EP1905717B1 - Procédé de fonctionnement d'une installation d'ascenseur, installation d'ascenseur pouvant fonctionner à l'aide de ce dispositif et dispositif de sécurité pour cette installation d'ascenseur - Google Patents

Procédé de fonctionnement d'une installation d'ascenseur, installation d'ascenseur pouvant fonctionner à l'aide de ce dispositif et dispositif de sécurité pour cette installation d'ascenseur Download PDF

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Publication number
EP1905717B1
EP1905717B1 EP07115822.4A EP07115822A EP1905717B1 EP 1905717 B1 EP1905717 B1 EP 1905717B1 EP 07115822 A EP07115822 A EP 07115822A EP 1905717 B1 EP1905717 B1 EP 1905717B1
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EP
European Patent Office
Prior art keywords
switching mechanism
lift
weight
electromechanical switching
lever element
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Not-in-force
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EP07115822.4A
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German (de)
English (en)
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EP1905717A1 (fr
Inventor
Hans Kocher
Georges Gisler
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Inventio AG
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Inventio AG
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Priority to EP07115822.4A priority Critical patent/EP1905717B1/fr
Publication of EP1905717A1 publication Critical patent/EP1905717A1/fr
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Publication of EP1905717B1 publication Critical patent/EP1905717B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric
    • B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
    • B66B1/18—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements with means for storing pulses controlling the movements of several cars or cages
    • 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
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions

Definitions

  • the invention relates to a method for operating an elevator installation, in particular for a multi-vehicle elevator installation with several elevator cars in a shaft.
  • the invention relates to a corresponding, operable with this method elevator system and a safety device for this elevator system to prevent collisions between these elevator cars.
  • the elevator cars are equipped in such multi-vehicle elevator systems each with its own drive and its own braking system.
  • the electronic control of the entire elevator system is often designed so that there should be no collisions of the individual elevator cars. Particularly in the case of an emergency stop or even in the case of a normal floor stop of a cabin, it can not be guaranteed under all circumstances that a further elevator car situated above or below the same elevator shaft can still stop in time to avoid a collision. This could be avoided by giving the controller sufficient distances between the individual elevator cars and also adapted vertical speeds. Such a requirement, however, can not fully utilize the transport capacity of a multi-vehicle elevator installation, which has an impact on the cost-benefit efficiency.
  • an object of the present invention a multi-vehicle elevator system ready to stellers, where at an approach of elevator cars, the cars are stopped automatically before driving without a complex exchange of information between the elevator cars is necessary.
  • the inventive method for operating an elevator installation comprises at least one upper elevator car and at least one lower elevator car, both of which are substantially independently vertically movable in a common elevator shaft of the elevator system, a first electro-mechanical switching mechanism which is arranged in a lower region of the upper elevator car wherein the first electro-mechanical switching mechanism comprises a weight attached to an elongate strand by the weight of the weight attached to the strand the first electro-mechanical switching mechanism is held in a driving position.
  • a second electro-mechanical switching mechanism is disposed in an upper region of the lower elevator car vertically below the weight attached to the strand, wherein upon unwanted approach of the two elevator cars, the weight impinges on the second electro-mechanical switching mechanism.
  • a safety circuit of the lower elevator car is opened by means of the second electro-mechanical switching mechanism.
  • a safety circuit of the upper elevator car is opened by means of the first electro-mechanical switching mechanism.
  • the first electro-mechanical switching mechanism comprises a lever element, a force accumulator and a switch, the strand being fastened to the lever element in such a way that the weight element of the weight fastened to the strand holds the lever element in the driving position.
  • the energy storage device is connected to the lever element in such a way that when the weight force is released, the lever element is transferred from the driving position into an emergency position and the switch is actuated and the safety circuit is opened.
  • the second electro-mechanical switching mechanism comprises a lever element, a force accumulator and a switch, wherein the energy accumulator is so in communication with the lever element, that the lever element is held in a driving position.
  • the energy accumulator is so in communication with the lever element, that the lever element is held in a driving position.
  • the second electro-mechanical switching mechanism comprises a collecting element, which is designed so that the weight impinges on the lever element of the second electro-mechanical switching mechanism even with slight vibrations when approaching the elevator cars.
  • an elevator system can be operated, which comprises a drive and a holding brake per elevator car and wherein the opening of the safety circuits both stops the drives of the two elevator cars and triggers the holding brakes of the two elevator cars.
  • the first electro-mechanical switching mechanism and the second electro-mechanical switching mechanism form an electro-mechanical safety system in the elevator installation to prevent the collision of the two elevator cars.
  • a safety device is part of the elevator system that can be operated by the inventive method.
  • This safety device comprises a first and second electro-mechanical switching mechanism.
  • An advantage of the present invention is the simplicity and reliability of the solution.
  • the switching mechanism is inexpensive to produce with standard elements.
  • the safety circuit of a car is opened independently of communication between the elevator cars and the safety device. Thanks to the simple design and the autonomous functionality, the safety device is not susceptible to interference.
  • the solution described during commissioning is easy to initialize, since only a few systems need to be coordinated.
  • the safety device is in communication with a control unit of the elevator installation. Because when an impact of the weight at the same time the triggering mechanisms of the upper and the lower elevator car are operated. Thus, the control unit has a redundant information of an undesirable approach of the elevator cars and can make appropriate reactions such as the triggering of a safety brake or holding brake. These Redundant design of the safety device increases the safety of the elevator system.
  • a first embodiment of the invention is in connection with the Fig. 1 described. Shown is a simple multi-vehicle elevator installation 10 with an upper elevator car A1 of a third elevator car, not shown, and a lower elevator car A2 of a third elevator car, not shown, both of which are substantially independently vertically movable in a common elevator shaft 11 of the elevator installation 10.
  • the elevator cars A1, A2 can be provided with their own drives, or, for example, can be individually coupled to a central drive system in order to allow individual movement in the elevator shaft 11.
  • a safety device 20 which comprises a first electro-mechanical switching mechanism 21 and a second electro-mechanical switching mechanism 22.
  • the first electro-mechanical switching mechanism 21 is, as indicated schematically, in a lower portion of the upper elevator car A1, e.g. in the ground area, attached.
  • the first electro-mechanical switching mechanism 21 comprises a weight 23 fixed to an elongate strand 24, which holds the first electro-mechanical switching mechanism 21 in a so-called driving position (normal position) by the weight G of the weight 23 attached to the strand 24.
  • the second electro-mechanical switching mechanism 22 is arranged vertically in an upper region of the lower elevator car A2 below the weight 23 attached to the runner 24 and secured so that in an undesirable approach of the two elevator cars A1 and A2, the weight 23 to the second electro-mechanical Switching mechanism 22 impinges.
  • the two switching mechanisms 21 and 22 are designed and arranged so that by the impact of the weight 23 by means of the second electro-mechanical switching mechanism 22, a safety circuit of the lower elevator car A2 is opened automatically, and that almost at the same time by a decrease in the weight G and the associated reduction of the tension on the strand 24 by means of the first electro-mechanical switching mechanism 21 opens a safety circuit of the upper elevator car A1.
  • a multi-mobile elevator installation 10 preferably has one own safety circuit per elevator car A1, A2, in which several safety elements, such as safety contacts and switches, are arranged in a series connection.
  • the corresponding elevator car A1 or A2 can only be moved if the safety circuit and thus also all safety contacts integrated in it are closed.
  • the safety circuit is connected to the drive or the brake unit of the elevator system 10 in order to interrupt the driving operation of the corresponding elevator car A1 or A2, if the safety circuit for Example is opened by the actuation of the electro-mechanical switching mechanism.
  • a shutdown of the two drives and a triggering of the holding brakes of the two elevator cars A1 and A2 is effected via the opening of the respective safety circuits.
  • the invention can also be used in elevator systems 10, which are equipped with a safety bus system instead of the mentioned safety circuit.
  • the described safety device 20 is a purely electro-mechanical system which does not require any information exchange between the elevator cars and also no intervention (except for integration into the safety circuits or safety bus systems of the elevator cars involved) in the elevator control. That is, the safety device 20 operates completely self-sufficient and therefore also works in those cases where there is interference in the controller.
  • a second embodiment Details of a second embodiment are related to Fig. 2 explained, wherein the same and similar, or equivalent components are provided in all figures with the same reference numerals. Also in the second embodiment, two switching mechanisms 21 and 22 are used, which are designed and arranged so that the collision of the weight 23 by means of the second electro-mechanical switching mechanism 22, the safety circuit of the lower elevator car A2 is opened automatically, and that almost at the same time by a decrease in the weight G by means of the first electro-mechanical switching mechanism 21, the safety circuit of the upper elevator car A1 opens.
  • the first electro-mechanical switching mechanism 21 comprises an elongate lever element 25, a force accumulator 30 and a switch 26.
  • the strand 24, for example a cable or cable, is fastened to the lever element 25 in such a way that the weight force G of the attached to the strand 24 weight 23, the lever member 25 is held in the driving position.
  • energy storage 30 an element is used, which is so in connection with the lever member 25, that upon release of the weight G, the lever member 25 is automatically transferred from the driving position in an emergency position while the switch 26 is actuated.
  • a force storage 30 is a spring-based mechanism, which in the case of in Fig.
  • the energy accumulator 30 must apply sufficient force in each case in order to set the lever element 25 in motion and to trigger the switch 26 as soon as the tension on the strand 24 drops significantly.
  • a switch 26 an element is preferably used, which is mechanically directly or indirectly connected to the lever member 25 in connection and which is triggered when the lever member 25 rotates a distance in a clockwise direction about the pivot axis 32.
  • Fig. 2 an embodiment of the switch 26 is shown which comprises a short lever with an end roller 33. When pivoting the lever member 26 moves the short lever and the switch 26 is actuated.
  • the second electro-mechanical switching mechanism 22 also includes a lever element 28, a force accumulator 31 and a switch 29.
  • the energy accumulator 31 is connected to the lever member 28 in connection that the lever member 28 is held in a driving position.
  • this is transferred from the driving position to an emergency position while the switch 29 is actuated.
  • the switch 26 is opened.
  • the second electro-mechanical switching mechanism 22 comprises a collecting element 27, which is designed so that the weight 23 impinges on the lever element 28 of the second electro-mechanical switching mechanism 22, even in the case of slight oscillations when the elevator cars A1, A2 approach.
  • a funnel serves as a catch element 27.
  • this element 27 is optional.
  • a switch 29 an element is preferably used, which is mechanically directly or indirectly in communication with the lever member 28 and which is triggered when the lever member 28 rotates a distance counterclockwise about a pivot axis.
  • Fig. 2 an embodiment of the switch 29 is shown which comprises a short lever with an end roller 34. Upon pivoting of the lever member 28, the short lever moves and the switch 29 is operated.
  • a simple, safe and robust electro-mechanical pre-shutdown can be realized in order to prevent the elevator cars from being driven up.
  • the described safety devices 20 is automatically an emergency stop when falling below a minimum distance S (see Fig. 1 ).
  • Fig. 1 the normal state is shown where both elevator cars A1 and A2 are at a sufficient distance from each other. If now the elevator cars A1 and A2 would continue to approach, with the distance R reduced to zero, the weight 23 hits the second electro-mechanical switching mechanism 22 and triggers the instantaneous stopping of the lower elevator car A2 via the switch 29. Almost at the same time, the upper lever element 25 strikes upward and the immediate stopping of the upper elevator car A1 is triggered via the switch 26.
  • a corresponding safety device 20 can also be provided between these elevator cars.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Control (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)

Claims (9)

  1. Procédé de fonctionnement d'une installation d'ascenseur (10)
    - comprenant au moins une cabine d'ascenseur supérieure (A1) et au moins une cabine d'ascenseur inférieure (A2), qui peuvent toutes les deux être déplacées essentiellement indépendamment verticalement dans une gaine d'ascenseur commune (11) de l'installation d'ascenseur (10),
    - comprenant un premier mécanisme de commutation électromécanique (21) qui est disposé dans une région inférieure de la cabine d'ascenseur supérieure (A1), le premier mécanisme de commutation électromécanique (21) comprenant un poids (23) fixé au niveau d'un tronçon longitudinal (24), dont la force pondérale (G) du poids (23) fixé au tronçon (24) maintient le premier mécanisme de commutation électromécanique (21) dans une position de transport,
    - comprenant un deuxième mécanisme de commutation électromécanique (22), qui est disposé dans une région supérieure de la cabine d'ascenseur inférieure (A2) verticalement en dessous du poids (23) fixé au tronçon (24),
    - le poids (23), dans le cas d'un rapprochement indésirable des deux cabines d'ascenseur (A1, A2), venant en contact avec le deuxième mécanisme de commutation électromécanique (22),
    - du fait du contact, au moyen du deuxième mécanisme de commutation électromécanique (22), un circuit de sécurité de la cabine d'ascenseur inférieure (A2) étant ouvert,
    - et par un relâchement de la force pondérale (G) au moyen du premier mécanisme de commutation électromécanique (21), un circuit de sécurité de la cabine d'ascenseur supérieure (A1) étant ouvert.
  2. Procédé selon la revendication 1, caractérisé en ce que le premier mécanisme de commutation électromécanique (21) comprend un élément de levier (25), un accumulateur de force (30) et un commutateur (26), le tronçon (24) étant fixé à l'élément de levier (25) de telle sorte que par la force pondérale (G) du poids (23) fixé au tronçon (24), l'élément de levier (25) soit maintenu dans la position de transport et l'accumulateur de force (30) étant en liaison avec l'élément de levier (25) de telle sorte qu'en cas de relâchement de la force pondérale (G), l'élément de levier (25) soit transféré de la position de transport dans une position de secours, et que le commutateur (26) soit ainsi actionné et que le circuit de sécurité soit ouvert.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le deuxième mécanisme de commutation électromécanique (22) comprend un élément de levier (28), un accumulateur de force (31) et un commutateur (29), l'accumulateur de force (31) étant en liaison avec l'élément de levier (28) de telle sorte que l'élément de levier (28) soit maintenu dans une position de transport et, lors du contact du poids (23) avec l'élément de levier (28), le deuxième mécanisme de commutation électromécanique (22) étant transféré de la position de transport dans une position de secours et le commutateur (29) étant ainsi actionné et le circuit de sécurité étant ouvert.
  4. Procédé selon la revendication 3, caractérisé en ce que le deuxième mécanisme de commutation électromécanique (22) comprend un élément de captage (27) qui est conçu de telle sorte que le poids (23) vienne en contact avec l'élément de levier (28) du deuxième mécanisme de commutation électromécanique (22) même en cas de légères oscillations lors du rapprochement des cabines d'ascenseur (A1, A2).
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'installation d'ascenseur (10) comprend, pour chaque cabine d'ascenseur (A1, A2), un entraînement et un frein de retenue, et par l'ouverture des circuits de sécurité, les entraînements des deux cabines d'ascenseur (A1, A2) étant arrêtés et les freins de retenue des deux cabines d'ascenseur (A1, A2) étant enclenchés.
  6. Installation d'ascenseur (10) comprenant un dispositif de sécurité (20) pouvant fonctionner selon le procédé selon l'une quelconque des revendications précédentes,
    - comprenant au moins une cabine d'ascenseur supérieure (A1) et au moins une cabine d'ascenseur inférieure (A2), qui peuvent être déplacées essentiellement indépendamment verticalement dans une gaine d'ascenseur commune (11) de l'installation d'ascenseur (10),
    - comprenant un premier mécanisme de commutation électromécanique (21) qui est disposé dans une région inférieure de la cabine d'ascenseur supérieure (A1), le premier mécanisme de commutation électromécanique (21) comprenant un poids (23) suspendu, la force pondérale (G) du poids (23) maintenant le premier mécanisme de commutation électromécanique (21) dans une position de transport,
    - comprenant un deuxième mécanisme de commutation électromécanique (22), qui est disposé dans une région supérieure de la cabine d'ascenseur inférieure (A2) verticalement en dessous du poids (23), et
    - comprenant un entraînement respectif et un frein de retenue respectif pour chaque cabine d'ascenseur (A1, A2),
    - le poids (23), dans le cas d'un rapprochement indésirable des deux cabines d'ascenseur (A1, A2), venant en contact avec le deuxième mécanisme de commutation électromécanique (22), et provoquant une coupure des deux entraînements et un enclenchement des freins de retenue des deux cabines d'ascenseur (A1, A2).
  7. Installation d'ascenseur (10) selon la revendication 6, caractérisée en ce que le contact du poids (23) avec le deuxième mécanisme de commutation électromécanique ouvre un circuit de sécurité de la cabine d'ascenseur inférieure (A2) au moyen du deuxième mécanisme de commutation électromécanique (22) et le relâchement de la force pondérale (G) ouvre un circuit de sécurité de la cabine d'ascenseur supérieure (A1) au moyen du premier mécanisme de commutation électromécanique (21), l'ouverture des circuits de sécurité arrêtant les entraînements des deux cabines d'ascenseur (A1, A2) et enclenchant les freins de retenue des deux cabines d'ascenseur (A1, A2).
  8. Installation d'ascenseur (10) selon l'une quelconque des revendications 6 ou 7, caractérisée en ce que le premier mécanisme de commutation électromécanique (21) et le deuxième mécanisme de commutation électromécanique (22) forment un système de sécurité électromécanique pour empêcher la collision des deux cabines d'ascenseur (A1, A2).
  9. Installation d'ascenseur (10) selon l'une quelconque des revendications 6 à 8, caractérisée en ce que le deuxième mécanisme de commutation électromécanique (22) comprend un élément de captage (27) qui est conçu de telle sorte que le poids (23) vienne en contact avec l'élément de levier (28) du deuxième mécanisme de commutation électromécanique (22) même en cas de légères oscillations lors du rapprochement des cabines d'ascenseur (A1, A2).
EP07115822.4A 2006-09-08 2007-09-06 Procédé de fonctionnement d'une installation d'ascenseur, installation d'ascenseur pouvant fonctionner à l'aide de ce dispositif et dispositif de sécurité pour cette installation d'ascenseur Not-in-force EP1905717B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07115822.4A EP1905717B1 (fr) 2006-09-08 2007-09-06 Procédé de fonctionnement d'une installation d'ascenseur, installation d'ascenseur pouvant fonctionner à l'aide de ce dispositif et dispositif de sécurité pour cette installation d'ascenseur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06120359 2006-09-08
EP07115822.4A EP1905717B1 (fr) 2006-09-08 2007-09-06 Procédé de fonctionnement d'une installation d'ascenseur, installation d'ascenseur pouvant fonctionner à l'aide de ce dispositif et dispositif de sécurité pour cette installation d'ascenseur

Publications (2)

Publication Number Publication Date
EP1905717A1 EP1905717A1 (fr) 2008-04-02
EP1905717B1 true EP1905717B1 (fr) 2014-06-04

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Country Status (17)

Country Link
US (1) US7779967B2 (fr)
EP (1) EP1905717B1 (fr)
JP (1) JP5147106B2 (fr)
KR (1) KR20080023181A (fr)
CN (1) CN100595120C (fr)
AR (1) AR062714A1 (fr)
AU (1) AU2007216677B8 (fr)
BR (1) BRPI0705798A (fr)
CA (1) CA2600955A1 (fr)
EG (1) EG24538A (fr)
MX (1) MX2007010365A (fr)
MY (1) MY146205A (fr)
NZ (1) NZ560838A (fr)
RU (1) RU2438959C2 (fr)
SG (1) SG141341A1 (fr)
TW (1) TWI383944B (fr)
ZA (1) ZA200707601B (fr)

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DE502005000701D1 (de) * 2005-03-05 2007-06-21 Thyssenkrupp Aufzugswerke Gmbh Aufzuganlage
WO2006097139A1 (fr) * 2005-03-12 2006-09-21 Thyssenkrupp Aufzugswerke Gmbh Ascenseur
KR101146411B1 (ko) * 2005-10-25 2012-05-17 오티스 엘리베이터 컴파니 다수의 카 승강기 안전 시스템 및 방법
EP1894874A1 (fr) * 2006-08-31 2008-03-05 Inventio Ag Dispositif de sécurité pour ascenseur

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RU2007133500A (ru) 2009-03-20
JP2008063145A (ja) 2008-03-21
KR20080023181A (ko) 2008-03-12
CN100595120C (zh) 2010-03-24
AU2007216677B8 (en) 2013-02-14
MY146205A (en) 2012-07-31
US7779967B2 (en) 2010-08-24
JP5147106B2 (ja) 2013-02-20
CA2600955A1 (fr) 2008-03-08
RU2438959C2 (ru) 2012-01-10
AU2007216677A1 (en) 2008-04-03
TWI383944B (zh) 2013-02-01
CN101139058A (zh) 2008-03-12
MX2007010365A (es) 2009-01-30
US20080067014A1 (en) 2008-03-20
ZA200707601B (en) 2008-09-25
EG24538A (en) 2009-09-03
BRPI0705798A (pt) 2008-07-22
AR062714A1 (es) 2008-11-26
EP1905717A1 (fr) 2008-04-02
NZ560838A (en) 2009-03-31
TW200821252A (en) 2008-05-16
AU2007216677B2 (en) 2012-12-20
SG141341A1 (en) 2008-04-28

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