EP4330174A1 - Système d'ascenseur - Google Patents

Système d'ascenseur

Info

Publication number
EP4330174A1
EP4330174A1 EP22725370.5A EP22725370A EP4330174A1 EP 4330174 A1 EP4330174 A1 EP 4330174A1 EP 22725370 A EP22725370 A EP 22725370A EP 4330174 A1 EP4330174 A1 EP 4330174A1
Authority
EP
European Patent Office
Prior art keywords
door
control unit
shaft
signal
car door
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.)
Withdrawn
Application number
EP22725370.5A
Other languages
German (de)
English (en)
Inventor
Valerio Villa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventio AG
Original Assignee
Inventio AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Publication of EP4330174A1 publication Critical patent/EP4330174A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B66B13/02—Door or gate operation
    • B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors
    • B66B13/125—Arrangements for effecting simultaneous opening or closing of cage and landing doors electrical
    • 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
    • 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

Definitions

  • the invention relates to an elevator system with a shaft door and a shaft door drive and a car door and a car door drive.
  • Elevator systems usually include an elevator car that can be moved in an elevator shaft and has a car door.
  • a car door drive which is provided for opening and closing the car door, is arranged on the elevator car.
  • the elevator shaft also has a plurality of door openings arranged one above the other, at each of which a shaft door is arranged. If the elevator car stops at one of these shaft doors, the car door is usually mechanically coupled to the shaft door by means of a coupling device provided on the car door. After coupling, both the car door and the shaft door can be opened by the car door drive. This means that both the car door and the shaft door are opened/closed passively. This means that both the car door and the shaft door are opened and closed exclusively by means of the car door drive.
  • an elevator system with an elevator car that can be moved in an elevator shaft, a car door arranged on the elevator car, a car door drive for closing and/or opening the car door, at least one shaft door arranged at a door opening of the elevator shaft, a shaft door drive for closing and /or opening of the shaft door, a car door control unit, by which the car door drive can be controlled directly, a shaft door control unit, by which the shaft door drive can be controlled directly.
  • the car door control unit and the shaft door control unit are connected to one another via a communications connection, so that synchronous opening and/or closing of the shaft door and the car door is made possible.
  • the communications technology connection is wireless.
  • the invention is based on the finding that in an elevator system with a separate car door drive and shaft door drive, i.e. in an elevator system in which there is no mechanical coupling between the two doors, it must be ensured that the shaft door and car door are coordinated and, in particular, synchronized , i.e. simultaneously and with the same travel curve, can be opened or closed. This is because the car door leaves and the landing door leaves are essentially opened or closed synchronously. This is particularly relevant for the safety of the elevator system, as opening just one of the doors may result in an unsafe condition.
  • Directly above and below means the direct actuation of the drive by the corresponding control unit.
  • Directly means that the electrical machine is supplied with energy for driving the machine exclusively by the corresponding control unit. This means that the rotation of the corresponding machine is influenced exclusively by the corresponding control unit, ie in particular it is started, stopped, slowed down and accelerated.
  • the control unit for controlling the corresponding drive contains a type of enable signal from another control unit. It also does not rule out the corresponding control unit controlling the corresponding drive in coordination with another control unit.
  • a communications connection is, before and after, a connection over which data can be transmitted in the form of commands, for example in the form of binary numbers.
  • Synchronous thus includes the simultaneous starting of the opening as well as the synchronous, ie similar movement of the door leaves of the two doors during the opening process, whereby the end position is reached simultaneously.
  • the elevator system described above and below closes an asynchronous or even individual opening or closing of the doors or one of the doors in a different from normal operation operation, such as a maintenance operation, not off.
  • the shaft door control unit and/or car door control unit are designed in such a way that, after receiving an opening signal generated by the elevator system, they simultaneously control the shaft door or the car door.
  • the cabin door drive and the shaft door drive can be operated for the opening process or the closing process at least in such a way that the shaft door and the car door open or close synchronously.
  • the two independent door control units that is to say the car door control unit and the shaft door control unit, to allow the doors to be opened or closed in a coordinated manner after receiving an opening signal.
  • the opening signal is, before and after, a signal which is generated by the elevator system and which can be equated with a command to open or close the doors.
  • the form of this signal is therefore irrelevant as long as it shows that the elevator system is in a state in which it would like to open the car door and shaft door.
  • This opening signal can be the signal which moves the corresponding door control units to drive the corresponding drive.
  • the opening signal can also be a signal which is detected in the corresponding door control units and then, for example after processing other signals, for example after checking the status of the door or checking the currently prevailing time by the corresponding door control unit, into a control signal for the corresponding corresponding drive is converted.
  • the opening signal is generated by the elevator system, ie by one of the components of the elevator system.
  • the shaft door drive and the cabin door drive each comprise a toothed belt for transmitting the torque of the drive to the shaft door or the cabin door.
  • the shaft door or the car door drive are designed in such a way that they both drive the corresponding door at a defined and essentially identical speed.
  • a drive designed in this way or drives designed in this way makes it possible to synchronize the opening or closing movement of the car door or shaft door in a simple manner.
  • drives designed in this way it is essentially only necessary to ensure that the start of driving the doors is started simultaneously both in the shaft door control unit and in the car door control unit.
  • the essentially identically designed drives operating at essentially the same drive speed open the respective door independently and without feedback about the other door movement, and the design of the drives nevertheless enables simultaneous movement of the door leaves. This is made easier in particular by the fact that the torque of the respective drives is transmitted to the corresponding door leaves via a toothed belt.
  • the shaft door control unit is designed for direct/indirect transmission of the opening signal to the car door control unit.
  • the car door control unit is designed to send the opening signal directly/indirectly to the shaft door control unit.
  • the shaft door control unit can be designed as a master.
  • the shaft door control unit can be designed to send an opening signal to the car door control unit and to process the opening signal internally, i.e. in the shaft door control unit, in such a way that the opening signal leads to a simultaneous start of the opening or closing movement of the car door control unit and the shaft door control unit heit leads.
  • both control units can have an internal clock.
  • the shaft door control unit can send both the car door control unit and itself an opening command with a start time (time specification).
  • the start time can be selected, for example, so that there is enough time for the car door control unit to receive and process this opening signal.
  • the point in time should be so far in the future that the car door control unit can not only receive the opening command, but also has sufficient time to return a termination command to the shaft door control unit.
  • the car door controller is the master educated.
  • the elevator system also has an elevator control unit, which is attached in particular to the elevator car.
  • the communications connection between the shaft door control unit and the car door control unit is formed by two partial connections.
  • the first sub-connection is a wireless connection between the landing door control unit and the elevator control unit.
  • the second partial connection is a connection, preferably designed as a wireless connection, between the car door control unit and the elevator control unit.
  • the master function can be implemented in the separate elevator control unit.
  • the correspondingly designed connection between the local shaft door control unit and the local car door control unit to the elevator control unit makes it possible for the opening signal to be sent from the higher-level control unit to the two local control units.
  • a method can thus be implemented, for example, in which the local control units, that is to say the car door control unit and the shaft door control unit, determine a condition in which the respective doors can be opened safely.
  • the local control units communicate this detected condition to the elevator control unit.
  • the elevator control unit can send the opening signal simultaneously, i.e. in such a way to the two local control units that the shaft door and car door are opened or closed simultaneously.
  • the car door control unit and the shaft door control unit that is to say the local control units
  • the elevator system comprises Elevator system further arranged on the shaft door shaft door sensor, which is directly connected to the shaft door control unit. Furthermore, the elevator installation has a car door signal transmitter arranged on the car door.
  • the shaft door sensor is arranged on the shaft door on the one hand and the car door signal generator is arranged on the car door on the other hand in such a way that a car door signal from the car door signal generator can be received by the shaft door sensor when the car door is in a door opening zone of the shaft door.
  • the elevator system also has a car door sensor which is arranged on the car door and which is directly connected to the car door control unit.
  • the system also includes a landing door signal generator arranged on the landing door.
  • the car door sensor is arranged on the car door on the one hand and the shaft door signal transmitter on the shaft door on the other hand in such a way that a shaft door signal from the shaft door signal transmitter can be received by the cabin door sensor when the car door is in a door opening zone of the shaft door.
  • the elevator installation is designed in such a way that the opening signal can be generated by the car door sensor or the shaft door sensor after the shaft door signal and the car door signal of the car door signal transmitter have been received.
  • both the shaft door control unit and the car door control unit have a signal transmitter-sensor pair functionally assigned to this control unit (in the case of the shaft door, a shaft door sensor and a car door signal transmitter, and in the case of the car door, a car door sensor and a shaft door signal transmitter), through which the presence of the other door in the vicinity of the corresponding control unit can be detected. It is thus made possible that the generation of the opening signal can be linked to the conditions of the presence of both a car door signal and a shaft door signal. In addition to the simultaneous and synchronous opening or closing of the car door and landing door, this also ensures safe or accident-preventing opening or closing of the two doors. This makes it possible to further increase the security of opening or closing the doors.
  • the elevator system is designed in such a way that the opening signal can be generated by the elevator control unit as soon as the receipt of the shaft door signal by the car door sensor and/or the reception of the car door signal by the shaft door sensor is detected by the elevator control unit.
  • the elevator control unit is designed to then transmit the opening signal to the car door control unit and to the shaft door control unit in such a way that the car door and the shaft door can be opened or closed simultaneously.
  • the elevator control unit is used as a checking control unit which, before the opening signal is sent, detects the presence of the corresponding signals from the car door sensor and the landing door sensor and thus ensures that the opening signal is only sent when both of these sensors detect the presence of the Determine the door to be detected by the sensor.
  • This makes it impossible in a simple manner for the opening signal to be transmitted to the executing control units, ie the car door control unit and the shaft door control unit, when the elevator installation is in an unsafe state.
  • This further increases the safety of the elevator system. In particular, this allows an opening signal to be sent only if the connection between the shaft door control unit and the elevator control unit and the car door control unit and the elevator control unit is functional.
  • this connection does not have to be ensured by expensive regular testing of the connections themselves, but is ensured by the presence of the higher-level elevator control unit and the condition that this control unit must receive the signals from both local control units. So it is made possible for the connections to be made simply, that is to say, for example, insecurely. This makes it possible to provide a safe yet simple and inexpensive elevator system.
  • the car door signal transmitter and/or the shaft door signal transmitter is designed as a magnetic signal transmitter comprising a magnet, in particular a permanent magnet.
  • a magnet is a simple form of signal generator. If the signal transmitter is designed as a magnet, then the sensor, that is to say the car door sensor and/or the shaft door sensor, is designed as a sensor for detecting a magnetic field.
  • a permanent magnet is a purely mechanical component and therefore does not require any energy supply or the like. The use of a permanent magnet is therefore the simplest form of forming the signal generator. In this way, a signal transmitter and sensor pair can be implemented simply and inexpensively.
  • the elevator installation also includes an absolute position system, by means of which a position signal can be generated.
  • the elevator system in particular the elevator control unit, is designed in such a way that the opening signal can only be generated after the position signal has been verified.
  • the elevator system can be made even safer by querying a position signal before the opening signal is generated.
  • the position signal can be a distance signal, for example, ie a signal which reflects the current position of the elevator car in the elevator shaft.
  • the position signal on the bottom floor can have the smallest value, for example the value 0, and then continuously increase as the elevator car moves up the shaft until the highest value is reached on the last floor.
  • the verification of the position signal can be adjusted, for example, by matching meter information derived from the position signal with the detection of the shaft door signal of a specific shaft door control unit by the car door sensor.
  • the shaft door signal transmitter on the bottom floor can have a weaker magnetic field than the shaft door signal transmitter on the second floor.
  • This data position signal with associated shaft door signal
  • this also includes a braking system for fixing the elevator car in the elevator shaft for a car stop.
  • a locking signal can be generated by means of this braking system.
  • the elevator installation, in particular the elevator controller, is designed in such a way that the opening signal can only be generated after the locking signal has been verified.
  • Querying the locking signal before generating the opening signal makes it possible to further increase the security of the opening or closing of the doors.
  • the shaft door drive and the car door drive preferably each comprise an encoder.
  • the shaft door control unit and the car door control unit, and preferably the elevator control unit, are designed in such a way that they form a closed-loop control for synchronous opening or closing of the shaft door and the car door.
  • the encoder which is preferably present both on the car door and on the shaft door
  • the respective control unit can precisely determine the path covered by the respective door. By transmitting this determined path to the respective other control unit, it can then be ensured that the two doors, ie the car door and the shaft door, cover the same path in the same time and the movement of the two doors is therefore synchronous. If one of the doors is already further open or closed at a certain point in time, i.e.
  • This active regulation of the local control units can be designed in a type of master-slave configuration.
  • this regulation can also be implemented via the superordinate elevator control unit.
  • the local control units communicate the position, ie the encoder signal, to the higher-level elevator control unit.
  • the lift control unit evaluates these signals and takes corrective action if necessary.
  • the procedure includes the following steps:
  • Both shaft door control units can then, for example at a point in time modulated by the shaft door control unit onto the car door signal, start opening or closing the respective door by direct activation.
  • the synchronization can be carried out without complex communication between the two control units.
  • the method prior to the opening/closing step, the method further comprises the steps:
  • the step of transmitting the car door signal and/or shaft door signal takes place indirectly, with the car door signal and/or the shaft door signal being transmitted from the car door sensor or shaft door sensor to an elevator control unit, with the up train control unit, an opening signal is generated and this is then transmitted to the shaft door control unit and cabin door control unit.
  • Such a method and the method step of verifying the presence of both signals in the elevator control unit can provide additional security. It can thus be ensured that neither of the two local control units, i.e. the car door control unit or the shaft door control unit, after receiving the signal from the other control unit and after detecting the local signal by the corresponding sensor, starts opening the door without the other door also starts to open.
  • the two local control units i.e. the car door control unit or the shaft door control unit
  • the higher-level control unit must in turn send an opening signal back to the local control units.
  • FIG. 2 a schematic representation of the elevator system shown in FIG.
  • the elevator installation 1 shows an elevator installation 1 which is usually arranged inside buildings.
  • the elevator installation 1 comprises an elevator car 5 which can be moved in an elevator shaft 3 which is usually aligned vertically.
  • a car door 7 is arranged on the elevator car 5 .
  • the elevator shaft 3 has a plurality of door openings 9 arranged one above the other in order to allow access to the individual floors of the building.
  • a shaft door 11 is arranged at each of these door openings 9 . If the elevator car 5 or the car door 7 arranged on the elevator car 5 is on one of these shaft doors 11 arranged, the elevator car 5 is accessible from the floor assigned to the shaft door 11 when the car door 7 and the shaft door 11 are open.
  • the car door 7 has a car door drive 8 and a car door signal transmitter 17 .
  • Each of the shaft doors 11 has a shaft door drive 13 in each case.
  • Each of these shaft door drives 13 is assigned a shaft door control unit 19, through which shaft door control unit 19 the shaft door drive 13 assigned to it can be controlled directly.
  • the shaft door 11 assigned to the shaft door 13 can be opened and closed by means of the control of the shaft door drive 13 .
  • a shaft door sensor 15 is arranged on each of the shaft doors 11 in such a way that the car door signal generated by the shaft door signal generator 17 can be received by the shaft door sensor 15 when the elevator car 5 is in the appropriate position in the elevator shaft 3 .
  • the shaft door sensor 15 of each of the shaft doors 11 is operatively connected to the shaft door control unit 19 of the same shaft door 11 .
  • car door signal transmitter 17 causes a car door signal to be generated, which can consequently be received by the shaft door sensor 15 when the elevator car 5 is arranged on the shaft door 11 assigned to the shaft door sensor 15.
  • the shaft door sensor 15 is operatively connected to the shaft door control unit 19, so that the car door signal can be or is being transmitted to the shaft door control unit 19.
  • the elevator installation 1 also includes a car door control unit 14 that is preferably fixed to the elevator car 5 and can include a car door sensor 29 that is arranged on the elevator car 5 or on the car door 7 .
  • a shaft door signal generated by a shaft door signal generator 21 can be received by the car door sensor 29 .
  • Each of these shaft door signal generators 21 generates a shaft door signal that is different from the other shaft door signal generators 21 .
  • the elevator car 5 also has an absolute position system 35 which is designed, for example, as a laser position system, and a braking system 37 .
  • FIG. 2 shows a schematic representation of the elevator installation 1 shown in FIG. 1.
  • the shaft door control units 19, the cabin door control unit 14 and the elevator control unit 16 are represented in the schematic representation.
  • the car door control unit 14 and the elevator control unit 16 are both attached to the elevator car 5 in this exemplary embodiment, with the communication connection 12 between these control units being implemented as a cable connection in this exemplary embodiment.
  • the shaft door control units 19 and the car door control unit 14 are indirectly connected via a communications connection 12, which in this exemplary embodiment includes the cable connection between the car door control unit 14 and the elevator control unit 16, as well as the wireless connection 20 between the elevator control unit 16 and the shaft door control unit 19 .
  • the absolute position system 35 and the braking system 37 for fixing the elevator car 5 are shown, these systems being directly connected to the elevator control unit 14 .
  • the absolute position system 35 generates a position signal at any time or periodically.
  • the position signal includes the information at which point the elevator car 5 is arranged in the elevator shaft 3, that is to say it is currently located.
  • the brake system 37 comprising a parking brake generates a parking signal in the event that the elevator car 5 becomes stuck in the elevator shaft 3 . Accordingly, the parking signal is generated when the parking brake is blocked and consequently the elevator car 5 can no longer be moved in the elevator shaft 3 .
  • a car door signal is generated by the car door sensor 29 after the signal from the shaft door signal generator 21 has been detected.
  • This car door signal is transmitted to the elevator controller 16 via the message connection 12 designed as a cable connection.
  • a shaft door signal is generated by the shaft door sensor 15 after the signal from the car door signal generator 17 has been detected.
  • This shaft door signal is transmitted to the elevator control 16 via the communications connection 12 designed as a wireless connection.
  • the elevator controller 16 evaluates these two signals, as well as the position signal from the absolute positioning system 35 and the
  • the elevator control unit 16 If all the information is correct, the elevator control unit 16 generates an opening signal, which the elevator control unit 16 transmits via the communications connection 12 to the car door control unit 14 and the shaft door control unit 19 in such a way that they simultaneously open the respective door by directly actuating the start the drive accordingly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

La présente invention concerne un système d'ascenseur (1) comprenant une cabine d'ascenseur (5) qui est mobile dans une gaine d'ascenseur (3), une porte de cabine (7) disposée sur la cabine d'ascenseur (5), un entraînement de porte de cabine (8) pour fermer et/ou ouvrir la porte de cabine (7), au moins une porte de gaine (11) disposée sur une ouverture de porte (9) de la gaine d'ascenseur (3), un entraînement de porte de gaine (13) pour fermer et/ou ouvrir la porte de gaine (11), une unité de commande de porte de cabine (14), laquelle unité de commande de porte de cabine (14) peut commander directement l'entraînement de porte de cabine (8), une unité de commande de porte de gaine (19), ladite unité de commande de porte de gaine (19) peut commander directement l'entraînement de porte de gaine (13), l'unité de commande de porte de cabine (14) et l'unité de commande de porte de gaine (19) étant raccordées les unes aux autres, de préférence sans fil, par l'intermédiaire d'un raccordement de communication (12), ce qui permet d'ouvrir et/ou de fermer de manière synchrone la porte de gaine (11) et la porte de cabine (7).
EP22725370.5A 2021-04-30 2022-04-20 Système d'ascenseur Withdrawn EP4330174A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21171578 2021-04-30
PCT/EP2022/060351 WO2022228959A1 (fr) 2021-04-30 2022-04-20 Système d'ascenseur

Publications (1)

Publication Number Publication Date
EP4330174A1 true EP4330174A1 (fr) 2024-03-06

Family

ID=75746489

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22725370.5A Withdrawn EP4330174A1 (fr) 2021-04-30 2022-04-20 Système d'ascenseur

Country Status (4)

Country Link
US (1) US20240199380A1 (fr)
EP (1) EP4330174A1 (fr)
CN (1) CN117355474A (fr)
WO (1) WO2022228959A1 (fr)

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