EP3328769B1 - Systeme de verrouillage de portes de cabine - Google Patents

Systeme de verrouillage de portes de cabine Download PDF

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Publication number
EP3328769B1
EP3328769B1 EP16738804.0A EP16738804A EP3328769B1 EP 3328769 B1 EP3328769 B1 EP 3328769B1 EP 16738804 A EP16738804 A EP 16738804A EP 3328769 B1 EP3328769 B1 EP 3328769B1
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EP
European Patent Office
Prior art keywords
lift
locking
cabin
control device
locking system
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EP16738804.0A
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German (de)
English (en)
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EP3328769A1 (fr
Inventor
Eric Birrer
Nicolas Gremaud
Michael Geisshüsler
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Inventio AG
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Inventio AG
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    • 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
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • B66B13/165—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position electrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3492—Position or motion detectors or driving means for the detector
    • 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
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/143—Control systems or devices electrical

Definitions

  • the invention relates to a locking system for locking a car door of an elevator car of an elevator installation, in which elevator installation the elevator car can be moved along an elevator track with stops and associated stop zones.
  • the car door can be opened and closed by means of a door drive and can be locked or unlocked in its closed position by means of a controllable locking mechanism, with the locking mechanism of the locking system only being able to be brought into the unlocking position if at least the condition is met that the elevator car is in the area of a stop zone .
  • the invention relates to an elevator system with such a locking system.
  • Known elevators have a locking device for the car door, which locks the car doors when the elevator car is in motion.
  • Stationary magnets are provided in the elevator shaft in the area of the floors, which indicate when a stop zone has been reached and can be detected by a suitable sensor system arranged on the elevator car.
  • the control device activates the locking device if the control device intends to stop at the corresponding stop.
  • the locking device is brought into an open position and the car doors can be opened by the door drive.
  • Such a control device with bus stop zone sensors is from U.S. 8,960,372 B2 famous.
  • the attachment of the magnets in the elevator shaft is associated with a very high material and assembly effort, especially in tall buildings.
  • a locking system for locking a car door of an elevator car according to the preamble of claim 1 is in document WO2005/102900A1 disclosed.
  • the object of the present invention is to reduce the outlay on materials and assembly.
  • the elevator car can be moved along an elevator track with stops and associated stop zones.
  • the locking system comprises a locking mechanism that can be brought into a locking position and into an unlocking position, with the cabin door being blocked in its closed position in the locking position of the locking mechanism and being openable in the unlocking position of the locking mechanism, an actuator by which the locking mechanism can either be moved to its locking position or can be brought into its unlocked position, and a control device which causes the actuator to bring the locking mechanism into its unlocked position if at least the condition is met that the elevator car is in the area of a stop zone.
  • the locking system is characterized in that the elevator system includes a position detection device that continuously detects a position of the elevator car in relation to the elevator track and transmits the position to the control device, and the control device continuously detects whether the condition is met that the elevator car is in the area a stop zone by comparing the position of the elevator car transmitted by the position detection device with stored position limit values of the stop zones.
  • the floor zones are detected by comparing programmed floor zone limit values with measured car position values. If a stop zone is determined during the comparison, the control device activates the locking device.
  • magnets that indicate the bus stop zones can be omitted in an advantageous manner, which reduces the material and assembly costs, especially in tall buildings.
  • the same position detection device is used to detect the position of the elevator car, which is also used to detect the position of the elevator car as an input for a travel controller of the elevator car.
  • the position detection device develops a particularly efficient mode of operation, since the signals made available by the position detection device can be used multiple times.
  • the position limit values of the stop zones can preferably be set or changed by means of a programming device. This results in a particularly user-friendly handling of the locking system. For example, the time at which the door opens can also be reprogrammed at a later point in time without the need for costly adjustments to the hardware, in particular repositioning the magnets at the bus stop zones. In this case, for example, an adaptation of travel parameters, such as the speed at which the elevator car enters a stop zone, could be taken into account in a simple manner as part of a modernization of the elevator system.
  • the position detection device includes a measuring tape with a coding that extends over the entire length of the elevator track, and a detector that is attached to the elevator car and that detects the coding of the measuring tape. This results in the possibility of continuously determining the position of the elevator car.
  • position detection devices can also be used, which can differ in their mode of operation.
  • laser position measuring devices ultrasonic position measuring devices, optical position detection devices, and position detection devices that are based on discrete measurement methods can be used.
  • the coding of the measuring tape is preferably designed in such a way that absolute values of the position of the elevator car can be detected by the detector or by the control device.
  • An absolute value is understood to be a value derived from a code, which is unique in the entire area of the elevator track and which enables a position of the elevator car to be determined directly and unambiguously.
  • the coding of the measuring tape is designed as so-called Manchester coding, in which the absolute position of the detector and thus of the elevator car can be derived from the simultaneous detection of several consecutive code marks, each with one of two detectable different properties. This creates the possibility of a position of the elevator car can be read off the measuring tape particularly reliably and robustly.
  • a measuring tape coded in this way is used in particular in the area of fast-moving elevator cars.
  • the invention is not dependent on the use of a single type of coding. Of course, deviating from this, other types of coding, such as binary coding, can also be used.
  • the measuring tape is preferably a steel tape which has a coding in the form of magnetic code marks which are formed by zones of the steel tape which are magnetized as the north pole or south pole.
  • the advantage of designing the measuring tape as a steel tape is that it can be reliably and easily tensioned along the elevator track.
  • the actuator by which the locking mechanism can be brought either into its locking position or into its unlocking position, preferably comprises an electrically controllable lifting magnet.
  • the lifting magnet is designed as a bistable lifting magnet.
  • the control device preferably causes the actuator to bring the locking mechanism into its unlocking position if at least the additional condition is met that the elevator car is scheduled to stop at the next stop in the direction of travel.
  • This additional condition ensures that the locking system does not cause the actuator to be brought into its unlocked position when the elevator car is simply driving through a stop or assigned stop zone. The cabin door thus remains reliably locked even when the vehicle is driven past.
  • the control device preferably causes the actuator to bring the locking mechanism into its unlocked position if at least the additional condition is met that the travel speed of the elevator car has reduced to a defined maximum value.
  • the defined maximum value represents a speed value that is lower than the nominal speed of the elevator car Normal operation and which clearly indicates an intentional stop at a stop.
  • the control device preferably causes the actuator to bring the locking mechanism into its locking position when at least the conditions are met that a travel command is pending for the elevator car and that the car door is closed. This prevents the elevator car from continuing to travel when the elevator cars are open and ensures the safety of the elevator installation.
  • the control device is preferably designed in such a way that when defined safety conditions are present, the unlocking position of the locking mechanism can be brought about by a person by means of at least one unlocking switch from at least one point in the elevator system.
  • safety conditions exist, for example, during the evacuation of passengers locked in the elevator car when an authorized person puts the elevator installation into an evacuation mode. The authorized person can unlock the car door easily and safely and free the trapped passengers from the elevator car.
  • At least one emergency power supply in the elevator system which ensures that, in the event of a power failure, the locking mechanism can be brought into its unlocked position by the elevator controller or by means of the at least one unlocking switch. This ensures that passengers do not remain trapped in the elevator car in the event of a power failure.
  • FIG 1 shows an elevator system 10, which has an elevator car 11, which can be moved in a non-illustrated elevator shaft in the vertical direction along an elevator track.
  • the elevator system 10 has, for example, car guide rails (not shown here), along which the elevator car 11 is guided, and a suspension element from which the elevator car 11 is suspended.
  • the elevator installation 10 includes a drive which is in operative connection with the suspension element and a counterweight which at least partially compensates for the weight of the elevator car 11 via the suspension element. Both the drive and the counterweight are not shown here.
  • the elevator car 11 has a car door, which here includes two door leaves 12a, 12b, which can be moved by means of a door drive 13.
  • the door drive 13 is equipped with a drive means 14 which is designed, for example, as a V-belt.
  • the drive means 14 runs around a drive roller of the door drive 13 and a deflection roller 23, with the drive means 14 forming a closed loop with a first run 14.1 and a second run 14.2, which are each delimited by the drive roller and the deflection roller 23.
  • the first door panel 12a and the second door panel 12b are each connected to the first run 14.1 and to the second run 14.2, so that a rotational movement of the traction roller of the door drive 13 converts the first door panel 12a and the second door panel 12b into an opening or closing movement in opposite directions the drive means 14 converts.
  • a position detection unit 27 is arranged in the elevator shaft and is used to detect a car position.
  • the position detection device 27 shown here includes a measuring tape 19 which extends along the elevator track, a detector which is arranged on the elevator car 11 and is aligned with the measuring tape 19 for detecting the coding.
  • the position detection device 27 includes an evaluation unit 21, which converts the detected coding into a position.
  • the measuring tape 19 is preferably designed as a steel tape.
  • the measuring tape 19 represents a carrier of a so-called Manchester coding, the Manchester coding resulting from a pseudo-sequence of as North pole or south pole magnetized code marks results.
  • the detector 20 is preferably designed as a Hall sensor that is suitable for detecting the magnetic code marks.
  • the detected code marks are finally transmitted to the evaluation unit 21, which uses them to calculate a position.
  • a position detection unit based on Manchester coding is, for example, in WO 03/011733 A1 described.
  • a locking mechanism 28 is provided above the first door panel 12a, which includes a locking bar 15, a pivot bearing 18 and a locking cam 17.
  • the latch 15 which is L-shaped here, is pivotably mounted on the pivot bearing 18 .
  • the locking cam 17 is arranged on the first door panel 12a.
  • the locking mechanism 28 is connected to an actuator 16 .
  • the locking mechanism 28 can be brought into a locking position or into an unlocking position by means of the actuator 16 .
  • the latch 15 is pivoted about the pivot bearing 18 by the actuator 16 .
  • the locking cam 17 is aligned with respect to the position of the bolt 15 in such a way that it interacts with the bolt 15, the bolt 15 forming a stop for the locking cam 17 in the locking position of the bolt mechanism 28 and the locking cam 17 or the first door leaf 12a directly and the second door leaf 12b indirectly prevents an opening movement via the drive means 14.
  • the bolt 15 releases the locking cam 17 or the two door leaves 12a, 12b for an opening movement, so that the door leaves 12a, 12b can be moved by the door drive 13.
  • a control device 22 which is connected to the position detection device 27 , is provided for controlling the actuator 16 and the door drive 13 .
  • the control device 22 is preferably integrated into a door drive control, which can also include other control functions. The structure and the mode of operation of the control device 22 are described below with reference to FIG figure 2 described.
  • FIG. 2 shows a block diagram of the control device 22.
  • the control device 22 comprises a comparison device 24, a door zone data memory 26 and an actuator driver 25.1 and a door drive driver 25.2.
  • the position detection unit 27 transmits the current position of the elevator car 11 to the control device 22.
  • the comparison device 24 compares the transmitted position of the elevator car 11 with position limit values of the stop zones, which are stored in the door zone data memory 26 and are made available to the comparison device 24 for the comparison.
  • the position limit values of the stop zones can already be programmed into the door zone data memory 26 at the factory or can also be stored in the door zone data memory 26 only when the elevator installation 10 is installed.
  • the output of the comparison device 24 is connected to an actuator driver 25.1 and a door drive driver 25.2, which each control the actuator 16 and the door drive 13, respectively.
  • figure 3 shows a flow chart of the control device 22. If the comparison device 24 in the comparison of the current position of the elevator car 11 with a stored position limit value of a stop zone agrees or is between two position limit values delimiting the stop zone, a first condition for the release of the locking mechanism 28 is for a door opening Fulfills.
  • a further condition for the release of the locking mechanism 28 is preferably met if the control device 22 has data at its disposal that a stop is planned at the stop assigned to the stop zone. Data on planned stops at a stop are stored in the control device 22 on the basis of stop requests.
  • Stop requests of this kind are generated, for example, via car call buttons at the stops and/or via destination input buttons in the elevator car 11 .
  • the car call buttons and/or destination input buttons are connected to an elevator control.
  • the elevator control plans the journeys of the elevator car 10 on the basis of these stop requests and issues corresponding travel commands to the drive.
  • the data on planned stops are preferably made available to the control device 22 by the elevator control.
  • a further condition for releasing the locking mechanism 28 is also met if the control device 22 has data that the travel speed of the elevator car 11 has reduced to a defined maximum value.
  • Data on the speed of the elevator car 11 can be determined in the position determination unit 27 by deriving the position of the elevator car 11 over time and made available to the control device 22 . In this case, the current travel speed of the elevator car 11 is compared with a defined maximum value stored in the control device 22 .
  • the actuator 16 is controlled by the actuator driver 25.1 in such a way that the bolt 15 is brought into its unlocked position.
  • the cabin door is thus released for an opening movement.
  • the door drive driver 25.2 controls the door drive 13 upon reaching or shortly before reaching the stop in such a way that the door leaves 12a, 12b of the car door are opened by the door drive 13.
  • the actuator driver 25.1 also causes the actuator 16 to bring the bolt 15 back into its locking position if the control device 22 has at least one pending drive command to serve a further stop request and if the door drive driver 25.2 has previously caused the door drive 13 to close the car door shut down.
  • the elevator installation 10 has an unlocking switch.
  • An authorized person can bring the locking mechanism 28 into an unlocked position via the unlocking switch.
  • Predefined safety conditions must be observed so that the locking mechanism 28 can be brought into its unlocked position via the unlocking switch.
  • the elevator system 10 is to be brought into a separate operating mode in which specific functions that are available in a normal operating mode are prohibited.
  • the authorized person can set the elevator installation 10 to an evacuation mode, in which a car journey is prevented and the unlocking switch is activated.
  • the authorized person can free trapped passengers from the elevator car 11 .
  • control device 22 is connected to the unlocking switch and has an input interface at which the authorized person can change the operating mode by entering a command or actuating a switch.
  • the input interface and the unlocking switch can be integrated, for example, in physical proximity to the control device 22 or the elevator control or possibly even in a corresponding housing of the control device 22 or the elevator control.
  • the input interface and that of the unlocking switch can in principle also be provided at other points in the elevator system 10, such as a shaft door frame, a separately provided machine room, which can be accessed by the authorized person without great effort.
  • the elevator system 10 can have an emergency power supply, which supplies at least the control unit 22 and the actuator 16 with energy even in the event of a power failure.
  • the position detection unit 27, the door drive 13 and/or the unlocking switch are also fed by the emergency power supply.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Elevator Door Apparatuses (AREA)
  • Lock And Its Accessories (AREA)

Claims (15)

  1. Système de verrouillage permettant de verrouiller et de déverrouiller une porte de cabine d'une cabine d'ascenseur (11) d'une installation d'ascenseur (10), la cabine d'ascenseur (11) pouvant être déplacée dans ladite installation d'ascenseur (10) sur un trajet d'ascenseur comportant des points d'arrêt et des zones de point d'arrêt associées, comprenant
    - un mécanisme de verrouillage (28) pouvant être amené dans une position de verrouillage et une position de déverrouillage, la porte de cabine étant bloquée dans sa position de fermeture lorsque le mécanisme de verrouillage (28) est dans la position de verrouillage et pouvant être ouverte lorsque le mécanisme de verrouillage (28) est dans la position de déverrouillage,
    - un actionneur (16) qui permet d'amener le mécanisme de verrouillage (28) dans sa position de verrouillage ou dans sa position de déverrouillage,
    - un dispositif de commande (22) qui amène l'actionneur (16) à amener le mécanisme de verrouillage (28) dans sa position de déverrouillage si au moins la condition selon laquelle la cabine d'ascenseur (11) se trouve près d'une zone de point d'arrêt est remplie,
    caractérisé en ce que
    l'installation d'ascenseur (10) comprend un dispositif de saisie d'emplacement (27) qui saisit en continu un emplacement de la cabine d'ascenseur (11) par rapport au trajet d'ascenseur et transmet l'emplacement au dispositif de commande (22), et
    le dispositif de commande (22) détecte en contenu si la condition selon laquelle la cabine d'ascenseur (11) se trouve près d'une zone de point d'arrêt est remplie en comparant l'emplacement de la cabine d'ascenseur (11) transmis par le dispositif de saisie d'emplacement (27) à des valeurs limites d'emplacement mémorisées des zones de point d'arrêt.
  2. Système de verrouillage selon la revendication 1,
    caractérisé en ce que
    le même dispositif de saisie d'emplacement (27) est utilisé pour saisir l'emplacement de la cabine d'ascenseur (11) que celui utilisé pour saisir l'emplacement de la cabine d'ascenseur (11) en tant qu'entrée pour une commande de déplacement de la cabine d'ascenseur (11).
  3. Système de verrouillage selon la revendication 1 ou 2,
    caractérisé en ce que les valeurs limites d'emplacement des zones de point d'arrêt peuvent être réglées ou modifiées au moyen d'un dispositif de programmation.
  4. Système de verrouillage selon l'une des revendications 1 à 3,
    caractérisé en ce que
    le dispositif de saisie d'emplacement (27) comprend une bande de mesure (19) comportant un codage et s'étendant sur toute la longueur du trajet d'ascenseur, ainsi qu'un détecteur (20) fixé à la cabine d'ascenseur (11), qui saisit le codage de la bande de mesure (19).
  5. Système de verrouillage selon l'une des revendications 1 à 4,
    caractérisé en ce que
    le codage de la bande de mesure (19) est configuré de telle sorte que des valeurs absolues de l'emplacement de la cabine d'ascenseur (11) peuvent être saisies par le détecteur (20) ou par le dispositif de commande (22).
  6. Système de verrouillage selon l'une des revendications 1 à 5,
    caractérisé en ce que
    le codage de la bande de mesure (19) est configuré comme ce que l'on appelle un codage Manchester, dans lequel l'emplacement absolu du détecteur (20) et donc de la cabine d'ascenseur peut être dérivé de la saisie simultanée de plusieurs marques de code successives comportant respectivement une de deux propriétés détectables différentes.
  7. Système de verrouillage selon l'une des revendications 1 à 6,
    caractérisé en ce que
    la bande de mesure (19) est une bande d'acier qui présente un codage sous la forme de marques de code magnétiques, lesquelles sont formées par des zones de la bande d'acier magnétisées en tant que pôle nord ou pôle sud.
  8. Système de verrouillage selon l'une des revendications 1 à 7,
    caractérisé en ce que
    l'actionneur (16), qui permet d'amener le mécanisme de verrouillage (28) dans sa position de verrouillage ou dans sa position de déverrouillage, comprend un aimant de levage à commande électrique.
  9. Système de verrouillage selon la revendication 8,
    caractérisé en ce que
    l'aimant de levage est conçu comme un aimant de levage bistable.
  10. Système de verrouillage selon l'une des revendications 1 à 9,
    caractérisé en ce que
    le dispositif de commande (22) amène l'actionneur (16) à amener le mécanisme de verrouillage (28) dans sa position de déverrouillage si au moins la condition supplémentaire selon laquelle un arrêt de la cabine d'ascenseur (11) est prévu au point d'arrêt suivant dans la direction du voyage est remplie.
  11. Système de verrouillage selon l'une des revendications 1 à 10,
    caractérisé en ce que
    le dispositif de commande (22) amène l'actionneur (16) à amener le mécanisme de verrouillage (28) dans sa position de déverrouillage si au moins la condition supplémentaire selon laquelle la vitesse de déplacement de la cabine d'ascenseur (11) a diminué jusqu'à une valeur maximale définie est remplie.
  12. Système de verrouillage selon l'une des revendications 1 à 11,
    caractérisé en ce que
    le dispositif de commande (22) amène l'actionneur (16) à amener le mécanisme de verrouillage (28) dans sa position de verrouillage si au moins les conditions selon lesquelles une instruction de déplacement est en attente pour la cabine d'ascenseur (11) et la porte de cabine est fermée sont remplies.
  13. Système de verrouillage selon l'une des revendications 1 à 12,
    caractérisé en ce que
    le dispositif de commande (22) est configuré de telle sorte que, lorsque des conditions de sécurité définies existent, la position de déverrouillage du mécanisme de verrouillage peut être obtenue par manipulation au moyen d'au moins un interrupteur de déverrouillage à partir d'au moins un point de l'installation d'ascenseur (10).
  14. Système de verrouillage selon l'une des revendications 1 à 13,
    caractérisé en ce que
    au moins une alimentation électrique de secours est présente dans l'installation d'ascenseur (10), laquelle, en cas de panne de courant, garantit que le mécanisme de verrouillage (28) peut être amené dans sa position de déverrouillage par la commande d'ascenseur (22) ou au moyen de l'au moins un interrupteur de déverrouillage.
  15. Installation d'ascenseur (10) comportant un système de verrouillage selon les revendications 1 à 14.
EP16738804.0A 2015-07-30 2016-07-14 Systeme de verrouillage de portes de cabine Active EP3328769B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15179193 2015-07-30
PCT/EP2016/066824 WO2017016896A1 (fr) 2015-07-30 2016-07-14 Système de verrouillage pour porte de cabine

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Publication Number Publication Date
EP3328769A1 EP3328769A1 (fr) 2018-06-06
EP3328769B1 true EP3328769B1 (fr) 2022-03-16

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US (1) US11124388B2 (fr)
EP (1) EP3328769B1 (fr)
CN (1) CN107848736B (fr)
AU (1) AU2016299722B2 (fr)
BR (1) BR112017028193B1 (fr)
HK (1) HK1247174A1 (fr)
MY (1) MY187668A (fr)
WO (1) WO2017016896A1 (fr)

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JP7296063B1 (ja) * 2022-09-14 2023-06-22 フジテック株式会社 エレベータのかごドア検出装置

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Also Published As

Publication number Publication date
AU2016299722A1 (en) 2018-02-22
WO2017016896A1 (fr) 2017-02-02
CN107848736A (zh) 2018-03-27
CN107848736B (zh) 2023-05-30
AU2016299722B2 (en) 2019-06-20
BR112017028193B1 (pt) 2023-01-24
US20190002245A1 (en) 2019-01-03
US11124388B2 (en) 2021-09-21
BR112017028193A2 (pt) 2018-08-28
EP3328769A1 (fr) 2018-06-06
HK1247174A1 (zh) 2018-09-21
MY187668A (en) 2021-10-08

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