) PH12012500716A1 (fr)
RU (1) RU2543476C2 (fr)
WO (1) WO2011054674A1 (fr)

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CN102036898B (zh) * 2008-06-27 2013-05-01 三菱电机株式会社 电梯装置及其运转方法
US9422135B2 (en) * 2011-04-15 2016-08-23 Otis Elevator Company Elevator drive power supply control
ES2563156T3 (es) * 2011-09-29 2016-03-11 Inventio Ag Dispositivo y procedimiento para vigilar las puertas de un hueco de ascensor
CN103842277B (zh) * 2011-10-06 2016-04-13 奥的斯电梯公司 电梯制动控制
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EP2493802A1 (fr) 2012-09-05
CA2775635C (fr) 2017-09-12
RU2543476C2 (ru) 2015-02-27
PH12012500716A1 (en) 2016-08-19
ES2477564T3 (es) 2014-07-17
MY166790A (en) 2018-07-23
CA2775635A1 (fr) 2011-05-12
AU2010314253B2 (en) 2016-08-04
AU2010314253A1 (en) 2012-05-17
JP2013508245A (ja) 2013-03-07
MX2012003015A (es) 2012-04-19
BR112012009140A2 (pt) 2016-08-30
RU2012121879A (ru) 2013-12-10
US20120186914A1 (en) 2012-07-26
CN102596780A (zh) 2012-07-18
CN102596780B (zh) 2014-08-06
MX340867B (es) 2016-07-28
HK1171003A1 (en) 2013-03-15
NZ599051A (en) 2014-02-28
JP5755233B2 (ja) 2015-07-29
US9061863B2 (en) 2015-06-23
KR101666251B1 (ko) 2016-10-13
KR20120092116A (ko) 2012-08-20
WO2011054674A1 (fr) 2011-05-12

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